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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> YS Engines Support >> H
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H - 2/27/2007 2:10:36 AM   
wild330


 

Posts: 33
Joined: 9/8/2003
From: Santiago, CHILE
Status: offline 		Hi Troy,
I have been using NMP exhaust on my 160 engines, the truth is that I am tired of changing the hatori 821 o`ring . They last no more than 6 galons of fuel.
Do you have any experience of this combo with the Central Hobbies viton o`ring replacement?
I didn`t buy the hatori header because I saw Marcelo Colombo hatori`s header coming loose almost every 2 flights, any reports upon these combos? Any solution for these problem?
Which combo do you prefere?

I live in Chile , and our experience with the 160 is very poor.

Best regards,
Patricio.
       Post #: 1

RE: H - 2/28/2007 5:05:22 AM   
Troy Newman


 

Posts: 2429
Joined: 12/30/2001
From: Goodyear, AZ, USA
Status: offline 		6 gallons seems a bit low...I have run this a bunch and usually change the o-ring about 75-100 flights. The Central Hobby Replacement O-ring is a different size than the hatori. The NMP header is 5/8" and the Hatori is 15mm. So the O-ring size is changed to fit the NMP header. You might have better luck. If you assume about 8 flights per gallon then you should be getting 8-9 gallons per o-ring. If you are not perhaps some better cooling may help.

Troy Newman
Team YS Performance

(in reply to wild330)
       Post #: 2

RE: H - 2/28/2007 5:40:06 AM   
wild330


 

Posts: 33
Joined: 9/8/2003
From: Santiago, CHILE
Status: offline 		Thanks,
Patricio.

(in reply to Troy Newman)
       Post #: 3

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