Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Engine Noise

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Old 02-08-2003, 10:56 AM
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flyfree69
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IM PUTTING TOGETHER A F-4 PHANTOM AND PUTTING A ROSSI-45 WITH A MINI TUNED PIPE ON IT, WILL THE PIPE BE ALOT LOUDER THAN A STOCK MUFFLER? MY CLUB HAS A THING ABOUT ( NOISE & SPEED) WILL THEY KICK ME OFF THE FIELD? THEY LIKE BIG AND SLOW;;;;;;;; LARRY
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Old 02-08-2003, 11:01 AM
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Cactus.
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find out the clubs Db rule and stay within that limit. saved our heil field and stuck two "keeping to the law" fingers up to the woman moaning
sadly sounds like yes they will
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Old 02-09-2003, 03:38 AM
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FlooredCOBRA
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Default Engine Noise

not to sure with a mini tuned pipe on how loud it will be. But usually pipes make a very high pitch scream sound.

I know on ground I always use ear plugs when tunning. So they are fairly loud.
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Old 02-10-2003, 12:09 AM
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Razor-RCU
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Default Lanier F-4?

Good choice on the Rossi- No idea on the noise level at all...

What is the DB max at your field 90db@ 10 feet?

I love that little F-4...

james
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Old 02-10-2003, 12:35 AM
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Default mini tuned silenceser

I have that setup. It is quieter than a stock muffler at a given rpm but with a small prop it can really crank out the rpms. If you use a 10x6 it will not be an issue. If you go to a 9 something then you might turn some heads.
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Old 02-12-2003, 06:55 AM
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Flyboy Dave
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jlong34016 is correct.....put a 10-6 APC on it, and it
will run very nicely....and not tick too many people
off.
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Old 02-13-2003, 01:16 PM
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Flipper
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Aw come on, put an APC 9x8 on it! I love mine, they won't yell, they will just stand there with their mouths open when it screams past the field. God, I love that sound coming out of a dive as planes are scrambling to get out of your flight path. hehe
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Old 02-13-2003, 01:21 PM
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well...
i have to admitt..
i have a MVVS GRRT with a unbaffled power pipe ready to go in a Magnum, swinging at 8x8 APC at close to 30k this will be loulder than the West 50's
i ran it in the garden the other day and my ears rang for a hour afterwards
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