Perimeter
2 x ( 6,5+ 8x1,8) = 42cm
Take some exact space like 50cm
It sold folded in haft so if I am correct you need to buy 250mm wide
400mm are for larger pack 12-14p
But it depends the way you want to shrink it …
You have to pay attention whether it is the diameter or the width.
So 250mm should be the right Size for 18650 Celles with 8p
Thanks
chould thos work?
edit:
i just measured the with of my battery and it was 160mm wide. My feeling says i need a bit bigger one maybe 300mm?
Yes for 8p , the 250mm wide is good
160 wide + 70 mm height = 230mm 
yes thanks i will order this one
do you think this can work?
thanks
Hard to tell : 48% shrinkage horizontal and 8% vertical
Vertical is wide ?
Not to sure but in the worst case 280mm 8% : too big for 230… so 250mm is more appropriated or ask the seller to make sure
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this one looks promising or?
Yes it should 2:1 …
just ordered it 10€ for shipping 
thanks though.
Amazing build, I have a question if you don’t mind. My build is very similar to yours and I’m wondering if you could tell me what the distance is from the centre of the mast hole to the back of the board if you don’t mind?
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Beautiful work, I love German precision and sophistication. It is treated as Mercedes or Porsche.
Hi, first of all thank you very much for the praise. The distance from the center of the mast to the rear edge of the board is 38cm. Board size 167x69x14cm.
Big help thanks again , I’ve gone with 31cm as my board is 146x62x12, my esc box will be covering half the hole similar to yours. Wish I had a CNC to hand, I’ve made a jig for the router which hopefully will do the trick, really don’t want to have to shape another board 
. The seal on top of the mast clamp, have you made that as my FR mast doesn’t have this also did you use M6 or M8 bolts to fasten to the board?
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I bought the seal from FR. The mast plate is fixed with M8.
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How’s the your remote’s signal through all this carbon? Do you use a maytech V2 remote?
I have my own remote. I use LoRa module with 868MHz. DIY Waterproof remote - #321 by edivory - Electronics (ESC, remote, batteries) - FOIL.zone
The signal just has to go through the hatch. This is 4 layers of carbon. The antenna is outside the electronics box (see photo).
The signal strength is excellent, because the low frequency has better pervasion.
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Hallo Eduard,
das sieht alles super aus.
Melde dich doch mal bei mir. Bin aus Heilbronn
Hi,
We are planning to make one for ourselves. Now, we are wondering about the board, so it would be so nice if you could send us the parameter of the board that you made. Thanks so much.