temp parameters for a Brison 106cc
02-12-2006, 07:32 AM
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temp parameters for a Brison 106cc
Anyone know the running temp for the 106cc Brison. On the ground I'm at about 200 but have not gotten her back into the air yet. So she may be a little cooler. Cowl is baffled.
02-12-2006, 01:19 PM
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RE: temp parameters for a Brison 106cc
200 is acceptable. 300 would be on the edge. In the air it will cool from that quite a bit. Even when it's on the ground, reducing the rpm to idle cools the engine very quickly. Don't forget that those little temp guns are almost impossible to use accurately, and are useless for checking temps immediately after a flight.
02-12-2006, 01:59 PM
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RE: temp parameters for a Brison 106cc
Here is an interesting thread to read.
Check your plugs, if they look the right color and you have baffling don't worry.
Just go fly and have fun.
http://www.rcuniverse.com/forum/m_96.../tm.htm#964307
Check your plugs, if they look the right color and you have baffling don't worry.
Just go fly and have fun.
http://www.rcuniverse.com/forum/m_96.../tm.htm#964307
02-12-2006, 03:26 PM
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RE: temp parameters for a Brison 106cc
RTK,
Good call on the thread. The last post from RCIGN on the first page is dead on accurate and very similar to conditions I and many others have experienced in the "field" working with standard r/c twin gassers. There is absolutely no way a person can obtain an accurate engine temperature without the addition of thermocouples and a data logger to the engine. Even then, if the thermocouples are not installed correctly, i.e., under the spark plug boss, a less accurate temp would be noted. Those that are noting engine temps of 180 to 225 are not obtaining a true reading of the actual engine running temperature. They may think they are, but it's not possible. No intercoolers or liquid supplied radiators.
In real world practice, temps of 300 to 375 are pretty common, especially with twins, and will not damage the engine. BTW, those 300 plus temps can be noted on an engine hanging out in the wind or cowled.
Pat
Good call on the thread. The last post from RCIGN on the first page is dead on accurate and very similar to conditions I and many others have experienced in the "field" working with standard r/c twin gassers. There is absolutely no way a person can obtain an accurate engine temperature without the addition of thermocouples and a data logger to the engine. Even then, if the thermocouples are not installed correctly, i.e., under the spark plug boss, a less accurate temp would be noted. Those that are noting engine temps of 180 to 225 are not obtaining a true reading of the actual engine running temperature. They may think they are, but it's not possible. No intercoolers or liquid supplied radiators.
In real world practice, temps of 300 to 375 are pretty common, especially with twins, and will not damage the engine. BTW, those 300 plus temps can be noted on an engine hanging out in the wind or cowled.
Pat
