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DIY Go Foil Pedestal mount

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Created by waterlife Two weeks ago, 5 Oct 2020
waterlife
VIC, 50 posts
5 Oct 2020 4:44PM
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Seems to be out of stock online everywhere, has anybody built one themselves?If so, what did you build it from? Eg balsa core and glass/carbon over the top, with 2x screw inserts for rear stabilizer?

juandesooka
379 posts
6 Oct 2020 2:38AM
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BigWinds in USA seems to have them: bigwinds.com/products/go-foil-pedestal

Though shipping to australia may be prohibitive.

I have been experimenting with building a flat stab, but not with a pedestal, just directly attached to fuselage. Works great for winging, but my first try surfing this weekend, i wasn't really happy with it....going to need some playing around with tuning.

waterlife
VIC, 50 posts
6 Oct 2020 9:17AM
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Has anybody taped another hole on the fuse so that they can just screw a flat rear stabilizer straight on the fuse - without the need for the pedestal?

juandesooka
379 posts
6 Oct 2020 7:12AM
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Select to expand quote
waterlife said..
Has anybody taped another hole on the fuse so that they can just screw a flat rear stabilizer straight on the fuse - without the need for the pedestal?


Putting holes in the $$$$ fuselage scares me. So a variation on that. I have been playing around with making GF wings for a while. I make a socket for the fuselage connection with fibreglass and mold release. Then build it up with more layers of fibreglass and carbon.

For the stab, I did the same socket, but attached the stab flat side down, with one screw hole into the GF fuselage, and then a second hole using a rivnut and 1/4" bolt. Seems to work well, though not as refined as the GF pedestal version. (and no bonus marks for aesthetics, I know)





PrfctChaos
WA, 52 posts
6 Oct 2020 11:23AM
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Made a wooden one for a Gong (Similar to Gofoil fuse mounting style but different dimensions). Sorry for the poorly focussed photo.

CNC machined the wooden part in 2 halves. Clamped the 2 halves over the fuse and poured in Epoxy and microballoon mix for a exact fit. Sealed the wood with a coat of epoxy and job is done.

The stab is just race stab that was lying around.




Mokuleia
48 posts
6 Oct 2020 11:43AM
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I did both DIY mast base and pedestal (Blue Planet) using a rather complex, yet very effective method: CAD design, 3D printing, silicone molding and epoxy/CF composites. I can share some CAD files if you are interested.







waterlife
VIC, 50 posts
7 Oct 2020 9:29AM
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Select to expand quote
juandesooka said..

waterlife said..
Has anybody taped another hole on the fuse so that they can just screw a flat rear stabilizer straight on the fuse - without the need for the pedestal?



Putting holes in the $$$$ fuselage scares me. So a variation on that. I have been playing around with making GF wings for a while. I make a socket for the fuselage connection with fibreglass and mold release. Then build it up with more layers of fibreglass and carbon.

For the stab, I did the same socket, but attached the stab flat side down, with one screw hole into the GF fuselage, and then a second hole using a rivnut and 1/4" bolt. Seems to work well, though not as refined as the GF pedestal version. (and no bonus marks for aesthetics, I know)






This is what I was looking at doing - how many layers of glass/carbon did you need to have sufficient strength? How tight is the fitting on the fuse?

pohaku
NSW, 503 posts
7 Oct 2020 6:24PM
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You can put your name on the wait list for them instead of checking the website, 99% are sold before they land in AUS

RichJam
WA, 36 posts
11 Oct 2020 12:24PM
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Just tap the fuselage. So so easy cheap and awesome. It also allows the stabs to be mounted either side and makes the fuse as short as you desire. I have 4 holes that takes it down to 54cm fuselage length depending on the front wing.




Dommo49
116 posts
11 Oct 2020 4:09PM
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Select to expand quote
RichJam said..
Just tap the fuselage. So so easy cheap and awesome. It also allows the stabs to be mounted either side and makes the fuse as short as you desire. I have 4 holes that takes it down to 54cm fuselage length depending on the front wing.





Do you use any glue or resin to stick the helicoils in place or do they stay in place without?

RichJam
WA, 36 posts
11 Oct 2020 7:43PM
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Helicoil is in a thread. Part of a tap set from repco.

redtx
9 posts
12 Oct 2020 12:10AM
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Select to expand quote
RichJam said..
Just tap the fuselage. So so easy cheap and awesome. It also allows the stabs to be mounted either side and makes the fuse as short as you desire. I have 4 holes that takes it down to 54cm fuselage length depending on the front wing.





Rich, Thanks for sharing this. Did you use the Helicoil? I cannot tell from your pic.
Thank you
-red

RichJam
WA, 36 posts
12 Oct 2020 1:11PM
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Yep I always use a heli coil. Easy to replace if you damage the thread.

Dommo49
116 posts
12 Oct 2020 3:45PM
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RichJam said..
Helicoil is in a thread. Part of a tap set from repco.


Yeah, but i was wondering if you just screw them in place or do you put a glue of some sort in before screwing them in?

drlazone
23 posts
12 Oct 2020 4:44PM
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What size Helicoil?

RichJam
WA, 36 posts
13 Oct 2020 4:30PM
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Select to expand quote
Dommo49 said..

RichJam said..
Helicoil is in a thread. Part of a tap set from repco.



Yeah, but i was wondering if you just screw them in place or do you put a glue of some sort in before screwing them in?


Sorry. No I just whack them in to the tapped thread. Never had a problem.
The kits are a M6 kit from repco. $40.

Dommo49
116 posts
13 Oct 2020 5:06PM
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Select to expand quote
RichJam said..

Dommo49 said..


RichJam said..
Helicoil is in a thread. Part of a tap set from repco.




Yeah, but i was wondering if you just screw them in place or do you put a glue of some sort in before screwing them in?



Sorry. No I just whack them in to the tapped thread. Never had a problem.
The kits are a M6 kit from repco. $40.


Awesome, thanks. Ultra short fuse with GoFoil - this could be fun!!!!!!!!!!!!!!

waterlife
VIC, 50 posts
13 Oct 2020 8:29PM
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Found this earlier today:

temptation of an interchangeable fuse length was too much, so I will be building both a socket and helicoil insert.After a bit of research- $16AUD from 'Sydney Tools'sydneytools.com.au/product/daytona-dm10tr-m6-x-10mm-thread-repair-set?gclid=CjwKCAjw_Y_8BRBiEiwA5MCBJhoStPvC1AV-psA9yKzafZjzWJguT7gfWqdC5LW8EE41GtYLMKShNxoCdgsQAvD_BwE



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"DIY Go Foil Pedestal mount" started by waterlife