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My COX 051 Custom

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Post  WingingIt74 Sun Jan 22, 2012 4:20 pm

I just got it running when Jeremy was here. Wow, scary fast.... I really need a tach!


After he left, I ran 3 more tanks and all ran about the same time span. After my 3rd run, I pulled the tank and sure enough it was dry.
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Post  Cribbs74 Sun Jan 22, 2012 5:11 pm

Sounds good, go get a tach!

(says the guy who doesn't have a tach) lol!
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Post  nitroairplane Sun Jan 22, 2012 5:15 pm

Yeah man a .051 draining a tank in 30 seconds has to be turning pretty darn quick!
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Post  fit90 Sun Jan 22, 2012 5:27 pm

Let us know more, fuel, prop ,engine parts etc. Sounds great! and fast!
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Post  nitroairplane Sun Jan 22, 2012 5:36 pm

I know he used a 5x3 cox prop and I think sig 25% fuel.
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Post  WingingIt74 Sun Jan 22, 2012 5:51 pm

  • 051 Single Ring Piston
  • Custom Ported Cylinder
  • 5x3 Safety Tip Prop
  • GlowPlugBoy Rocket Power Fuel: 24% Nitro and 17% all AAA castor oil lube


I don't know much more, as Randy can't remember about if the crank is a Killer Bee or not. The pics below you can see the custom porting .

My COX 051 Custom Img_1816
My COX 051 Custom Img_1814
My COX 051 Custom Img_1815
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Post  nitroairplane Sun Jan 22, 2012 6:00 pm

I may be seeing this wrong but that looks like a quad by pass cylinder!
Look at the rear of the crankshaft is the disc still circular or does it has 2 cuttings beside where the pin is?
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Post  WingingIt74 Sun Jan 22, 2012 6:03 pm

I'll take some better pics with my good camera.
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Post  nitroairplane Sun Jan 22, 2012 6:20 pm

Can't wait bounce
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Post  WingingIt74 Sun Jan 22, 2012 7:12 pm

Side #1
My COX 051 Custom Img_1818

Side #2
My COX 051 Custom Img_1819

Both
My COX 051 Custom Img_1820

Back of Crank
My COX 051 Custom Img_1821


iPhone still takes the best pics, my Sony couldn't light it up right.
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Post  WingingIt74 Sun Jan 22, 2012 10:01 pm

Looks to be a stock crank.... what RPM can it handle?

Randy said it would run 28K rpm with 50% nitro, should I be worried???
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Post  microflitedude Sun Jan 22, 2012 10:05 pm

WingingIt74 wrote:

Randy said it would run 28K rpm with 50% nitro, should I be worried???

Yes.
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Post  Jason_WI Sun Jan 22, 2012 10:41 pm

The ball/socket in the piston will come unglued as well as the crank pin at anything above 24K.
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Post  nitroairplane Mon Jan 23, 2012 1:56 am

WingingIt74 wrote:Looks to be a stock crank.... what RPM can it handle?

Randy said it would run 28K rpm with 50% nitro, should I be worried???

Be afraid,
Be very afraid!
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Post  Godsey3.0 Mon Jan 23, 2012 7:42 am

That thing looks awesome. Makes me want to start tampering with the cylinders... Huh...
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Post  WingingIt74 Mon Jan 23, 2012 7:54 am

I ordered a Killer Bee crank from CoxInternational last night. I received the KB backplate from them last week Smile
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Post  Godsey3.0 Mon Jan 23, 2012 8:07 am

Too bad the tach race is over, you could have entered that thing.
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Post  WingingIt74 Mon Jan 23, 2012 8:11 am

I need to get a tach Wink
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Post  Godsey3.0 Mon Jan 23, 2012 8:12 am

Same here. It would be nice to know what my engines are getting
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Post  nitroairplane Mon Jan 23, 2012 12:17 pm

For me too but I don't really push my engines and + I could get a babe bee for the price of a tach.
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Post  microflitedude Mon Jan 23, 2012 12:24 pm

nitroairplane wrote:For me too but I don't really push my engines and + I could get a babe bee for the price of a tach.

I know, but I didn't really need another Bee, so bought a used one. No regrets so far.
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Post  nitroairplane Mon Jan 23, 2012 12:25 pm

microflitedude wrote:
nitroairplane wrote:For me too but I don't really push my engines and + I could get a babe bee for the price of a tach.

I know, but I didn't really need another Bee, so bought a used one. No regrets so far.

True but I do not need any engines but desire them.
Maybe next time I hit the shop I will pick one up.
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Post  WingingIt74 Mon Jan 23, 2012 12:26 pm

nitroairplane wrote:
True but I do not need any engines but desire them.
Maybe next time I hit the shop I will pick one up.

Is that how I got to 4 of them already???
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Post  microflitedude Mon Jan 23, 2012 12:27 pm

WingingIt74 wrote:
nitroairplane wrote:
True but I do not need any engines but desire them.
Maybe next time I hit the shop I will pick one up.

Is that how I got to 4 of them already???

That's nothing. You still have time to turn back.....

Very Happy
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Post  WingingIt74 Mon Jan 23, 2012 12:32 pm

Ya but if I spend any more money at Cox International, I think my wife will beat me or take it out on my computer.
My COX 051 Custom Images?q=tbn:ANd9GcTko5Cs2dsMyhr1tbJoH3We7W8wimvWFal24C2UgOtwxFEvk96D
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