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Q Tee 2ch RC sport model with Cox 049 and home brew tank. - Page 2 Cox_ba12





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Q Tee 2ch RC sport model with Cox 049 and home brew tank. - Page 2 Empty

Q Tee 2ch RC sport model with Cox 049 and home brew tank.

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Post  getback Fri Apr 29, 2022 6:57 am

I looked it up cause i didn't know what ethyl alcohol was <><> anyway it says to thin ( Method #2: Thinning Epoxy Resin Using a Solvent
Solvents like denatured alcohol, lacquer thinners and acetone. All of these solvents are easily available and also do a great job in lowering the viscosity. Also, these solvents evaporate quickly and are unlikely to become trapped in your cured epoxy resin. You need to cover that firewall believe me it will get a lot of castor burnt residue in there , Castor Slingers Smile Small Cox Logo
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Post  getback Fri Apr 29, 2022 6:59 am

Oh I wanted to ask how did you make the end caps for your tank?
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Post  Woody Fri Apr 29, 2022 4:03 pm

getback wrote:I looked it up cause i didn't know what ethyl alcohol was <><> anyway it says to thin ( Method #2: Thinning Epoxy Resin Using a Solvent
Solvents like denatured alcohol, lacquer thinners and acetone. All of these solvents are easily available and also do a great job in lowering the viscosity. Also, these solvents evaporate quickly and are unlikely to become trapped in your cured epoxy resin. You need to cover that firewall believe me it will get a lot of castor burnt residue in there , Castor Slingers Smile Small Cox Logo
Thank You.
My firewall has six coats of varnish but it takes days to harden.
I like the idea of using thinned 24 hr epoxy.
With my next attempt I will try thinning it with acetone which I have plenty of.
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Post  Woody Fri Apr 29, 2022 4:12 pm

getback wrote:Oh I wanted to ask how did you make the end caps for your tank?

Ah... this is what I call the sneaky bit.
When I solder small parts together I keep those parts as big or long as possible to solder them and then cut them off afterwards.
The same principle applies to soldering the tank sides.
Just use two pieces of flat tin plate that are well oversize and cover the area of the tank end.
Lay a piece flat on the work bench.
Hold the already soldered tank body upright ie perpendicular and firmly on the plate, apply flux all round and solder it all round.
You then cut off the excess with scissors and file all round until you have a 1mm ledge.
Thats it...ezee peeze.
Hope that explains it okay?
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Post  andrew Fri Apr 29, 2022 4:37 pm

Woody wrote:
I like the idea of using thinned 24 hr epoxy.
With my next attempt I will try thinning it with acetone which I have plenty of.

Lots of folks have thinned epoxy and had good results.

My preference is to apply a light coat of unthinned 30 minute epoxy to plywood and other areas to be fuel proofed, then warm it with a heat gun to thin it out and allow it to soak into the underlying wood. Let it set up, wipe it down with denatured alcohol or acetone to remove the amine blush, sand lightly and apply another coat(s) until the surface is shiney. The heat, to me, seems to let the epoxy infuse the wood to a greater depth than just brushing it on.
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Post  Woody Sat Apr 30, 2022 2:35 am

Thanks for all the tips about fuel proofing.
Very handy and important to know.
Mean while I promised Kim that I would Name my Q Tee after his Cousin Bill.
So one more shot of the plane and then thats it.
Kim....just for you and Bob!!!!
I hope you like it.Q Tee 2ch RC sport model with Cox 049 and home brew tank. - Page 2 Img_2043

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Post  GallopingGhostler Sat Apr 30, 2022 10:30 am

Woody, I like it. The addition of the windscreen on your plane is a quaint throwback to the 1967 movie plane in Flight of the Phoenix starring Ernest Borgnine and James Stewart.



The Phoenix arises again! I Love This Forum!
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Post  rsv1cox Sat Apr 30, 2022 10:36 am

Woody wrote:Thanks for all the tips about fuel proofing.
Very handy and important to know.
Mean while I promised Kim that I would Name my Q Tee after his Cousin Bill.
So one more shot of the plane and then thats it.
Kim....just for you and Bob!!!!
I hope you like it.Q Tee 2ch RC sport model with Cox 049 and home brew tank. - Page 2 Img_2043

Woody

I still love that tank Woody. Such a nice job on everything. Looks like you built in a little down angle on the engine.

Bob
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Post  Kim Sat Apr 30, 2022 2:51 pm

Woody wrote:Thanks for all the tips about fuel proofing.
Very handy and important to know.
Mean while I promised Kim that I would Name my Q Tee after his Cousin Bill.
So one more shot of the plane and then thats it.
Kim....just for you and Bob!!!!
I hope you like it.Q Tee 2ch RC sport model with Cox 049 and home brew tank. - Page 2 Img_2043

Woody

Oh Man!  
Thank You!!!!
Gonna get it to Cousin Bob!
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