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Cox Engine of The Month
November-2017
MauricioB's

"Cox Tee Dee .010"



PAST WINNERS
Speed Contest 2018
CEF Traveling Engine

Gallery


Win This Engine!
The Traveling Prop
World of Aviation

2017 Cox engine tach race

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Re: 2017 Cox engine tach race

Post  fredvon4 on Wed Feb 08, 2017 11:13 am

Back when Ron noted moving to March I got complacent knowing I had time

Dang... this year is zooming ---so now I have to verify I have the right address and get my stuff together to send

or I am in danger of maintaining my 100% "dang missed it again" status

BUT at least for me

I am IN!



I was contemplating driving up to Ron's and helping ---BUT

Renie is flying out to her girlfriend's in North Carolina that week, so I am dog sitting for two weeks lol!
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Re: 2017 Cox engine tach race

Post  GWILLIEFOX on Wed Feb 08, 2017 6:15 pm

I will run the space Hopper in unlimited


I am in
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Re: 2017 Cox engine tach race

Post  Oldenginerod on Wed Feb 08, 2017 7:38 pm

getback wrote:I hope so !! i have 2 at this time ready but am concerned about the Stock (reed valve) class i have a Baby Bee P40 three pieces pis/rod and i don't think that will compete with a Space Hopper ?? Is it going to any stock against any other Stock engine ?? Huh...

Eric.
I fairly certain that if it's a genuine P40 engine then it shouldn't have a 3 piece piston. P40 should be stamped on the cylinder. Thin wall, duel bypass with SPI.
Last time, stock class could only really consist of Babe or Golden Bees with single bypass. Something with duel bypass could go in Mouse class if we're having one.

Rod.
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Re: 2017 Cox engine tach race

Post  roddie on Wed Feb 08, 2017 11:14 pm

Kinda psyched... first time entry for me in the tach-race. The engine I'd built for my "Rare Bear" 2014 CEF Reed-Speed Contest engine configuration will be entered in unlimited-class. I know it will "sing" with an APC 4.75 x 4 prop. We'll see if it sings high enough..

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Re: 2017 Cox engine tach race

Post  getback on Thu Feb 09, 2017 8:42 am

GWILLIEFOX and FRED Ya'll need to post you're IN at the Show of Hands Tach Race 2017 !! I Love This Forum! Ron is taking a count to see if enough people are still interested:D
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Re: 2017 Cox engine tach race

Post  getback on Thu Feb 09, 2017 9:08 am

Oldenginerod wrote:
getback wrote:I hope so !! i have 2 at this time ready but am concerned about the Stock (reed valve) class i have a Baby Bee P40 three pieces pis/rod and i don't think that will compete with a Space Hopper ?? Is it going to any stock against any other Stock engine ?? Huh...

Eric.
I fairly certain that if it's a genuine P40 engine then it shouldn't have a 3 piece piston.  P40 should be stamped on the cylinder.  Thin wall, duel bypass with SPI.
Last time, stock class could only really consist of Babe or Golden Bees with single bypass.  Something with duel bypass could go in Mouse class if we're having one.

Rod.
I don't know about the 3 pic . pis. but the cly is thin wall dual bypass and SPI , the p40 is hard to make out from a scratch but with a magnifying glass and a flashlight looks like it LOL Very Happy
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Re: 2017 Cox engine tach race

Post  roddie on Sun Feb 12, 2017 11:23 am

Guys, This would be my first time entering an engine. I have some questions.. and I know that Ron's got a lot on his plate with work/travel etc. Maybe I missed it in the rules.. but wondered if contestants engines should have a starter-spring installed?
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Re: 2017 Cox engine tach race

Post  crankbndr on Sun Feb 12, 2017 12:03 pm

I don't think springs are required even in Mouse I but would probably make Rons day a little easier
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Re: 2017 Cox engine tach race

Post  roddie on Sun Feb 12, 2017 1:35 pm

crankbndr wrote:I don't think springs are required even in Mouse I but would probably make Rons day a little easier

Thanks Doug, that's what I figured too.. but there's no mention of it. I guess it depends on his cranking method. With the APC props on the Unlimited class.. he may not want to wind-back a starter-spring though.. Huh...

There seemed to be enough interest in the contest to move forward with it.. but there hasn't been much buzz in the last few days.

I'd like to send Ron anything else he might need to make his task easier.. (along with return-postage..) Maybe some extra mounting-screws? It would be cool if he had a mount, that a horseshoe backplate would "slide-into".. with a quick-release music-wire "spring-bail" and hook.. sort of like a mouse-trap latch. Laughing It would be faster than dealing with four screws. It could probably be adapted to other engines too.

Hey.... I wouldn't be "me".. if I didn't think-up these crazy things... Laughing
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Re: 2017 Cox engine tach race

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