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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › Align 50 High Performance muffler noise level?!?
02-06-2008 09:35 PM  10 years agoPost 1
dogg5306

rrVeteran

Brussels, Belgium

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Hi guys,

What's your opinion about the noise level produced by the pipe? (OS50 Hyper)

We might decide to ban it from our club

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02-06-2008 09:50 PM  10 years agoPost 2
michael88997

rrElite Veteran

Lewisville,Tx

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ok i think this is really weird because i have 3 friend that have 600ns with hypers and align pipes... 2 of them are really quite but one of them is extremely loud... the club that i sometimes fly at by my girlfriends house has a 82 db noise cap and my mp5 tests right at 80 but the align pipes havent been tested

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02-06-2008 10:00 PM  10 years agoPost 3
BarracudaHockey

rrMaster

Jacksonville FL

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I think its louder than a Hatori and not as loud as an MP2 and unless noise is a serious issue I dont know why they would be banned at a club.

Andy
AMA 77227
http://www.jaxrc.com

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02-06-2008 10:25 PM  10 years agoPost 4
dogg5306

rrVeteran

Brussels, Belgium

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BarracudaHockey,

Noise is something that we must take into account as we're under strict regulation here in Belgium...

On a calibrated meter we did manage to measure up to 84dB for Trex600N located at 7m from it for a 1750rpm hovering...

Actually I didn't take a close look at other 600Ns so it might or might not be a bad muffler

91db at 2000+ rpm

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02-06-2008 10:35 PM  10 years agoPost 5
WiscHeli

rrVeteran

Wisconsin USA

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i am getting a Fun Tech HN-50 pipe for my 50 Hyper its ..quite ,, ez to tune .. wider power band for FAI flying ,, only very little power loss over the Hatori or MP5 pipes

T-Rex450seV2,, 600N-Pro ..500CF... Jr 9303 Syn 72Mhz

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02-07-2008 01:30 AM  10 years agoPost 6
Jafa

rrElite Veteran

Sydney, Australia

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The MP2 was certainly loud

The FunTech 3D TypeF is more quiet than the Hatori
and still seems to perform well

The internals of Align pipes do have a habbit of coming apart


Protos | Logo 400 & 500 | Sceadu Evo | Freya Evo | Trex600N | Avant FX

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03-24-2008 08:42 AM  10 years agoPost 7
Sam2b

rrElite Veteran

Tacoma, WA

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My Align 50 muffler was certainly a loud one, but power was good. Since it broke internally I switched to a Hatori SAB50 pipe. The Hatori is very quite, but power is extremely evident.

_Sam B_

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03-24-2008 11:48 AM  10 years agoPost 8
colsy

rrElite Veteran

Cambridge, UK

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Ive run both the 522 and the later Align on Hypers back to back, and TBH the Align is a different sound not necessarily 'louder'.

Col.

Only Quote From Experience.

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03-24-2008 08:16 PM  10 years agoPost 9
dogg5306

rrVeteran

Brussels, Belgium

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Actually the Align sound is more on the high frequency side (too sharp!!!) which makes it very noticeable... (at 2000+rpm)... consequently we've banned its usage from our club

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03-24-2008 10:28 PM  10 years agoPost 10
alchemist

rrVeteran

Auckland,New Zealand

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The Align pipe is quite a bit louder than the CY MP5 pipe (CY MP2 90 pictured below), from the cross section you can see that the second chamber has 2 layers of walls which aids the muffling process.



Thanks to: MR10X for the cross section (Align vs MP2)

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