Nah, I didn’t feel any difference. It’s all bolted down pretty tight with the M8s, so there’d be minimal movement I reckon.
Cork might work really well.
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Update on the Cedrus Aluminum: now that I’m back home from La Ventana, I took it out at our local lake and immediately noticed a big difference in glide with the Cedrus Aluminum vs the Axis aluminum. I couldn’t really notice that as much on the swell of LV because I’m just too new to foiling, but on the lake without any other variables it was very noteworthy. When gybing, on the lake the glide was amazing and made gybes so much easier and now I’m ready to master the tack where that glide will really come in handy!
-Scott
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Just got my cedrus aluminum mounted up. For those of you counting every mm of mast length these measure 1:1 with the masts that have removable base plates, meaning the 78cm length does not include the base plate. Mast measures in at 78.8 by my tape which makes sense. Worth taking into account that once the adapter is on she’ll be just a hair under 80 board to fuse. Act accordingly!
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I can’t believe that Cedrus doesn’t have a chart published with all of their mast lengths and what they work out to with each adapter that they make. There’s pretty big differences depending on which adapter you’re using.
The main addition is the board plate.
Your foil sit flushed with the mast base/adapter connection, the adapter is your own brand mast-fuse adapter, so it’s similar to what you already have.
We have always had a page dedicated to understanding mast length (how we measure it, how much mount and adapters add). To be consistent with carbon masts, we measure the aluminum the same way: the adapter and plate together add about 4-5cm to the extrusion. Obviously most of that is the adapter, because the plate is less than 1cm. But “adding length” isn’t really true for some adapters. Mini tuttles like Axis, Unifoil, Code, and Lift mostly sit IN the fuselage. Fancy butt joints like Mike’s Lab, Cabrinha, AFS, Duotone sit partiall ON TOP of the fuselage. But in all cases, the adapters are about the same stack height, and use the same attachment hardware. This is why we suggest measuring total length of the mast you want (as opposed to the fuselage). Once you know this number, you simply subtract 4-5cm to get to the closest Cedrus length. A table is not necessary and would be more work for us to manage as adapter designs change and new models are constantly being introduced.
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I think you’re doing great on the info. I could see going either way, calling this welded aluminum mast unit a 78 consistent with the other masts or a 78.7 consistent with its total length. HOLY SMOKES THOUGH I just laid eyes on my buddy’s KT adapter and it’s TALLLLLL. Definitely worth taking into account!
That’s what I was saying. There’s a huge difference between the adapters.
Sure, it doesn’t matter for people who wing and tow but for those of us that surf reef breaks and sandbars on low tides, a couple centimeters is the difference between dry docking and actually catching the wave.
All adapters are within 1cm of each other height wise. The difference is how much goes into the fuse, and how much sits on top. This is why we measure total mast length, it takes this out of the equation and makes it really easy. For example, if your KT mast that you ride right now is 77cm from the board to the end that goes into fuse, you order a Cedrus 72. Simple. Masts will be basically the same length. If you start trying to measure to the top of the fuse it gets more complicated brand to brand, which is why we don’t do this. We’re not saying there’s anything wrong with measuring this way, it’s just not how we do it. And of course, whenever someone messages us through the site we are happy to help clarify further and get more specific if needed.
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Here is my 70 cm Clydesdale with KT adapter. It’s longer than I was hoping and I’m sure glad I opted for the custom 70 instead of the 72.
And if that was a Lift or Code adapter, that mast would finish out at 71 to top of fuse? That’s a 3cm difference, how can he be saying all adapters finish out the same?
Now use the Cedrus Armstrong fuse and that mast would be about 70 cm (or even less, 69.5) since it sits recessed in the mast…same mast but almost 5cm difference based on which adapter you use! That’s a 2" difference.
All I’m saying is make it easy on the customers:
You can’t ride the mast without the baseplate so include it in the measurement, add the usable length of the mast, and the adapter standoff +/- length to top of fuse. You can’t include the tenon in the mast/adapter since its not usable length on the mast. A lot of the adapters look like 1 cm standoff, Code/Lift look like .5 cm, North etc. look like 2cm, KT/AFS ~3 cm+?
What am I missing? This wouldn’t be difficult to provide this information and if anything would be extremely helpful to an uninformed customer.
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Nobody tell him when you line up every different manufacturers 75cm masts next to each other they’re all different lengths.
The numbers mean nothing.
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Very true and good point. Its definitely an industry wide problem.
Thanks! In your example, how would one know to subtract 5 cm?
There is no problem. The only problem is not communicating the measurement technique, and we have a whole page devoted to ours. Every other industry deals with this. Some ski brands measure tip to tail, others just wetted area (on the snow). Bike frames can also get confusing with different angles of top tubes (effective or virtual frame size). Foiling is no different, and there is no right or wrong. Saying the tenon of a mast “isn’t usable” is not accurate. Some fuses mount foils on the bottom of the fuse, so the tenon IS contributing to length. This is precisely why we measure “total assembled mast length” as it’s simple and accurate and easier for customers to understand if they’re trying to match the length of their existing mast and foil setup. That 70 above measures exactly as we told the customer it would: 70+4.5cm puts it right at 74.5. A Code adapter would make the total length 74.5cm as well. The Armstrong Fuselage is not an adapter, it’s a fuselage that connects directly, and therefore would not add length. It’s simple, and I don’t understand why we need to start communicating the distance to the fuselage top because not every fuselage mounts the foil in the same place relative to the Z height of the fuselage. Should we start adding length for anhedral wings? It’s just another point of confusion and largely irrelevant data. Most customers buy multiple adapters with their Cedrus, and understand there will be a +/-1cm of length as a result. So if you are really so set on a specific length then you should probably just stick to an OEM mast and foil. But we’ve sold thousands of masts at this point with the above referenced image and instructions for sizing, without any problems or confusions, as long as the customer actually does the research and contacts us if they have any further questions.
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When I ordered mind, I remember reading through the guidance they provide on calculating your mast length for your conditions. If I recall, it’s pretty clear on the site. 
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Got it- thank you
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Second this. Clear instructions on the website. I didn’t have any issues getting the correct length.
Also pretty rad that they offer custom lengths if you are extra tuned in.
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Any idea how tall exactly?