Here you can exchange your experience and datas about your home build boards
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downunder
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Postby downunder » Tue Aug 16, 2022 8:51 am
Yeah,
because its cheap one could cut the strips on a table saw. But the glue and additional work, too hard
For HF, 18mm is about right. Easy and cheap. Thinking to get some with me, but as everyone knows, Australian Border Control would not be fun
Might end on on a TV
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alpaia
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Postby alpaia » Tue Aug 16, 2022 12:56 pm
Will you glass your board ?
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merl
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Postby merl » Mon Aug 29, 2022 2:13 pm
merl wrote: ↑Sat Aug 13, 2022 1:01 pm
Partly inspired by earlier posts of downunder I just did a travel pocket hf board using a bauhaus 800x400 sheet. The idea was to test a low cost minimally reinforced board. It was going to be simple, but in the end I stuck on a bit of high density foam to make a kick-nose which made the build more complicated. 940x400 final size.
The board was vacuum bagged. I made a mess of the cosmetics by running out of the spray paint.
Here is the cost estimate and construction outline
800 x 400 x 18 Paulownia board
EUR 13 (
https://www.bauhaus.info/leimholzplatte ... p/14084242)
0.3x1m 300g/m2 fiberglass for center reinforcement
EUR 2 (cheap hardware store)
1m2 100g/m2 fiberglass for whole board
EUR 5 (easycomposites.eu)
Epoxy resin 200g
EUR 4 (cheap German stuff from Amazon)
Tail pad
EUR 8 (aliexpress/amazon)
Consumables (peelply, breather, release film, bag)
EUR 5
Not counted: scrap of HD foam for nose, rattle-can paint, PU glue
Total: EUR37
Final weight 1.9kg including pad. I.e 100g more than crazyflys 99x44 pure pocket board, but Eur1000 cheaper.
I promise to update the post if it breaks!
Update after first outing: It didn't break
but I did feel like it rode a bit more twitchy than I expected. The only reason for this that I can think of is that the board is flexing a bit. If I support the board on its ends and stand my 93kg on one foot in the middle, I can feel just a little flex. Not much, but a little. Maybe this is enough to make it feel a bit "lively". For comparison my regular boards are 100% carbon on 25mm hd foam, with generous uni carbon in the middle.
So if I made it again, I would add an extra staggered layer of reinforcement in the center to stiffen it up a bit more. I might still do this, but it is a pain to take off the tail pad...
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downunder
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Postby downunder » Wed Aug 31, 2022 11:11 am
alpaia wrote: ↑Tue Aug 16, 2022 12:56 pm
Will you glass your board ?
Yes, doing it now.
need to drill the holes for straps, simple setup.
Can someone advice me the holes spacing? Narrow and wide stance, plus holes distance for foot pads bolts.
Thanks in advance!
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downunder
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Postby downunder » Wed Aug 31, 2022 11:20 am
merl wrote: ↑Mon Aug 29, 2022 2:13 pm
Update after first outing: It didn't break
but I did feel like it rode a bit more twitchy than I expected. The only reason for this that I can think of is that the board is flexing a bit. If I support the board on its ends and stand my 93kg on one foot in the middle, I can feel just a little flex. Not much, but a little. Maybe this is enough to make it feel a bit "lively". For comparison my regular boards are 100% carbon on 25mm hd foam, with generous uni carbon in the middle.
So if I made it again, I would add an extra staggered layer of reinforcement in the center to stiffen it up a bit more. I might still do this, but it is a pain to take off the tail pad...
Interesting.
Maybe just a plain carbon would make it heaps more stiffer.
Or, maybe just a piece of carbon under the mast would make better connection.
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downunder
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Postby downunder » Thu Sep 08, 2022 6:28 pm
Finally.
All done. One planner, orbit. sander, drill and a good eye
Weight 2.4kg. Not bad for 18mm thick wood
150g/m2 glass, both side. Concave cut in as Flyboards Radical, one side only.
Double pads position, for each side, reversible, with offset.
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