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Cox Engine of The Month
November-2017
MauricioB's

"Cox Tee Dee .010"



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New addition!

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Happy New addition!

Post  TDbandit on Sun Mar 29, 2015 7:12 pm

Had a stroke of good luck today, a friend of mine that I've known for a long time came by for a visit and while chatting with him we got into a discussion about cox engines. After the discussion, he went out to his truck and brought back a .049 which turned out to be a space bug jr and said here, it's yours! needless to say I was shocked. Not every day that you have a space bug given to ya! anyway here's a pic of the little gem! It does have a small problem with the back plate but other than that it's in good shape.

here it is, going to pull it apart and try to fix the back plate and replace the gasket and later maybe get a run out of er.
Smile (Bandit)
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Happy Re: New addition!

Post  NEW222 on Sun Mar 29, 2015 7:33 pm

Nice, now, do you have any other friends. I could use one. Very Happy
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Happy Re: New addition!

Post  dckrsn on Sun Mar 29, 2015 7:36 pm

Ahhh, good karma on you TDB.
Looks like it still has the old cylinder/head assembly too. Smoking
Let us know how she goes.
Bob
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Happy Re: New addition!

Post  TDbandit on Sun Mar 29, 2015 8:09 pm

dckrsn wrote:Ahhh, good karma on you TDB.
Looks like it still has the old cylinder/head assembly too. Smoking
Let us know how she goes.
Bob
I've taken a closer visual look at it and it has the newer style large thread cylinder it's not the old small head one Sad When I break into it, I'll take some pics it's possible it may not be the original cylinder. (Bandit)
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Happy Re: New addition!

Post  dckrsn on Sun Mar 29, 2015 9:55 pm

TDbandit wrote:
dckrsn wrote:Ahhh, good karma on you TDB.
Looks like it still has the old cylinder/head assembly too. Smoking
Let us know how she goes.
Bob
I've taken a closer visual look at it and it has the newer style large thread cylinder it's not the old small head  one Sad When I break into it, I'll take some pics it's possible it may not be the original cylinder. (Bandit)
I didn't have my glasses, and the sun was in my eyes, and............. Embarassed
Bob
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Post  TDbandit on Sun Mar 29, 2015 10:50 pm

dckrsn wrote:
TDbandit wrote:
dckrsn wrote:Ahhh, good karma on you TDB.
Looks like it still has the old cylinder/head assembly too. Smoking
Let us know how she goes.
Bob
I've taken a closer visual look at it and it has the newer style large thread cylinder it's not the old small head  one Sad When I break into it, I'll take some pics it's possible it may not be the original cylinder. (Bandit)
I didn't have my glasses, and the sun was in my eyes, and............. Embarassed
Bob
It's ok *Pats shoulder* no harm done Smile It;s hard to tell anyway from the angle of the pic. I'll have better pics later when I can get a better place to work. (Bandit)
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Happy Re: New addition!

Post  crankbndr on Mon Mar 30, 2015 9:10 am

Are you sure? That looks like the old small dia. head. You can tell the cylinder by the profile,

From Marks site, older cylinder



newer cyl.
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Post  TDbandit on Mon Mar 30, 2015 10:02 am

I looked at it again and it's the new style but it has the ridge which according to everyone should be the old head was there a period of time when the newer style still had the ridge? Just for kicks and wiggles I tried a new head from one of my bee's and it went right in no problem. It's also the new big head cylinder which I was primarily referring to last night anyway here's some pics;

Pic of cylinder

Closer pic of the head
(The bandit is puzzled)
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Post  balogh on Mon Mar 30, 2015 12:27 pm

I guess yours is a post 1955 one with the thin wall cylinder that fits the current glow heads.

Pictured below are my 2 T-Hoppers, the left one is a brand-new pre-1955 with the old head, the one on the right is a post 1955 design with the same thin wall cylinder as yours.

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Post  crankbndr on Mon Mar 30, 2015 2:15 pm

That might be a pretty rare head you got there, I've never seen one like that in the larger dia.
But I'm mostly wrong nowadays, when I was 19 I was always right. Shocked Very Happy
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Happy Re: New addition!

Post  GallopingGhostler on Mon Mar 30, 2015 3:05 pm

TDbandit wrote:Had a stroke of good luck today, a friend of mine that I've known for a long time came by for a visit and while chatting with him we got into a discussion about cox engines. After the discussion, he went out to his truck and brought back a .049 which turned out to be a space bug jr and said here, it's yours! needless to say I was shocked. Not every day that you have a space bug given to ya! anyway here's a pic of the little gem! It does have a small problem with the back plate but other than that it's in good shape.

here it is, going to pull it apart and try to fix the back plate and replace the gasket and later maybe get a run out of er.
Smile (Bandit)
Congrats, TDbandit, you'll need to mount that on a suitable airframe, looks like another potential "Engine of the Month" candidate! St.Pats Beers

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Happy Re: New addition!

Post  NEW222 on Mon Mar 30, 2015 5:11 pm

Those older engines do indeed look rather neat. So, since I do not have one, how do they run in power, and duration. Do they compare to a Babe Bee? Also, if i may, is it an optical illusion, or is the crankcase nose really long? Sorry for hijacking your thread, and if you like, I would gladly repost this in a new topic should you like. Thank you.
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Post  TDbandit on Mon Mar 30, 2015 10:02 pm

I haven't run it yet but from what I gather, they run comparable or a little better than a babe bee and no it's no illusion, the crankcase is rather long on these engines I'll have a video up of the engine running soon! Smile (Bandit)
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Happy Re: New addition!

Post  Mark Boesen on Mon Mar 30, 2015 10:55 pm

yep, for about a year (?) they had that little decorative fin like the early glowheads.

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Happy Re: New addition!

Post  TDbandit on Tue Mar 31, 2015 6:03 pm

Mark Boesen wrote:yep, for about a year (?) they had that little decorative fin like the early glowheads.

Nice I've got another loose thin walled single bypass cylinder that I've got a stuck piston that has the plain head. I think it's off of a space bug as well. (Bandit)
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