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-   -   Engine Noise (https://www.rcuniverse.com/forum/extreme-speed-prop-planes-104/541901-engine-noise.html)

flyfree69 02-08-2003 10:56 AM

Engine Noise
 
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

Cactus. 02-08-2003 11:01 AM

Engine Noise
 
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 :D
sadly sounds like yes they will

FlooredCOBRA 02-09-2003 03:38 AM

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.

Razor-RCU 02-10-2003 12:09 AM

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

jlong34016 02-10-2003 12:35 AM

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.

Flyboy Dave 02-12-2003 06:55 AM

Engine Noise
 
jlong34016 is correct.....put a 10-6 APC on it, and it
will run very nicely....and not tick too many people
off. :rolleyes:

Flipper 02-13-2003 01:16 PM

Engine Noise
 
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

Cactus. 02-13-2003 01:21 PM

Engine Noise
 
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 :D


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