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"Cox Tee Dee .010"



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My second RR-1 aka RR-051

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Wanted My second RR-1 aka RR-051

Post  WingingIt74 on Thu Jan 08, 2015 8:22 am

I really want to find a used silver/blue RR-1... maybe someday...

Anyway, I bought a second RR-1 last week on eBay and  I'm not quite sure what to do with it.... I bought it for $75, but it has some issues...


The head, cylinder, piston and backplate are wrong.  Since it has a newer backplate, the venturi had been modified. It's not a show piece by any means, but it has the presence, so to speak.

My questions are...
• Find the correct parts?
• Run it as modified?
• What cylinder should I put on it?
• Make it a hybrid, put a newer, venom type cylinder/piston and see what I get?

What are your thoughts?


Last edited by WingingIt74 on Thu Feb 05, 2015 9:20 pm; edited 1 time in total

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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Thu Jan 08, 2015 8:37 am

I'm actually getting excited about the hybrid.... just thinking about it Smile

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Wanted Re: My second RR-1 aka RR-051

Post  JPvelo on Thu Jan 08, 2015 9:29 am

Put one of Bernie's TD cylinders on it, screaming fast. Go with a Nelson head and let's see what it will do!

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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Thu Jan 08, 2015 9:34 am

That's close to the ideas I had...

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Wanted Re: My second RR-1 aka RR-051

Post  KariFS on Thu Jan 08, 2015 10:37 am

First thing that occurred to me was to build a "period hot-rod" out of it. That is, if it were mine Wink Ditch the muffler and starter spring obviously, and find a genuine early-sixties TeeDee head, piston and cylinder.

I am thinking of re-creating something that an amateur competitor / hot rodder might have created 50 years ago. Then of course a period-style plane to go with it.

Just an idea Smile
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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Thu Jan 08, 2015 10:42 am

Hmmm... that's a very good idea as well.  I defiantly ditched the muffler and starter spring.  I'll have to look to see what cylinder was on it, it defiantly was done a while back.

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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Thu Jan 08, 2015 3:08 pm

Ok... I need some schooling, what does a early Tee Dee cylinder look like?

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Wanted Re: My second RR-1 aka RR-051

Post  Mark Boesen on Thu Jan 08, 2015 3:27 pm

The Early Tee Dee cylinder were a thin wall, dual port design, they also used a hi-comp head. I'm not sure what the first versions had, if any for a stamp. I know later ones had a #4, I'll check later tonite when i'm home.

The RR-1 were a dual port but did not have a stamp, later ones did have the "1" like the Space Hopper and used a standard head.


Last edited by Mark Boesen on Thu Jan 08, 2015 11:42 pm; edited 1 time in total
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Wanted Is this what you mean

Post  TopBannana on Thu Jan 08, 2015 4:26 pm

This is a used rr1 blue and silver off ebay:
Type Cox RR1 .049 in ebay and it should come up
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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Thu Jan 08, 2015 4:29 pm

too much for my blood....

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Wanted ok

Post  TopBannana on Thu Jan 08, 2015 4:31 pm

WingingIt74 wrote:too much for my blood....
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Wanted Re: My second RR-1 aka RR-051

Post  Mark Boesen on Thu Jan 08, 2015 11:38 pm

Not 100%, but here's an early minty Tee Dee with a #4 cylinder.


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Wanted Re: My second RR-1 aka RR-051

Post  getback on Fri Jan 09, 2015 7:24 am

Mark is that the one with a lighter piston and oiler hole in the conn. rod ? Eric
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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Fri Jan 09, 2015 7:28 am

I think the backplate is from the late 60s or early 70s... what are my options for that time period? I'll have to post a pic tonight.

My next question is, does anyone have a spare laying around? I may have one, but it's a whole engine.

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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Fri Jan 09, 2015 7:53 am

It will be fun to see if any mods actually make it turn faster. I'll have to run it head-to-head with my stock RR-1.

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Wanted Re: My second RR-1 aka RR-051

Post  Mark Boesen on Fri Jan 09, 2015 10:39 am

Unless somebody drilled out a early stunt tank backplate its probably original. The ventless backplate first appeared in '58 with intro of Golden Bee. I've got a early RR-1 ventless backplate that has the clear plating on it.

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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Fri Jan 09, 2015 10:43 am

Well... how about they modified the venturi to fit a newer backplate????

They did a pretty good job... made me cringe when I took the backplate off though....

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Wanted Re: My second RR-1 aka RR-051

Post  Mark Boesen on Fri Jan 09, 2015 1:45 pm

can you post a picture?
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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Fri Jan 09, 2015 1:57 pm

I can tonight.

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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Fri Jan 09, 2015 8:05 pm

Here is the modified tank. I also enlarged the intake hole to be the same size as on a Black Widow.


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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Fri Jan 09, 2015 8:09 pm

Here it is assembled with a #1 step cylinder and a high compression head.

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Wanted Re: My second RR-1 aka RR-051

Post  Mark Boesen on Fri Jan 09, 2015 10:39 pm

Looks a lot better!
The backplates used on RR-1 are basically drilled out (don't remember, but it was a common size) to fit the intake tube, see above photos. However it looks like the tank may have been buggered up to fit the newer backplate. I wouldn't feel bad running this guy, it would be fun to see what it does. But if you ever wanted to restore it of sorts, you could try a blue felt tip pin on the tank and shoot it with some semigloss clear, it wouldn't be fuel proof but would look good.
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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Fri Jan 30, 2015 7:51 am

I found a TD051 piston/cylinder set on eBay.... so it will be soon the RR-051 Smile

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Wanted Re: My second RR-1 aka RR-051

Post  WingingIt74 on Thu Feb 05, 2015 9:07 pm

May I present the RR-051...

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Wanted Re: My second RR-1 aka RR-051

Post  Admin on Fri Feb 06, 2015 12:42 am

Not Thumbs Up but Thumbs Up Thumbs Up

Looks great! Have you run it yet?

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