Blue Bullet Break-In !

Kim Mon Nov 19, 2012 5:43 pm

Got home a little late today, but was still able to squeeze in some break-in runs on my new "Blue Bullet" !

As with "The Other 13", I used some new 25% Sig fuel and a gray 5-3 Cox propeller. The temps were in the 50's and this may be the reason I kept getting compression-bump running. I finally stuck two more gaskets on top of the three that come the engine, and got it going.

I let it run rich for a minute or so, then started short bursts to peak and back. I kept this up for almost ten minutes (I can easily refuel it in run), then got the tach on it before lost all my sunlight. The Blue Bullet, with 5 head gaskets, carried a pretty steady 17k as I let it run out the fuel.

When I get a chance to run it again, I'm going to pull a gasket at a time as it gets broken-in.

Blue Bullet Break-In ! 1_165

**RknRusty** Mon Nov 19, 2012 6:52 pm

Thanks for the break-in report. I think 3 shims with that type head is my standard setup for a broken-in engine. It has some serious compression, seems like more than a Nelson or a Cox 1702.
Are those plugs and clamp-ring heads made by Merlin? I want to get a few of the three fin ones since my supply of Cox originals is getting low.

crankbndr Mon Nov 19, 2012 7:32 pm

The clamp ring is on Ebay
http://www.ebay.com/itm/Merlin-Glow-Plugs-Clamp-Ring-For-1-2A-Cox-Norvel-049-Glow-Plug-/281003779484?pt=US_Character_Radio_Control_Toys&hash=item416d21659c

And the ring and plugs, but can't find med. any more only hot

http://www.ebay.com/itm/Merlin-Glow-Plugs-2019-1-2A-Cox-Norvel-049-Glow-Plug-3-Pack-W-Clamp-Ring-/280889303625?pt=US_Character_Radio_Control_Toys&hash=item41664ea249

coxaddicted Tue Nov 20, 2012 4:34 pm

Nice to see one in action not on the shelf

**RknRusty** Tue Nov 20, 2012 5:51 pm

Absolutely. An engine ain't an engine unless it's turning volatiles into kinetic energy. Any other case makes it a paper weight. Or a hardhat adornment. Yeah, Kim, get a yaller hard hat and glue it to the front of it.
lol!

Kim Tue Nov 20, 2012 6:05 pm

RknRusty wrote:Absolutely. An engine ain't an engine unless it's turning volatiles into kinetic energy. Any other case makes it a paper weight. Or a hardhat adornment. Yeah, Kim, get a yaller hard hat and glue it to the front of it.

Not just a hard hat...a hard hat with a ply plank bolted to the front...with an Xtreme, a Blue Bullet, and a Christmas Bee...on 35% nitro...with a skateboard...and Dr. Meece, my emergency room doctor / bud standing by !!!!!

**RknRusty** Tue Nov 20, 2012 6:36 pm

Kim wrote:
RknRusty wrote:Absolutely. An engine ain't an engine unless it's turning volatiles into kinetic energy. Any other case makes it a paper weight. Or a hardhat adornment. Yeah, Kim, get a yaller hard hat and glue it to the front of it.

Not just a hard hat...a hard hat with a ply plank bolted to the front...with an Xtreme, a Blue Bullet, and a Christmas Bee...on 35% nitro...with a skateboard...and Dr. Meece, my emergency room doctor / bud standing by !!!!!

Don't forget the chinstrap, essential to the efficient transfer of Delta V. Just look where you want to go. Look at your feet to descend stairs, and up to ascend stairs or slow down. I can't look backwards anymore. But I can carry a cain(or a shillelagh) to drag for braking.

ekitten2 Mon Nov 26, 2012 8:50 pm

yas could always "head butt" someone (or some thing) in order to stop em??

:-)

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