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Super Tigre G21 .35 stunt conversion. Cox_ba12




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Super Tigre G21 .35 stunt conversion. Empty

Super Tigre G21 .35 stunt conversion.

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Super Tigre G21 .35 stunt conversion. Empty Super Tigre G21 .35 stunt conversion.

Post  Cribbs74 Tue Jan 22, 2019 11:48 pm

I purchased a couple ST ABC cylinder sets from Brian Gardner in Australia. I was very pleased with the quality of the work and the fit and finish. The ABC is nice, but I was more interested in converting the BB Combat version that was gifted to me from Fred into a stunt engine that will do a 4-2-4. Not cheap by any means, but worth it to me.

I am attaching a few pictures so you can see the difference in the port timing.

Ron

Super Tigre G21 .35 stunt conversion. F28e1a10
Super Tigre G21 .35 stunt conversion. 421c0810
Super Tigre G21 .35 stunt conversion. Cd517d10

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Post  smooth_bill Wed Jan 23, 2019 2:28 am

Ron,

Can't wait to see the results!

Will this be a BB stunt engine?

I have a few of the ABC sets from Brian, and the quality is just amazing.

After ordering and receiving two FP-40 sets, I discovered a set of OS FP-40 ABN parts in my OS parts box, that I didn't remember buying!

Unfortunately, I'm no longer flying C/L, due to age induced balance problems! May have to go back to R/C, as I can probably fly standing still, or sitting in a lawn chair.

Bill
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Post  Ken Cook Wed Jan 23, 2019 3:53 am

Hopefully Brian gets around to the Fox .35 stunts. I'm dedicating my last new crankcases to them.
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Post  Cribbs74 Wed Jan 23, 2019 8:39 am

@smooth_bill wrote:Ron,

Can't wait to see the results!

Will this be a BB stunt engine?

I have a few of the ABC sets from Brian, and the quality is just amazing.

After ordering and receiving two FP-40 sets, I discovered a set of OS FP-40 ABN parts in my OS parts box, that I didn't remember buying!

Unfortunately, I'm no longer flying C/L, due to age induced balance problems! May have to go back to R/C, as I can probably fly standing still, or sitting in a lawn chair.

Bill

Bill,

Sorry to hear about your balance problems! R/C would be the way to go. Yes this will be a BB stunt. Slated for a Magician or perhaps a Tanager.

Ron
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Post  Cribbs74 Wed Jan 23, 2019 8:40 am

@Ken Cook wrote:      Hopefully Brian gets around to the Fox .35 stunts. I'm dedicating my last new crankcases to them.

I hope so too, I didn’t even know he was thinking of doing them. They are about $100 a pop, but I can see why now that I have one in my hands.

Ron
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Post  getback Wed Jan 23, 2019 9:23 am

They Look Amazing , does he sell gaskets for Super Tiger also or who may have some ? I have a Thunder Tiger .15 mod.7703
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Post  Cribbs74 Wed Jan 23, 2019 9:41 am

@getback wrote:They Look Amazing , does he sell gaskets for Super Tiger also or who may have some ? I have a Thunder Tiger .15 mod.7703

Well, the Super Tigre Piston/Cyl assy came with gasket and head shims. So I imagine he has gaskets available. The Thunder Tiger is a completely different animal than a Super Tigre, not sure where you get gaskets for those.

Edit: looks like Thunder Tiger is out of Taiwan, they have a website so you may be able to get gaskets direct from the company.
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Post  getback Wed Jan 23, 2019 12:11 pm

Thanks Ron i contacted them to see if they can help .
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Post  Ken Cook Wed Jan 23, 2019 3:19 pm

Many .15 size engines are interchangeable. Seeing that most Thunder Tiger engines are almost one in the same as OS, I would start there. Essentially, the same designer was responsible for many of these engines. Eric can you measure the OD and ID. Are you 100% certain it's missing? It's difficult to tell because they fit so tightly in the head.

Ron, Brian told me he didn't have a price but he feels they're going to be over a hundred. While this took off with great expectations, a certain crowd I know jumped in and decided that they wanted many changes. He is supposedly offering a stock version and a racing version. I really don't know why, because all of our events mandate stock Fox equipment. Therefore, none of Brian's options can legally be used. But, there's those that just have to push the envelope. Now, the crank will break due to more power and the engine will need a crankshaft better than the stock one.
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Post  getback Thu Jan 24, 2019 8:05 am

It the CC gasket Ken here is a pic of the same engine .. Super Tigre G21 .35 stunt conversion. Thunde10
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Post  Cribbs74 Thu Jan 24, 2019 9:28 am

Eric,

If you have the old gasket you can just trace it onto gasket material and cut it out. You can also do the same without an old gasket. Just trace around the crankcase. Measure the opening and cut to fit. Quite simple and cheap.
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Post  Ken Cook Thu Jan 24, 2019 3:13 pm

Looks like a Enya .15 would be identical.
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