Q-500 Racing Discuss AMA 428, AMA 424, and any other variants of Quickie 500 racing

424?

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Old 02-12-2017, 08:07 AM
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vertical grimmace
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I was wondering what the state of 424 racing is? What engine is being used now that the Thunder tigers are no more?
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Old 02-12-2017, 03:13 PM
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The Evolution 0.46 is now approved for 424 racing.

http://www.horizonhobby.com/evolutio...ffler-evoe0461
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Old 02-12-2017, 03:27 PM
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I take it the Evolution is faster than the old TT .40? I still have a few of them. Nice to know the event is dead. Hopefully someone will keep making engines.
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Old 02-12-2017, 05:06 PM
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The version that is approved has the one piece muffler. This version is very similar in performance to the Thunder Tiger Pro 40.
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Old 02-16-2017, 07:06 AM
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All My 424 engines are Thunder Tigers. I've raced against a few Evolutions and won heats and lost to one of them so I think they are pretty close. When I eventually run out of parts will probably switch to the new ones.

In my opinion it really boils down to flying skills with either engine can win races.
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