Standup Zone Forum

The Foil Zone => Wingsurfing, Windfoiling, Wingfoiling, Wing SUP => Topic started by: burchas on July 26, 2022, 04:57:52 PM

Title: Cedrus Aluminum Mast
Post by: burchas on July 26, 2022, 04:57:52 PM
Project Cedrus just came out with their Engineered Aluminum mast:

https://projectcedrus.com/cedrus-development/engineered-aluminum/
https://projectcedrus.com/product/aluminum-mast/

Same stiffness standards and characteristics of their Carbon mast with just 25% added
weight for 25% of the price of the Carbon mast according to the creator.

$230 for a high end light stiff aluminum mast seem like a great deal, especially if you already own
some of the adapters. only 2 Weeks lead time, though you might find the size you need on one of the
retailers he's going to offer it through (MacKite I think).

I was contemplating adding a 96" mast for the big days. Based on my experience with the Carbon Cedrus
and the NoLimitz, I'm leaning towards the Aluminum Cedrus.

These light masts in combination with the small light foils and the small light boards are a dangerous combination
in high winds where the whole setup becomes a flying Machete. Had two close calls with no serious injuries or
damage to equipment but it got me thinking that a little less weight and float might have been a better choice for these days.

Any thoughts?
Title: Re: Cedrus Aluminum Mast
Post by: Vancouver_foiler on July 26, 2022, 06:16:48 PM
Agreed 100%.
Title: Re: Cedrus Aluminum Mast
Post by: StellaBlu on July 26, 2022, 07:28:04 PM
Iíve got a Cedrus as my main mast. My thinking is that the drag is sometimes a drag, but the stiffness is unsurpassed (often outweighing the drag) and Iím also pretty invested in the system. As such, Iím considering a short Alu mast for the infrequent situations where depth is an issue. Simplicity is important to me and the blog section of the website mentions that the mast isnít sealed or coated. That sounds a little less simple and gives me some pause. Anybody have more intel on what this means and how to deal with it? I want Cedrus to succeed but a mast filling with water seems a bit half baked. 

Also - is it the same profile as the carbon masts?  Unless I missed it Iím surprised there is no mention.
Title: Re: Cedrus Aluminum Mast
Post by: Hdip on July 26, 2022, 07:46:09 PM
Yes it's the same profile and uses all the same adapters. It will fill with water and drain, as it has open space on the interior. He's trying to write a blog about how to seal the hollow space yourself.
Title: Re: Cedrus Aluminum Mast
Post by: burchas on July 26, 2022, 08:16:03 PM
I previously owned the Slingshot Phantasm 72 Alu mast. I don't remember having issues with the mast
Though I suspect it was unsealed (water was always draining after a session).

What's the downside of the mast filling in with water? I believe added weight might be a benefit for this use case.
Title: Re: Cedrus Aluminum Mast
Post by: Velasco on July 27, 2022, 02:06:07 AM
If the mast is open, wouldn't the water level inside the mast just sit at the level of the water surface?  So added water weight really isn't a factor (unless you are jumping a lot and the "opening" doesn't allow the water to drain instantly).
Title: Re: Cedrus Aluminum Mast
Post by: jondrums on July 27, 2022, 11:56:45 AM
I was super disappointed to hear that it isn't sealed.  but not to hard to do it myself (for me).  I think it will ultimately limit the market potential until that's solved though.  There are lots of aluminum masts on the market that are sealed with some type of dispensed cured adhesive product.  I successfully sealed up my Takuma aluminum mast after cutting it down with hot glue. 

The $230 price point is awesome.  Finally a new piece of kit that hasn't escalated the game to charge the most!

I am strongly considering grabbing a few lengths just to have those length options for special cases.  Also a great way to try out a different length for a while.
Title: Re: Cedrus Aluminum Mast
Post by: Thatspec on July 27, 2022, 10:28:03 PM
The two most important bits of information seem to be missing from the manufacturers website;
1. How thick is it?
2. What does it weigh?
Title: Re: Cedrus Aluminum Mast
Post by: Hdip on July 27, 2022, 10:48:30 PM
19mm. Itís exactly the same as the current carbon version. Itís 25% heavier.
Title: Re: Cedrus Aluminum Mast
Post by: Fishman on July 28, 2022, 05:25:28 AM
Looks like good option to me.

Some aluminum mast have pop in rubber  plugs. Like a cork in a bottle, you just push them in place. Get a good close tolerance fit and that solves that.

I've used lock tight expansion foam which seems to hold up good too.
Title: Re: Cedrus Aluminum Mast
Post by: SUS4Life on July 28, 2022, 08:33:12 AM
How is the stiffness compare to Axis alu mast? and their new new carbon mast?  Good idea on the rubber plug, I'm sure it won't be that hard to 3d print something out with TPU.
Title: Re: Cedrus Aluminum Mast
Post by: Hdip on July 28, 2022, 08:57:40 AM
Depending who you're talking to. The stiffness is the same as AXIS 19mm aluminum, or greater than the AXIS 19mm aluminum. Also depending who you're talking to the cedrus carbon is stiffer than the AXIS power carbon high modulus and the bend tests AXIS has done are bad tests and don't actually reflect stiffness in the real world.

So stiffness is in the eye of the beholder I guess.

I have no skin in the game as I don't ride AXIS or own a cedrus at the moment.
Title: Re: Cedrus Aluminum Mast
Post by: BayAreaKite on July 28, 2022, 10:56:36 AM
hello all, Kyle with Project Cedrus here. I value forums and would rather spend my time clarifying confusion or answering questions, than my money on marketing or google ads.

Regarding sealing the mast: I tried closed-cell spray foams and they did not last. I have also seen through experience that most aluminum masts will lose there seal, suffer from water ingress, and even worse, the water won't come out! So I made the decision not to seal the aluminum mast, unless I had a year+ to do proper R&D on a seal that lasts, and let clients address water ingress if it is important to them. Also keep in mind, adding $20 in labor/materials to seal would add 40+ to the final price. That's just unfortunately how it works when you get involved in retail. Finally, I couldn't open myself up to warranty issues by promising a sealed mast. I'm just being transparent. Most brands have reasonably high warranty rates, and thanks to a low cost, can afford to replace a bent aluminum mast or two. I can't afford to replace masts, aluminum or carbon, and fortunately I don't have to. I can tell you for certain that it actually costs more to install my stainless helicoils in the aluminum mast, than it would to buy a complete extrusion from China. But I believe in supporting our community with meaningful manufacturing jobs.

As for stiffness, it is not in the eye of the beholder. It is 100% scientific, engineering, objective data. I have tried to explain the proper way to characterize stiffness of a mast, but Adrian at Axis will not listen. And I only use his name because he is open in his latest Blue Planet interview about his feelings of Project Cedrus. Hanging a weight at the end of the mast is not a proper test for mast stiffness. It is a good way to assess the strength/stiffness OF THE MOUNT. The mast is subject to a constant bending moment when being ridden, which if you are not an engineer, you may not understand. Here is just one link if you want to dabble in structural engineering: https://www.constructupdate.com/what-is-shear-force-and-bending-moment-diagram/ (https://www.constructupdate.com/what-is-shear-force-and-bending-moment-diagram/) The cantilever test that Axis does puts a maximum moment at the mount, with a decreasing moment throughout the length of the mast. It will give you inaccurate direction regarding the actual stiffness of the mast. It's also the main reason so many brands taper masts, because they don't think it impacts stiffness. But it does. Properly testing is not complicated and does not require fancy equipment. I showed Devon at Wake Thief how to properly test bending stiffness of a mast here: https://www.youtube.com/watch?v=auJ2WlxNMfA  (https://www.youtube.com/watch?v=auJ2WlxNMfA) We didn't address torsion at this time, but in other videos, he has.

I can see how this would easily result in confusion and differing opinions on stiffness. If Axis is using a different test method, they will have different results. Anyone who's ridden a NoLimitz mast has told me it's not as stiff as Cedrus. Is it thinner? yes. Is it lighter? yes. But it is not stiffer or stronger, partly because they too test incorrectly, as evidenced by their own website. I started this project in large part because I was fed up with the marketing in sports equipment, when brands make false claims, especially related to Cedrus, it boils my blood. I am setting up a proper testing procedure and plan to be a guest on Blue Planet to continue showing the world how to design and build a stiff mast as I have on my blog since 2018...

Thank you, Kyle @ Project Cedrus with lots of skin in the game ;D
Title: Re: Cedrus Aluminum Mast
Post by: Hdip on July 28, 2022, 11:42:53 AM
As someone who watches to the end of very blue planet episode, I'm excited to see your episode! Thanks Kyle.
Title: Re: Cedrus Aluminum Mast
Post by: SUS4Life on July 28, 2022, 01:33:42 PM
Thanks Kyle, there should be a mast stiffness test standard.  I too hate companies tries to manipulate testing procedures to create favorable result for their products. Looking forward to your interview with Robert.
Title: Re: Cedrus Aluminum Mast
Post by: headmount on July 28, 2022, 04:12:35 PM
hello all, Kyle with Project Cedrus here. I value forums and would rather spend my time clarifying confusion or answering questions, than my money on marketing or google ads.

Regarding sealing the mast: I tried closed-cell spray foams and they did not last. I have also seen through experience that most aluminum masts will lose there seal, suffer from water ingress, and even worse, the water won't come out! So I made the decision not to seal the aluminum mast, unless I had a year+ to do proper R&D on a seal that lasts, and let clients address water ingress if it is important to them. Also keep in mind, adding $20 in labor/materials to seal would add 40+ to the final price. That's just unfortunately how it works when you get involved in retail. Finally, I couldn't open myself up to warranty issues by promising a sealed mast. I'm just being transparent. Most brands have reasonably high warranty rates, and thanks to a low cost, can afford to replace a bent aluminum mast or two. I can't afford to replace masts, aluminum or carbon, and fortunately I don't have to. I can tell you for certain that it actually costs more to install my stainless helicoils in the aluminum mast, than it would to buy a complete extrusion from China. But I believe in supporting our community with meaningful manufacturing jobs.

As for stiffness, it is not in the eye of the beholder. It is 100% scientific, engineering, objective data. I have tried to explain the proper way to characterize stiffness of a mast, but Adrian at Axis will not listen. And I only use his name because he is open in his latest Blue Planet interview about his feelings of Project Cedrus. Hanging a weight at the end of the mast is not a proper test for mast stiffness. It is a good way to assess the strength/stiffness OF THE MOUNT. The mast is subject to a constant bending moment when being ridden, which if you are not an engineer, you may not understand. Here is just one link if you want to dabble in structural engineering: https://www.constructupdate.com/what-is-shear-force-and-bending-moment-diagram/ (https://www.constructupdate.com/what-is-shear-force-and-bending-moment-diagram/) The cantilever test that Axis does puts a maximum moment at the mount, with a decreasing moment throughout the length of the mast. It will give you inaccurate direction regarding the actual stiffness of the mast. It's also the main reason so many brands taper masts, because they don't think it impacts stiffness. But it does. Properly testing is not complicated and does not require fancy equipment. I showed Devon at Wake Thief how to properly test bending stiffness of a mast here: https://www.youtube.com/watch?v=auJ2WlxNMfA  (https://www.youtube.com/watch?v=auJ2WlxNMfA) We didn't address torsion at this time, but in other videos, he has.

I can see how this would easily result in confusion and differing opinions on stiffness. If Axis is using a different test method, they will have different results. Anyone who's ridden a NoLimitz mast has told me it's not as stiff as Cedrus. Is it thinner? yes. Is it lighter? yes. But it is not stiffer or stronger, partly because they too test incorrectly, as evidenced by their own website. I started this project in large part because I was fed up with the marketing in sports equipment, when brands make false claims, especially related to Cedrus, it boils my blood. I am setting up a proper testing procedure and plan to be a guest on Blue Planet to continue showing the world how to design and build a stiff mast as I have on my blog since 2018...

Thank you, Kyle @ Project Cedrus with lots of skin in the game ;D
Excuse me Kyle but I watched Devon's video a few times looking for a conclusion from him that his aluminum mast was not as stiff as yours and that there was a performance disparity.  But I failed to find it.  Did I miss something?  Devon's conclusion seemed to say he could tell no difference in performance.  Did Devon's test qualify in the way you would do it?  I do like the soft LE & TE.  He did too.
Title: Re: Cedrus Aluminum Mast
Post by: surfcowboy on July 28, 2022, 07:31:12 PM
HM, he's talking about the test method. When that video was done the Cedrus aluminum wasn't out yet.
Title: Re: Cedrus Aluminum Mast
Post by: Dwight (DW) on July 29, 2022, 05:37:01 AM
I have tested masts with prototype front wings so massive, they never went to production. Tested with 19mm thick aluminum masts versus the stiffest possible tapered carbon mast prototypes.

These massive front wings truly expose the difference in rider feel between a mast flexing lower versus higher.

So rider feel is number one to me, after testing at the extremes.
Title: Re: Cedrus Aluminum Mast
Post by: BayAreaKite on July 29, 2022, 05:56:30 AM
Thanks @SUS4Life. Asking for a standard test is a lot. I'm just asking for basic proper engineering, and no false marketing. It's not just the foil world. I'm sure many of us are mountain bikers, skiers, etc. How many people do you see walk into a ski shop and pull a ski off the rack and flex it between their hands and feet ;D Another very subjective test. I did notice when I upgraded my MTB to carbon, I immediately felt the stiffness difference. And it was the exact same model bike, just different frame materials. A bit more complicated to measure stiffness in MTB frames, especially full suspension, but it's just as important.

@headmount that video was shared to show a more representative testing loadcase for a mast. Pushing on the wingtips will induce a constant bending moment in the mast, and allow you to compare the true bending stiffness of the masts. Assuming the wings and mast length are the same of course. When you really get on the rail of your board and drive hard upwind, or roll your foil wings, this is the type of loading you are putting in the mast. Hanging a weight on the end and measuring deflection/strength is really good if you want to see how strong your mast/mount is when someone lands a trick improperly. It's a good "abuse load" test. That's about it.
Title: Re: Cedrus Aluminum Mast
Post by: clay on July 29, 2022, 12:13:35 PM
Affordable interchangeable durable masts, wonderful and very good for foilers to have this option.

So are the adapters connected to the mast by butt joint?  Or is there some male/female connection going on in addition to the bolts?  How deep are the threads?  Love to hear Kyle's design thoughts on this.

One of the things I love about the Axis doodad and the F-one titan foot is that a loose bolt isn't a big deal, and bolts never come loose.  With the slingshot aluminum mast to fuse a bolt would occasionally come loose and be a session ender.
Title: Re: Cedrus Aluminum Mast
Post by: jondrums on July 29, 2022, 12:17:11 PM
Clay, in my experience the Cedrus mast, adapter and connection system is very reliable (I've been using the carbon mast, not the aluminum, but I think its the same).  I credit that to the use of M8 fasteners instead of M6 used on a number of other systems.  The Axis system has been rock solid too (M8).
Title: Re: Cedrus Aluminum Mast
Post by: burchas on July 29, 2022, 05:29:22 PM
Been using the Cedrus carbon for a while. Axis, GoFoil, SlingShot, F-One.
No issues with any of the systems. TefGel from the get go.
Title: Re: Cedrus Aluminum Mast
Post by: Vancouver_foiler on July 29, 2022, 07:35:03 PM
Depending who you're talking to. The stiffness is the same as AXIS 19mm aluminum, or greater than the AXIS 19mm aluminum. Also depending who you're talking to the cedrus carbon is stiffer than the AXIS power carbon high modulus and the bend tests AXIS has done are bad tests and don't actually reflect stiffness in the real world.

So stiffness is in the eye of the beholder I guess.

I have no skin in the game as I don't ride AXIS or own a cedrus at the moment.

Joe-Stiffness is most certainly not in the eye of the beholder lol. It's a scientific measurement.
Depending on where and how it is measured give better real world values(torque, medial, lateral Forces, etc)
Having been a long time Axis guy, the carbon mast is very close to the same stiffness, but has a much more lively spring after its been torqued.
Title: Re: Cedrus Aluminum Mast
Post by: Vancouver_foiler on July 29, 2022, 07:40:28 PM
hello all, Kyle with Project Cedrus here. I value forums and would rather spend my time clarifying confusion or answering questions, than my money on marketing or google ads.

Regarding sealing the mast: I tried closed-cell spray foams and they did not last. I have also seen through experience that most aluminum masts will lose there seal, suffer from water ingress, and even worse, the water won't come out! So I made the decision not to seal the aluminum mast, unless I had a year+ to do proper R&D on a seal that lasts, and let clients address water ingress if it is important to them. Also keep in mind, adding $20 in labor/materials to seal would add 40+ to the final price. That's just unfortunately how it works when you get involved in retail. Finally, I couldn't open myself up to warranty issues by promising a sealed mast. I'm just being transparent. Most brands have reasonably high warranty rates, and thanks to a low cost, can afford to replace a bent aluminum mast or two. I can't afford to replace masts, aluminum or carbon, and fortunately I don't have to. I can tell you for certain that it actually costs more to install my stainless helicoils in the aluminum mast, than it would to buy a complete extrusion from China. But I believe in supporting our community with meaningful manufacturing jobs.

As for stiffness, it is not in the eye of the beholder. It is 100% scientific, engineering, objective data. I have tried to explain the proper way to characterize stiffness of a mast, but Adrian at Axis will not listen. And I only use his name because he is open in his latest Blue Planet interview about his feelings of Project Cedrus. Hanging a weight at the end of the mast is not a proper test for mast stiffness. It is a good way to assess the strength/stiffness OF THE MOUNT. The mast is subject to a constant bending moment when being ridden, which if you are not an engineer, you may not understand. Here is just one link if you want to dabble in structural engineering: https://www.constructupdate.com/what-is-shear-force-and-bending-moment-diagram/ (https://www.constructupdate.com/what-is-shear-force-and-bending-moment-diagram/) The cantilever test that Axis does puts a maximum moment at the mount, with a decreasing moment throughout the length of the mast. It will give you inaccurate direction regarding the actual stiffness of the mast. It's also the main reason so many brands taper masts, because they don't think it impacts stiffness. But it does. Properly testing is not complicated and does not require fancy equipment. I showed Devon at Wake Thief how to properly test bending stiffness of a mast here: https://www.youtube.com/watch?v=auJ2WlxNMfA  (https://www.youtube.com/watch?v=auJ2WlxNMfA) We didn't address torsion at this time, but in other videos, he has.

I can see how this would easily result in confusion and differing opinions on stiffness. If Axis is using a different test method, they will have different results. Anyone who's ridden a NoLimitz mast has told me it's not as stiff as Cedrus. Is it thinner? yes. Is it lighter? yes. But it is not stiffer or stronger, partly because they too test incorrectly, as evidenced by their own website. I started this project in large part because I was fed up with the marketing in sports equipment, when brands make false claims, especially related to Cedrus, it boils my blood. I am setting up a proper testing procedure and plan to be a guest on Blue Planet to continue showing the world how to design and build a stiff mast as I have on my blog since 2018...

Thank you, Kyle @ Project Cedrus with lots of skin in the game ;D

Good explanation Kyle-I just made  similar comments.

Regarding the open mast-You need to get some replacement rubber inserts made my friend. If you don't it will severely limit your market. Quire frankly, most the new foilers getting into it are clueless.
E3

Title: Re: Cedrus Aluminum Mast
Post by: Hdip on July 29, 2022, 09:52:21 PM
Yeah. Maybe bad choice of words. More important to some than others, that might  be a better choice. I donít exactly like mast flex. But I rode a Takuma aluminum mast just fine.

But I was referring more to AXIS claiming one thing and Kyle claiming another which has been clarified since my post.

]

Joe-Stiffness is most certainly not in the eye of the beholder lol. It's a scientific measurement.
Depending on where and how it is measured give better real world values(torque, medial, lateral Forces, etc)
Having been a long time Axis guy, the carbon mast is very close to the same stiffness, but has a much more lively spring after its been torqued.
Title: Re: Cedrus Aluminum Mast
Post by: headmount on August 02, 2022, 10:20:59 PM
I have tested masts with prototype front wings so massive, they never went to production. Tested with 19mm thick aluminum masts versus the stiffest possible tapered carbon mast prototypes.

These massive front wings truly expose the difference in rider feel between a mast flexing lower versus higher.

So rider feel is number one to me, after testing at the extremes.
Could you tell us the result of your tests? Axis has a new 1310 with a 51" span.  The 'Wake Thief' was saying, 'for the 1310, the tip deflection in roll direction (bending of mast) was about 20% less for high mod carbon vs aluminum, and tip deflection in yaw direction (torsion of mast) was about 30% less for aluminum vs high mod carbon.'  I assume he's referring to the Axis 19m aluminum.   Is the Cedrus alum better than the Axis 19mm alum in (roll) tip deflection?  Sounds like King Solomon's choice.  Deflection or yaw, which is more important?
Title: Re: Cedrus Aluminum Mast
Post by: Thatspec on August 04, 2022, 07:12:05 AM
My takeaway from the Wake Thief video was that the new HM Axis carbon was actually a little stiffer in roll (deflection) than the 19mm aluminum. It was yaw where the aluminum was stiffer. 'Seems' like more stiffness in yaw would be less important than roll but that's just guessing.

I'm just not buying any more foiling gear without demoing first (yeah, even I don't believe me ;)
Title: Re: Cedrus Aluminum Mast
Post by: PonoBill on August 04, 2022, 10:38:30 AM
I suspect beginner/intermediate foilers would feel and dislike yaw before they would roll deflection. The old Axis carbon mast is kind of a good case in point. With even Axis 1000 or 900 wings I could feel a delay between steering rotation and the foil responding. For bigger wings like the reminiscent of a car with loose steering. That's why my old carbon masts don't get used and I ride 19MM aluminum. I have a Cedrus Clydesdale version but I haven't tested it yet. I need to make an adapter for it, I don't like the attachment method of the standard Cedrus adapter.  I'm still not sure what roll deflection would feel like. Given the long wings I prefer I probably have plenty but I'm too numb to feel it.
Title: Re: Cedrus Aluminum Mast
Post by: jondrums on August 04, 2022, 01:22:54 PM
I personally don't think yaw stiffness matters much.  There is nothing on the foil down there that resists yawing, so there isn't much way to even apply a high yaw torque on the mast.  If there was a vertical stabilizer in the system it might matter more.  The yaw stiffness just needs to be high enough for the first mode resonance so it doesn't feel wobbly.  For my money, I want roll stiffness
Title: Re: Cedrus Aluminum Mast
Post by: StellaBlu on August 04, 2022, 01:27:51 PM
We focus a lot on mast stiffness, but not necessarily on foil wing stiffness.  Why is that?  Wouldn't a flexy foil wing have just as much (possibly more) of an impact on the system as the mast?  I'd guess that my Takuma wing flexes more than my Cedrus mast.

Am I wrong?  Does it matter?
Title: Re: Cedrus Aluminum Mast
Post by: PonoBill on August 04, 2022, 03:07:37 PM
I personally don't think yaw stiffness matters much.  There is nothing on the foil down there that resists yawing, so there isn't much way to even apply a high yaw torque on the mast.  If there was a vertical stabilizer in the system it might matter more.  The yaw stiffness just needs to be high enough for the first mode resonance so it doesn't feel wobbly.  For my money, I want roll stiffness

Hmmm, maybe we're turning differently. I put a lot of turning pressure on my back leg, pushing the tail of the board to turn. If I'm turning hard I do it by counter rotation upper body to lower body. Especially true in waves.
Title: Re: Cedrus Aluminum Mast
Post by: Thatspec on August 05, 2022, 07:51:29 AM
We focus a lot on mast stiffness, but not necessarily on foil wing stiffness.  Why is that?  Wouldn't a flexy foil wing have just as much (possibly more) of an impact on the system as the mast?  I'd guess that my Takuma wing flexes more than my Cedrus mast.

Am I wrong?  Does it matter?

The 1099 has some flex in in it being so thin out near the tips. Probably no way to avoid this without making it a $1500 wing. Seems like it's more than half of the flex in the system I'm feeling. The RS 1300 by contrast is like an I-beam by comparison but only 5cm shorter. Thicker foil section out near the tips and wider chord.
Title: Re: Cedrus Aluminum Mast
Post by: Vancouver_foiler on August 19, 2022, 09:16:05 PM
We focus a lot on mast stiffness, but not necessarily on foil wing stiffness.  Why is that?  Wouldn't a flexy foil wing have just as much (possibly more) of an impact on the system as the mast?  I'd guess that my Takuma wing flexes more than my Cedrus mast.

Am I wrong?  Does it matter?

The 1099 has some flex in in it being so thin out near the tips. Probably no way to avoid this without making it a $1500 wing. Seems like it's more than half of the flex in the system I'm feeling. The RS 1300 by contrast is like an I-beam by comparison but only 5cm shorter. Thicker foil section out near the tips and wider chord.

I made a solid carbon 1099.inspired wing to beat that flex business. Same foil section with a few minor tweeks.
Title: Re: Cedrus Aluminum Mast
Post by: surfcowboy on August 20, 2022, 07:28:45 AM
VF, where is that build thread?! That's great work man.
Title: Re: Cedrus Aluminum Mast
Post by: burchas on August 20, 2022, 07:32:56 AM

I made a solid carbon 1099.inspired wing to beat that flex business. Same foil section with a few minor tweeks.

Dude, don't you think this thing deserve a thread on of its own? I would sure like to hear the ride report
flex comparison, weight difference and the process you used to make the foil 8)
Title: Re: Cedrus Aluminum Mast
Post by: Vancouver_foiler on August 20, 2022, 12:53:36 PM

I made a solid carbon 1099.inspired wing to beat that flex business. Same foil section with a few minor tweeks.

Dude, don't you think this thing deserve a thread on of its own? I would sure like to hear the ride report
flex comparison, weight difference and the process you used to make the foil 8)  I guess

Here is another picture. It's median thickness is 14mm-about the same as the 1099
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