advice wing tube issues

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 2nd, 2017, 10:51 am

Phil Clark wrote:Meguiars Mirror Glaze #8.........6-8 coats of it


thanks
Richard "the rocket" Armstrong

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 2nd, 2017, 11:07 am

phil

what's the process on using pva release agent and mirror wax?

please correct me if this incorrect

i plan to wrap tube with HK film and cling film, (already test does not stick well), PVA and 8 layers of wax and use eze kote water based epoxy?

start with a thin 2oz layer let that dry and apply a 4oz layer let that 24hrs and apply a second 4oz layer, in opposite direction

cut the fabric into 2" wide strips, then use a 2 coats of finishing epoxy lets set and sand back a little

only making a 12 " tube
Richard "the rocket" Armstrong

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Phil Clark
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Re: advice wing tube issues

Postby Phil Clark » September 2nd, 2017, 8:04 pm

I wouldn't bother with the cling film as it's next to impossible to apply it completely smooth & wrinkle free......just use the film

6-8 coats of release wax 1st.......leave each to dry 5-10 mins & polish, then repeat.

If you want to use PVA as well......that goes on after the wax (personally I don't, don't like the stuff & very difficult to apply it smoothly over a waxed surface without fisheyes)....but in this application, It's probably worth doing just to be double sure it's not going to stick.

Re:- glass application..........I'd do it all in 1 step.

richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 3rd, 2017, 12:55 am

thanks phil and i hope you have a a good weekend
Richard "the rocket" Armstrong

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 4th, 2017, 5:00 pm

mirror wax, pva on the way

g4 pond sealer arrived for doing wings and fuz for another airframe, need to order some model filler
Richard "the rocket" Armstrong

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 4th, 2017, 6:57 pm

best fg cloth supliers

need to order 25g 50g and 100g cloth in rolls
Richard "the rocket" Armstrong

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John Greenfield
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Re: advice wing tube issues

Postby John Greenfield » September 5th, 2017, 7:03 am

Richard

G4 Pond Sealer is no good at all for laminating fiberglass. Great for finishing models but do not use for laminating cloth as it will not cure properly in thick(ish) layups .

John

richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 5th, 2017, 3:40 pm

John Greenfield wrote:Richard

G4 Pond Sealer is no good at all for laminating fiberglass. Great for finishing models but do not use for laminating cloth as it will not cure properly in thick(ish) layups .

John


john brought the g4 for finish the beaver 1 layer of 25g cloth let it set and the primer and paint but i ave to get it inspected first before i do any more, just been testing different ideas

i am using 2 part epoxy for layering up,

i will be testing deluxe eze kote, as an experiment
Richard "the rocket" Armstrong

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 5th, 2017, 3:48 pm

25g fg cloth arrived

with wax and pva

need to order 2 part epoxy kit but which one? for tube

do i thin it down with epoxy thinners??? this is where my knowledge is sketchy
Richard "the rocket" Armstrong

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 6th, 2017, 7:29 pm

i am stuck on which resin to purchase
advice please

polly resin or epoxy resin for making the tube?
Richard "the rocket" Armstrong

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Phil Clark
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Re: advice wing tube issues

Postby Phil Clark » September 6th, 2017, 8:04 pm

Epoxy........polyester can shrink a little post cure so a socket made with poly resin may become tight over time.

richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 6th, 2017, 10:02 pm

Phil Clark wrote:Epoxy........polyester can shrink a little post cure so a socket made with poly resin may become tight over time.

thanks phill

i will order the 1l west epoxy kit
Richard "the rocket" Armstrong

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 7th, 2017, 8:02 pm

phil another quick ?

when and in what circumstance would you use epoxy thinners?
Richard "the rocket" Armstrong

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richard armstrong
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Re: advice wing tube issues

Postby richard armstrong » September 8th, 2017, 6:13 am

epoxy ordered west 1l 206 slow cure
Richard "the rocket" Armstrong

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paul hughes
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Re: advice wing tube issues

Postby paul hughes » September 8th, 2017, 6:45 am

Richard, After all the advice Phil has given you, why did you not order your supplies from him? He will supply the correct materials for you.

Dave Lowe
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Re: advice wing tube issues

Postby Dave Lowe » September 8th, 2017, 8:48 pm

HEAR HEAR !


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