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-   -   DA 50 do not idle down in flight. Help. (https://www.rcuniverse.com/forum/gas-engines-142/1958934-da-50-do-not-idle-down-flight-help.html)

serge1 07-03-2004 09:53 PM

DA 50 do not idle down in flight. Help.
 
Greetings,


OK here we go. When the plane is on the ground everything is fine: Idle, midrange, top end etc....Evrything works perfect. However when in the air The engine don't idle down. I have to
lower my trim to maximum to land the plane and wait about 30 sec for the engine to idle down.

The tank, clunk and tubing are all fine .

Am I running to lean?? I am confuse.

Any idea?

Thanks
Serge

mdavies31 07-03-2004 10:14 PM

RE: DA 50 do not idle down in flight. Help.
 
To lean on the low needle will cause it not idle down, open it up an 1/16 turn at a time till it burbles midrange then close it back a 1/16, should be perfect. Keep in mind riching the low speed needle also will richen the top end.

Flyfalcons 07-03-2004 10:16 PM

RE: DA 50 do not idle down in flight. Help.
 
Yep what mdavies said, too lean on the low end.

Antique 07-04-2004 12:06 AM

RE: DA 50 do not idle down in flight. Help.
 
Too lean on the low end will cause it to die when the throttle is opened...[8D]

Flyfalcons 07-04-2004 01:53 AM

RE: DA 50 do not idle down in flight. Help.
 
Okay how about "not rich enough" :eek:

wvr 07-04-2004 10:34 AM

RE: DA 50 do not idle down in flight. Help.
 
I agree: to lean on the low-needle, try the following, open up the low-needle, the high rpm will be to rich, so you have to close that one a bit. Try this with small adjustments. You will find a point where the engine can idle all day long, and still pick up for full power.

Winfried

serge1 07-04-2004 10:50 AM

RE: DA 50 do not idle down in flight. Help.
 
Thanks all for the input. I will richen the low needle and keep you posted.

Thanks again.

Serge
:D:D:D

sea157 07-06-2004 08:42 PM

RE: DA 50 do not idle down in flight. Help.
 
Did richening the low needle help this?

serge1 07-07-2004 10:23 AM

RE: DA 50 do not idle down in flight. Help.
 
Greetings,


Problem solved. You were right guys....The low neadle was to lean.

The engine is now running fine.

Thanks again

Serge
:D:D:D


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