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Attaching Slingshot H4 wing to end of switch fuse

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Created by Seajuice Two weeks ago, 25 Oct 2018
Seajuice
NSW, 233 posts
25 Oct 2018 4:27PM
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Hi guys. I am thinking of purchasing a switch fuse so I can move my mast behind the wing.
But wondering how many bolts are needed as I will need the two mast bolts for the mast which leaves two bolt holes free at the wing end which means the wing will only be held on by the one smaller bolt.

Winsup
16 posts
25 Oct 2018 4:21PM
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If you can...
Just drill 2 holes in your fuselage where you want the mast using a 15mm piece of cut off mast as a guide/pattern.
Counter sink the holes for the conehead bolts....connect mast
Use the short piece of mast as the wing spacer... grind to flush rethread holes cut some bolts to fit
Choice easy as bro
Only if you have those skills
The slingshot wings can be loose on the fuse which is a pain but am staying with their products as they were cheap and durable and i can't justify changing up yet.


Winsup
16 posts
25 Oct 2018 4:38PM
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I bought a switch fuse and have converted one which is epoxy d into my H2 to stop the loose fit
Have H4 and sell as is too slow
H5 for kiting
Am experimenting with o-rings on rear wings as suggested here
Waiting for the next leap in development before any more investment
Maybe an infinity can be good

Seajuice
NSW, 233 posts
27 Oct 2018 6:55PM
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Thanks Winsup. I have since found that you can buy forged mast caps that fit inside the mast cut out in the wing. Just a matter of buying a couple of stainless bolts to fit.
Just wondering if the switch fuse is the same length as the original fuselarge? Because if I drill holes the mast & tail may be too close together on the original fuselarge.

Winsup
16 posts
27 Oct 2018 5:48PM
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The fuselage i bought with my h4 with the extra mast holes is 610mm long the same as the other 2 that came with the h5 and h2.
The front hole for rear mast option is 240mm from front to centre then 2nd hole 50mm space to centre at 290mm obviously.
Front hole for mast in wing option 95mm centre from front same as my other fuses.
The one i drilled for my h2 i went for a slightly more forward mast at 220mm centre front hole. Glad i did as when finally tested the extra lift of the wing was remarkable.
I ride a 7'8" deep minion plate mount home conversion 700 mast
At 85kg all is working fine

Seajuice
NSW, 233 posts
27 Oct 2018 8:53PM
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Thanks heaps Winsup. All makes sense. Cheers.

AlexF
135 posts
5 Nov 2018 2:38AM
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I'm also experimenting with the SS fuselages,
First i bought a 2018 FSURF + H4, found it to less lift for my 90 kg, than bought a 2019 FSURF which i use now with a Infinity 84 wing. Had my first real waverides with the later.
For the fuselages:
- The 2018 was a short 61cm "switch" fuse, offering 3 mastpositions: in the wing, behind the wing and, by switching the fuse, far behind the wing (like the long 78cm fuse for windfoiling)
- The 2019 i a "no switch" fuse, offering only 2 positions: in the wing and behind the wing, no switch option,

Now i would like to have the 2018 version with 3 positions to get even more lift with the "far behind position".
But i don't know if this version is still available.
Other option would be using the long 78 cm switch fuse, but i wonder how the 17cm longer fuse would affect the foil behaviour?

Alex

Hover62
15 posts
5 Nov 2018 5:05AM
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I have used the short fuselage and the long fuselage with the Infinity 84 wing. I have only used it when windfoiling. They both work fine for me. The only difference I noticed is that with the long fuselage it is less trim sensitive so it is easier to fly level without going up and down. I had the mast on the fuselage not in the wing. In the wing it had much less lift.



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"Attaching Slingshot H4 wing to end of switch fuse" started by Seajuice