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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> Os .46 La
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Os .46 La - 6/16/2003 7:07:13 AM   
Cessna26



Posts: 430
Joined: 6/15/2003
From: Salt Lake City, UT, USA
Status: offline 		I am going to get an OS .46 LA engine for my Avistar. What kind of fuel should I use for it?


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T. Buhler
Cessna26
       Post #: 1

Os .46 La - 6/16/2003 9:48:57 AM   
downunder-RCU



Posts: 1125
Joined: 12/27/2001
From: Adelaide, South Australia
Status: offline 		If you want it to last a very long time then use 22% all castor. This is for proper lubrication of the plain bearing. Nitro content is up to you but 5% should be sufficient.

(in reply to Cessna26)
       Post #: 2

Os .46 La - 6/16/2003 5:45:18 PM   
MECHANIC


 

Posts: 25
Joined: 2/23/2002
From: Eastern PA
Status: offline 		I have run a lot of 46LA's. I also work on them. DOWNUNDER is correct. You need mostly castor oil to get good life out of these engines. I have found that SIG 5%NITRO-20%CASTOR with 4 ounces of KLOTZ added per gallon makes a good fuel. This gives 23% total oil. The KLOTZ seems to keep the engine cleaner inside. Never run the engine too lean. Always back it off rich a few hundred RPM. I think that the engines with peeled nickle liners are usually abused by being set too lean without enough oil. This is my two-bits worth.

Regards, Duane

(in reply to Cessna26)
       Post #: 3

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