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HomeAircraftHelicopterThunder TigerOther › Raptor 90 + YS91...what muffler?
11-06-2004 01:30 PM  13 years agoPost 1
Heli88

rrKey Veteran

Clarkston, MI

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I could not find a good answer using search. I'm getting a YS 91 for a Raptor 90. It sounds like the SB-16 is a good choice for the YS, does it require cutting the canopy? Is there a muffler out there that fits without cutting? I really don't think I need a tuned pipe.

Thanks!

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11-06-2004 01:41 PM  13 years agoPost 2
Rappy

rrApprentice

Belgium

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Hatori 90 size works very well, must cutting the canopy.
MP 2 works better and you need no cutting.

Regards

Chris

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11-06-2004 01:59 PM  13 years agoPost 3
BlakeMcBrayer

rrElite Veteran

Georgetown, Ky

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I have a YS91 in my R60 with the SB-16FH and I am very pleased. It is the same muffler as the SB-16, but it does not require a mounting clamp towards rear of the heli. It mounts to the exhaust port only. Here is a link:

http://ecsvr.com/mta/shopexd.asp?id=3223

Don't come off the throttle untill you see your GOD!

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11-06-2004 11:10 PM  13 years agoPost 4
AMainMaker

rrKey Veteran

Nappanee,IN

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I use a MPII with mine and it flys great. I am runninng 8.27 ratio and about 1850 head speed.
Jason

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11-07-2004 12:37 AM  13 years agoPost 5
Bobby Watts

rrVeteran

Orlando, FL

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Running a YS 91 with MP2 on a 8:45 ratio. TONS OF POWER!

Haven't had the privelage to try the SB-16 yet, but apparently that kicks ass too.

www.bobbywatts.com

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11-07-2004 12:43 AM  13 years agoPost 6
tailrotordave

rrVeteran

Burbank, Ca

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90SE/YS91, Hatori SB-16FH, GV-1, and 8.45 ratio. Yes you have to cut the canopy. Check my gallery for photos. This heli rocks.

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11-07-2004 05:02 AM  13 years agoPost 7
Scooterpilot

rrKey Veteran

Southern, California

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Muffler
YS 91, SB 16, and 8:45 gear ratio.....it rocks

Two G-4's & X50's YS60SR,Futaba 18SZ/12Z/14FG, ,Rail Blades Rep

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11-07-2004 02:15 PM  13 years agoPost 8
Jeff Swartz

rrKey Veteran

Ohio

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I like the sb16 soft mount for the ys. This new mount makes a world of diffrence.

the Mp2 is great as well, but a little louder and has more of a chance of breaking the engine case if you crash on the muffler side.

both have good and bad points... and either would be great over a muffler.

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11-07-2004 02:57 PM  13 years agoPost 9
Heli88

rrKey Veteran

Clarkston, MI

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Thank you all for your input I really appreciate it!

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