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Fuel Proof Spray? - 3/24/2012 10:29 PM   
Mein Duff



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Status: offline 		Hey Guys, Can anyone recommend a decent fuel proof spray can for nitro?
I am near the near the end of my last "Simprop" urethane spray that seems to do a good job..but unable to find here in US..
My trip to my local autobody paint shop has 2 component spray cans that have a 24 hr shelf life after activating ($25.- yikes).. they also have a 2 component sytem that one can mix and spray through a gun for $50.-...both a are probaly worth it for larger projects but I just need to occasionally spray the under bellies of my models.

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RE: Fuel Proof Spray? - 3/25/2012 2:51 AM   
dant-RCU



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Status: offline 		Lustercoat clear has worked very well for me in the same situation you describe. Used to come in flat and gloss but I have only
seen gloss in th last couple of years at the LHS.

Dan


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RE: Fuel Proof Spray? - 3/25/2012 3:06 AM   
Laird SS


 

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Status: offline 		Just bought a can of LustreKote Flat Clear this past week at my LHS. Part number is TOPR7500. The can is a little bit confusing. It says Flat Clear just above the part number and High Gloss, Fuel Proof in the middle of the can. I'm hoping it really is flat.

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RE: Fuel Proof Spray? - 3/25/2012 11:09 AM   
jeffo


 

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Status: offline 		I heard from my LHS that Lustercoat is being phased out.I'm trying Minwax water based polyureathane,(blue can).dries fast,1/2 hr.-jeffo

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RE: Fuel Proof Spray? - 3/25/2012 11:26 AM   
AmishWarlord



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quote:

ORIGINAL: jeffo

I heard from my LHS that Lustercoat is being phased out.




I've been using Lustercoat as well since Black Baron Clear went away. I guess I'll have to find another fuel "proofer".

I'll have to read up on this Minwax Polycrylic stuff.

I once heard a rumor that Krylon clear was fuel proof after you let it set a week or two. I can tell you it's not.

If the fuel oil residue makes the clear coat gummy the next day in areas where you didn't get it wiped off the model then I consider that "Not Fuelproof".

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RE: Fuel Proof Spray? - 3/25/2012 12:19 PM   
OldScaleGuy



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Status: online 		I heard from my LHS that Lustercoat is being phased out.I'm trying Minwax water based polyureathane,(blue can).dries fast,1/2 hr.-jeffo
The "quote" selection is not working this morning. Another RCU bug i guess. Any way, is this Minwax available in a spray can?

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RE: Fuel Proof Spray? - 3/25/2012 5:05 PM   
dant-RCU



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Status: offline 		Laird SS:

Thanks for the tip on the part number. Sadly, my LHS closed his doors last year after 14 years. All I have locally is a Hobbytown.
I will check there anyhow - I do pick up glue and the odd bit of wood from them and he stocks Xoar props for gassers to I can sometimes
get the size I need.

Dan


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RE: Fuel Proof Spray? - 3/25/2012 7:50 PM   
Mein Duff



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Status: offline 		Hopefully I can still find a few cans of Lustercoat out there somewhere...better stock up before they dissapear altogether.

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RE: Fuel Proof Spray? - 3/25/2012 9:00 PM   
jeffo


 

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Status: offline 		yes ,the minwax water base poly does come in spray can.-jeffo
p.s. sold at Lowes & Home Depot

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RE: Fuel Proof Spray? - 3/25/2012 9:24 PM   
AmishWarlord



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Status: offline 		I had a nice silver paint that looked just like polished aluminum when it was dry. Trouble was it wasn't fuel proof and when you hit it with the fuel proof clear coat it lost all it's metallic properties and would just turn into gray paint under the clear coat.

I'll have to test it out again with the Minwax. Maybe the water based paint wont react with the top layer of "shine" of the silver paint.


I'd love to have the 1/4 Scale Ryan I have planes to build turn out like this.





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RE: Fuel Proof Spray? - 3/25/2012 10:04 PM   
Mein Duff



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Status: offline 		The Ryan STA is a beautifull aircraft...have you considered Flight Metal product?...stick on Alu material

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RE: Fuel Proof Spray? - 3/25/2012 10:06 PM   
Mein Duff



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Status: offline 		Would be great if someone could try out the Miniwax and gve us all a test result !

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RE: Fuel Proof Spray? - 3/25/2012 10:43 PM   
AmishWarlord



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Status: offline 		Here ya go.

Now this is a test!

http://www.rcuniverse.com/forum/fb.asp?m=7930656

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RE: Fuel Proof Spray? - 3/26/2012 1:13 AM   
abufletcher



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Status: offline 		My experience and my testings tells me that neither Minwax polycrylic nor polyurethene are truly fuel-PROOF. They are more like fuel-RESISTANT. Unless you wipe down the model thoroughly after each flight and clean it really well between flight sessions (and who does that, right?) eventually it's going to start to gum up.

After testing virtually everything I could find at the local hardware store, I finally found the local equivalent to rustoleum, i.e. paints designed to be used on outdoor jobs like metal gates. These seems to be 100% fuel proof. For my WWI models, my overall fuel-proofing comes from using Nelson's water-based polyurethane with the cross-linker. By the way, fuel WILL slightly "discolor" the finish. I think this is more because the oil in the fuel changes the reflective properties of the surface. Anyway, I've decided it's probably a fairly natural "weathering" effect.

Note that this rustoleum spray doesn't "play well" with all other paints. For example, when I sprayed the clear version of the rustoleum-type paint over the Nelson's PC-10, the PC10 layer cracked and peeled up. As always: TEST TEST TEST.

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RE: Fuel Proof Spray? - 3/26/2012 2:39 AM   
xcz5785


 

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Status: offline 		I've used Rustoleum with good results. It will also adhere to covering well if you primer it.

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RE: Fuel Proof Spray? - 3/26/2012 3:23 AM   
049flyer


 

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Status: online 		First go to your local home improvement warehouse and find the Preval spray system, also available online.

It is an aerosol spray can that you attach to a special jar which you can fill with any type of paint you wish. Then visit your hobby shop or order online; fuel proof butyrate dope. It comes in just about any color including flats and clear. Fill the Preval jar with dope and a little thinner and spray away. The Preval system is re-usable, simple and easy to use. One can is enough to lay about 2 or 3 coats of paint on your average .40 size plane if you don't get too carried away with spraying heavy coats.

I use this system all of the time for small jobs when I don't want to crank up the compressor and the touch up gun.

I have had good luck with butyrate dope on 1/2A planes using 25% nitro. If using nitro percentages over 15% be sure to let the paint dry for several days before using, especially if the finish is not clear coated. For reasons I don't quite understand, clear butyrate is supposed to be more fuel proof than the color dopes.

Butyrate dope is available online from a variety of online sellers, usually those catering to the control line part of the hobby.

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RE: Fuel Proof Spray? - 3/29/2012 11:30 PM   
chip_MG


 

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Status: offline 		I Like This Clear..
Its water based it takes some learning to apply though..

Chip


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RE: Fuel Proof Spray? - 3/30/2012 12:27 AM   
Mein Duff



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Status: offline 		The Preval System sounds very interesting..will check it out...
I also picked up a can of Miniwax water based polyurethane and a can of Rustoleum Satin Clear..

I will spray and let dry a few days and test these two out...I am testing some engines also so will subject them to hot exhaust gas .....I only run 15 Nitro...will post results in a week or so..
Not having any luck finding Lustercoat ...to bad

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RE: Fuel Proof Spray? - 3/30/2012 3:26 AM   
TFF


 

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Status: offline 		Clear high temp paint from the auto store works ok. The big thing is compatibility with the underneath paint. You got to check.

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RE: Fuel Proof Spray? - 3/30/2012 5:04 AM   
Firepower R/C


 

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Status: offline 		Forgive my lack of knowledge, but can anyone tell me if latex paints are fuel resistant/proof? No clear, obviously.

Tower has Lusterkote clear in ample supply as of 5 minutes ago.

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RE: Fuel Proof Spray? - 3/30/2012 6:30 AM   
Mein Duff



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Status: offline 		Thanks Firepower ! Awesome, Tower does indeed have Lustrecoat...and in Flat !!...I'll be ordering a few cans to keep on hand.. Thanks

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RE: Fuel Proof Spray? - 3/30/2012 4:55 PM   
chip_MG


 

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Status: offline 		Firepower,
No Latex paints are not fuel proof, but nelsons water based poly with the crosslinker additive is fuel proof to 20% nitro. I have used the above combo on several glow powered airplanes with good results.

Chip

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RE: Fuel Proof Spray? - 3/30/2012 4:56 PM   
OldScaleGuy



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quote:

ORIGINAL: Firepower R/C

Forgive my lack of knowledge, but can anyone tell me if latex paints are fuel resistant/proof? No clear, obviously.

Tower has Lusterkote clear in ample supply as of 5 minutes ago.


Latex is not glow fuel resistant at all. It is ok on a gasoline powered plane.

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RE: Fuel Proof Spray? - 3/30/2012 5:41 PM   
FlyerInOKC



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quote:

ORIGINAL: OldScaleGuy


quote:

ORIGINAL: Firepower R/C

Forgive my lack of knowledge, but can anyone tell me if latex paints are fuel resistant/proof? No clear, obviously.

Tower has Lusterkote clear in ample supply as of 5 minutes ago.


Latex is not glow fuel resistant at all. It is ok on a gasoline powered plane.


How does a Urathane or oil based paints hold up to glow fuel? What component of glow fuel causes the damage the oils or the nitro?

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RE: Fuel Proof Spray? - 3/30/2012 6:52 PM   
AmishWarlord



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Status: offline 		Must be the nitro since it gets paints are rated for nitro. Also the exhaust has acids in it. This is what rust bearings and maybe eats into the paint over time. Just guessing though.

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