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Thunder Tiger GP.42

Old 07-25-2011, 01:55 AM
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boomboomt
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Default Thunder Tiger GP.42

Hi

Why does TT market a GP.42 when the displacement is .396 which to me would be a .40 engine. Would this become confusing in a competition event where the max size engine is a 40, and would you have to provide documentation to prove that yuor .42 is actually a .40 ?
Old 07-25-2011, 03:40 AM
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mike109
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Default RE: Thunder Tiger GP.42

G'day

Way back about 1989 there was a Thunder Tiger GP 40. I had one. It was a cheaper alternative to the OS FP 40 of the time. Mine ran OK though we never could quite get it to idle cleanly. Despite this, it taught my son to fly with a Great Planes PT 40.

I suspect that the GP 42 was simply a marketing attempt to show that the 42 was the newer, better model of the original.

There is one GP 42 at our club. It is one of the nicest running, quietest little engines. I also have most of one though I need a carby to make it complete.

A good alternative to cheap Chinese engines or the OS LA series for a trainer or simple scale model.

Mike in Oz

Old 08-04-2011, 09:36 AM
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boomboomt
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Default RE: Thunder Tiger GP.42

Thanks Mike 109, that explains something although i still it's strange to market a .40 engine as a .42.
Old 08-04-2011, 06:48 PM
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Drmeff
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Default RE: Thunder Tiger GP.42

I thought maybe they just called it the gp-42, not the gp .42 but I see tower's site refers to it as a .42...

Thunder Tiger shows this as being .421 on their own site. Maybe Tower's info is off...

http://www.tiger.com.tw/product/9041.html
Old 08-05-2011, 05:16 PM
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gluemaster
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Default RE: Thunder Tiger GP.42

I have one and I think it's a .40 cu in. I have had mine for about 11 or 12 years and have never had any problems with it. It hasn't seen a whole lot of fuel as I took several years off but it is now in a plane that is sort of kit bashed. It's a Goldberg Falcon fuselage with a Global American Flyer wing. The all up weight of the plane is about 4.5 lbs and it flies very nice. It is such a great handling engine that if I were ever to need a replacement I would buy another without hesitation.
Old 08-05-2011, 05:55 PM
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Ken Erickson
 
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Default RE: Thunder Tiger GP.42

And, it is legal for RCPRO Club 40 Sport.

Ken Erickson
Old 08-11-2011, 11:01 AM
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boomboomt
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Default RE: Thunder Tiger GP.42

Thanks fella's i appreciate the help.

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