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Post  oldguy Wed Sep 30, 2020 1:18 pm

https://www.ebay.com/itm/Fox-36-Stunt-Engine-in-Gpod-Used-Condition/254726960108

I have been looking on the web for information on this engine. I can't find anything on this engine, the listing says it's a .36. Anyone have any info on this.
thanks Jim
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Post  oldguy Wed Sep 30, 2020 1:25 pm

I think i found it.  Fox .29.
http://sceptreflight.com/Model%20Engine%20Tests/Fox%2029%20%282%29.html

Anyone have experience with the .29, good or bad?
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Post  Ken Cook Wed Sep 30, 2020 3:15 pm

The Fox pictured was made in two sizes. It was made about 1974 and it was all that Duke could do to sell it. He made this engine for combat using a bushed case. The rules as usual were changed and he was now stuck with these. The .29 is casted on the engine lug designating a .29. The .36 has no markings. The engine uses the .36X internals. However, it doesn't usually run like a .36X which is the engine with the square intake. The molds of the .36X were modified to make the new Baldie version combat engine. Therefore no .36X's were ever produced and I assume that due to the fact he had all the parts leftover, he used them in typical Duke fashion.

Of the versions I have and have seen running, they're typically plagued with tight fitment causing the engine to sag due to drag. They generally are not good for stunt as they're timed to run fast unlike a .35 stunt.
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Post  Eddy Wed Sep 30, 2020 3:34 pm

Hey, I have both the .29 and the .36 slant plug Foxes. They were both brought out in the early 70's as an inexpensive engine at the time. They were heaver than the .35 stunt for a stunt engine. I fly the .36 on a P.D.Q. Super Clown, but had to add tail weight because of the engine being so heavy at almost 8 and 1/2 oz. The .29 at one time was flown on a Sterling T Square with a 9 X 6 prop and 20% nitro. These are heavy engines for the time, I would stick with the tried and true Fox Stunt .35 as a good engine. Learn how to set up the Stunt engine with the spade needle proper, you won't be disappointed. Eddy
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