In-cowl Muffler for ST90  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> SuperTigre Engines Support >> In-cowl Muffler for ST90
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In-cowl Muffler for ST90 - 4/30/2002 12:54:38 AM   
andybuch



Posts: 35
Joined: 3/17/2002
From: fairfax, VA, USA
Status: offline 		I have a SuperTigre .75 in my TF P-47 (60 size, @ 11.75lbs http://www.rcuniverse.com/gallery/index.pl?photo=351) now. The plane flies well but is under powered with the .75. So I want put in a ST .90 for more power, but the TF in-cowl muffler will not work with the 90 size engine. Any advice on how to solve this problem?? are there any modifactions that I can make to the TF Muffler?

Thanks
Andy
       Post #: 1

In-cowl Muffler for ST90 - 5/1/2002 12:42:06 AM   
amcross



Posts: 2644
Joined: 1/8/2002
From: Tuscola, IL, USA
Status: offline 		Andy,
Wow! Is she glassed and painted by any chance? There is not an incowl i know of off hand that would be a direct fit/replacement to put your ST90 into that plane, no. You might consider going to a more powerful powerplant still within the model's power range. I would consider, esp if hte model is taking nose weight, a high weight high power engine like a YS120 pumper.


_____________________________

Sincerely,
Mrs AnnMarie Cross
Owner, Cross Winds Stables and Equine Rescue, Inc.
an Illinois 501c3 nonprofit charity corporation

(in reply to andybuch)
       Post #: 2

In-cowl Muffler for ST90 - 5/1/2002 12:50:51 AM   
andybuch



Posts: 35
Joined: 3/17/2002
From: fairfax, VA, USA
Status: offline 		Yes she is glassed and painted . She weighted 10.5lbs before I had to add 15oz of nose weight.

How about the RCV120-SP with a four bladed (15.5x12 @ 5500) prop? This way I will not have to hack up the cowl....

Andy

(in reply to andybuch)
       Post #: 3

In-cowl Muffler for ST90 - 5/1/2002 4:31:54 PM   
amcross



Posts: 2644
Joined: 1/8/2002
From: Tuscola, IL, USA
Status: offline 		hI ANDY! Not familar with the RCV so i really can't say. The 4 blade will decrease your performance dramatically, but if the engine brings you enough power, you then dont have to worry about aircraft damage from the engine.


_____________________________

Sincerely,
Mrs AnnMarie Cross
Owner, Cross Winds Stables and Equine Rescue, Inc.
an Illinois 501c3 nonprofit charity corporation

(in reply to andybuch)
       Post #: 4

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> SuperTigre Engines Support >> In-cowl Muffler for ST90
Page: [1]





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