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Sup trench board??

Created by hilly hilly  9 months ago, 22 May 2025
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hilly
hilly

WA

7979 posts

22 May 2025 5:54pm
Trench boards appear to be only for prone. Any SUP trench boards out there?
Piros
Piros

QLD

7251 posts

23 May 2025 6:17pm
DC can make one but on a 5-2 the trench is 940mm long (can change battery in place) so on a Sup say 7-0 the trench will be super long around 1500mm.
hilly
hilly

WA

7979 posts

24 May 2025 8:31am
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Piros said..
DC can make one but on a 5-2 the trench is 940mm long (can change battery in place) so on a Sup say 7-0 the trench will be super long around 1500mm.


I was wondering why no one has gone that way with SUP foildrive. Has everyone gone to prone foildrive? I see more prone foildrives here than I do SUP.

Does the length of the trench effect it that much? Surf sup about 6 4?
colas
colas

5370 posts

24 May 2025 1:53pm
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hilly said..
I see more prone foildrives here than I do SUP.


It may be that more generally, here I do not see any SUP foilers anymore.
The market size for trench SUP foil boards may be too small for production.
Piros
Piros

QLD

7251 posts

25 May 2025 7:49am
Agree with Colas even the hardcore Sup foilers are now prone foiling after switching to the FD. Sup foilers in the surf is a rare sight these days . Sup foil DW has exploded though. This is Dales Multi foil board 6-7 still works well as a Sup , Ding & prone he could easily add a trench to this .
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Mark _australia
Mark _australia

WA

23526 posts

27 May 2025 12:07pm
So could a WA guy closer to Hilly, who builds foil boards all the time ..
Scotty Mac
Scotty Mac

SA

2060 posts

27 May 2025 2:34pm
hey Hilly, Dale is also doing really cool resin tints so I wouldn't hold back ordering a custom Sup foil trench board if you need one. Very happy with my custom. Finish is great and the strength and weight is good.



warwickl
warwickl

NSW

2357 posts

27 May 2025 4:40pm
Duotone assist won't require a trench it seems.
Scotty Mac
Scotty Mac

SA

2060 posts

27 May 2025 8:35pm
Yer and won't have the power or run time either
hilly
hilly

WA

7979 posts

27 May 2025 8:52pm
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Scotty Mac said..
Yer and won't have the power or run time either


Tossing up flitelab, FoilDrive or similar for a stealth option compared to tow boogie. Sup or prone?? My neck is fecked so paddle assist needed.
airsail
airsail

QLD

1570 posts

28 May 2025 5:30am
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warwickl said..
Duotone assist won't require a trench it seems.


No it won't, but what do you do with the cable if yo want to use your regular board and not one of their swallow tails. Probably have to tape it to the side of the board as I doubt the cable will be long enough to run up over the tail.
Wingman WA
Wingman WA

WA

63 posts

25 Jun 2025 8:52am
Good topic to start hilly, I have been thinking the exact same thing, I still enjoy the stealthy sup style riding with a slow paddle out and would really like to get the volume less under feet. I am not interested in the e foil style of riding that the bigger systems are allowing for.
hilly
hilly

WA

7979 posts

25 Jun 2025 2:36pm
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Wingman WA said..
Good topic to start hilly, I have been thinking the exact same thing, I still enjoy the stealthy sup style riding with a slow paddle out and would really like to get the volume less under feet. I am not interested in the e foil style of riding that the bigger systems are allowing for.


Still open to options. Waiting for flitelab stock
marco
marco

WA

328 posts

4 Nov 2025 12:58pm
Any further update or ideas? I am looking for SUP Foil board for FD Gen2. Most board SUP foil board are too long and narrow .
hilly
hilly

WA

7979 posts

4 Nov 2025 1:09pm
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marco said..
Any further update or ideas? I am looking for SUP Foil board for FD Gen2. Most board SUP foil board are too long and narrow .


Custom only. DC on Goldy is making them or see Mark.


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Mark _australia said..
So could a WA guy closer to Hilly, who builds foil boards all the time ..


Mark have you got a pic of a SUP trench you have made?
JonathanC
JonathanC

VIC

1024 posts

6 Nov 2025 3:48pm
Whacked a carbon tube in my 8'2 sup board. Small very lightweight motor and backpack battery. Gets up super easy with the long board.




Hydrosurf
Hydrosurf

269 posts

7 Nov 2025 6:29am
What happens when you fall off the board, does the battery unplug?
JonathanC
JonathanC

VIC

1024 posts

7 Nov 2025 8:09pm
No there is a regular leash going from board to back pack plastic plate. Leash is just long enough to protect the cable. I have had the cable unplug while I was sorting out leash length, it's all fine, just plug it back together on the water. Connectors have good coating of dielectric grease. I run the leash and the cable inside tubular webbing now to tidy it up and give some protection. I've got both 12S2P batteries and 12S3P so 24 cells and 36 cells. FD Max is 11S3P so 33 cells. I'm running slightly higher voltage than FD
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