Experinced opinions on poly replacement

A general, non-powerplant specific, discussion on airboat technology, ie., hulls, rigging, polymer, etc..
undicided
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Experinced opinions on poly replacement

Postby undicided » Mon Jan 09, 2017 6:54 pm

I have to change the poly on my alumitech. Existing poly is screwed off with a few nuts where needed. Question is, do those of you that change out poly weld the old holes and drill new or reuse existing holes maybe installing a larger diameter screw.

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pontoon outlaw
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Re: Experinced opinions on poly replacement

Postby pontoon outlaw » Mon Jan 09, 2017 7:55 pm

:cheers: did mine twice and have used same holes both times, of course some were stripped out then I put a nut on it... of course everybody said it wouldn't work ha ha I run the Hill like a raped ape..

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Re: Experinced opinions on poly replacement

Postby Lwells » Mon Jan 09, 2017 7:58 pm

I wonder why no one uses aircraft rivets?

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Re: Experinced opinions on poly replacement

Postby bkmail » Tue Jan 10, 2017 12:48 am

Fill in the old holes first.
Straighten out the hull
Weld up anything needing attention
Lay on new poly and start securing
Bk
18' Alumitech, 502 BBC, 4 blade Master Blaster, Skip built

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Re: Experinced opinions on poly replacement

Postby barhopper » Tue Jan 10, 2017 6:37 pm

If you elect to fill the holes make sure you chase them first. I've seen some welds pop out of non cleaned holes. I personally use the existing holes with brass nylocks and washers. It does take two people to do it.
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techelp3215436655
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Re: Experinced opinions on poly replacement

Postby techelp3215436655 » Tue Jan 10, 2017 9:24 pm

I wrote an article on installing polymer correctly you could call air boating magazine for the article or 321-543-6655 airboatdave@gmail.com

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Re: Experinced opinions on poly replacement

Postby AirRanger » Tue Jan 10, 2017 11:27 pm

pontoon outlaw wrote::cheers: did mine twice and have used same holes both times, of course some were stripped out then I put a nut on it... of course everybody said it wouldn't work ha ha I run the Hill like a raped ape..

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bkmail
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Re: Experinced opinions on poly replacement

Postby bkmail » Wed Jan 11, 2017 3:01 am

Don't forget to taper the edges on the poly.
Bk
18' Alumitech, 502 BBC, 4 blade Master Blaster, Skip built

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fhp6
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Re: Experinced opinions on poly replacement

Postby fhp6 » Wed Jan 11, 2017 9:35 am

Out of curiosity, what tool or tools work best to taper the poly once installed?
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undicided
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Re: Experinced opinions on poly replacement

Postby undicided » Wed Jan 11, 2017 12:38 pm

Thanks for the input. Looks like ill be cleaning, welding, drilling, countersinking and drinking beer in a couple weeks (its an unspoken rule that beer must be drank while working on Airboats). Thanks for the input.

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Re: Experinced opinions on poly replacement

Postby swamper2 » Fri Jan 13, 2017 6:57 am

fhp6 wrote:Out of curiosity, what tool or tools work best to taper the poly once installed?

electric hand held plane works best for me
16ft alumitech/406sbc/2.38w/3-80in.R's

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fhp6
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Re: Experinced opinions on poly replacement

Postby fhp6 » Fri Jan 13, 2017 9:09 am

Thank you!
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Re: Experinced opinions on poly replacement

Postby nebraskaairboater » Fri Jan 13, 2017 9:24 am

When I replaced the poly on my aluminum hull I reused the existing holes with no problems. I did use nylock nuts and washers though.
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Re: Experinced opinions on poly replacement

Postby bkmail » Fri Jan 13, 2017 12:22 pm

swamper2 wrote:
fhp6 wrote:Out of curiosity, what tool or tools work best to taper the poly once installed?

electric hand held plane works best for me


Exactly.
Or cut it with a circular saw set at an angle.
Bk
18' Alumitech, 502 BBC, 4 blade Master Blaster, Skip built


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