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 on: Yesterday at 09:07:46 PM 
Started by mike londke - Last post by Mike Keville
Clean the tank well with isopropol alcohol to remove all oil/grease.  Let it dry.  Plug all openings, then spray with Ace-brand metal primer.  Let dry, then top coat with Krylon "Fusion" (fuel-resistant) color.

 on: Yesterday at 08:59:36 PM 
Started by Terry Caron - Last post by George
...The engine was a favorite of G Aldrich but for the life of me I wonder why...

I believe GMA said the "Rocket" gave a better stunt run than the "X".

Both run best if you do not over-prop 8x4 or a 7x6 seem good. Most recommend 15% nitro.


 on: Yesterday at 08:53:51 PM 
Started by Dennis Leonhardi - Last post by Dennis Leonhardi
A new friend who's been flying RC for several years wants to go back in time and recapture the fun of flying 1/2-A models on lines, but this time bigger and better.  His favorite model from those days - though admittedly not the best flying 1/2-A he had - was the Cox PT-19.

When he saw my Hanger 9 PT-19, he immediately decided he should have one.  Anyone here have a kit they'd like to part with?



 on: Yesterday at 08:49:20 PM 
Started by Paul Taylor - Last post by Paul Taylor
Sounds like a design flaw.  Or maybe designed that way to sell more motors.  Cheesy

 on: Yesterday at 08:46:26 PM 
Started by MikeyPratt - Last post by MikeyPratt
Can overseas get to order a short kit?

I'm from Australia Smiley

Hey there Mate,
The shipping to Australia USPS priority is $50.00 but I'm looking into FedEx to see if it can be a little cheaper.


 on: Yesterday at 08:35:36 PM 
Started by mike londke - Last post by Mike Scholtes
Walter Umland kits a Sakitumi 25, which I have one of with LA25 in it. Not sure a 15 would be enough, but if you only mean "a smallish engine" this would fit the bill.

 on: Yesterday at 08:29:35 PM 
Started by Paul Taylor - Last post by Terry Caron
My thoughts exactly Paul, until it was pointed out that the softer bushing material can embed particles that then act as a polishing compound on the harder shaft.
Made sense to me.


 on: Yesterday at 08:24:43 PM 
Started by Steve Agrella - Last post by Brett Buck
You're very welcome Steve.
Here's another chart giving a bit different range.


   In both cases, I think these are more applicable to older engines than to anything made in the last 30 or so years. For stunt, you want something in the range of 4" of pitch, not 6" as this suggests in many cases. This will permit/require the engine to run in the 12000 rpm range in the air, where it has a chance to make decent power with decent fuel suction without modifications.


 on: Yesterday at 08:22:51 PM 
Started by Paul Taylor - Last post by Paul Taylor
Thanks Guys
Funny it looks like a brass bushing. I would have figured the brass would wear out before the crank Huh

 on: Yesterday at 08:14:53 PM 
Started by EddyR - Last post by JIM Nordin
How do you like the bearcat so far. I thinking of getting one ?


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