SPOOL UP TIME : 7 sec  
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All Forums >> RC Airplanes >> RC Jets >> Turbine Clinic >> Merlin Turbine Clinic >> SPOOL UP TIME : 7 sec
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SPOOL UP TIME : 7 sec - 4/11/2008 7:50:09 AM   
captainjacobs


 

Posts: 29
Joined: 1/19/2004
From: , FRANCE
Status: offline 		My merlin 160-2 has a low acceleration rate : 7 seconds from idle to full RPM (118000).
It seems that usual spool up time is 4 sec for this turbine.
I cannot change the acceleration delay in the ECU as this Fadec is access limited. I can only change max rpm in the run parameters.
One of you could help ?
Thanks.
       Post #: 1

RE: SPOOL UP TIME : 7 sec - 4/11/2008 4:33:13 PM   
seanreit



Posts: 6638
Joined: 4/17/2002
From: Cedar Park, TX, USA
Status: offline 		If it's a new problem, I would suggest it's a blockage and you need to look at your pump voltages. Just a thought anyway. Filters? Are they clean?

(in reply to captainjacobs)
       Post #: 2

RE: SPOOL UP TIME : 7 sec - 4/11/2008 6:17:26 PM   
captainjacobs


 

Posts: 29
Joined: 1/19/2004
From: , FRANCE
Status: offline 		I'm not sure that it's a new problem. It's the first time I measure the spool up time precisely.
I already checked my installation : fuel lines, filter.
I tried today another fadec (a generic one, not limited) with standard parameters for the merlin, and the spool up time was normal this time at 4 sec.
So I think that it's a fadec problem.

(in reply to seanreit)
       Post #: 3

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All Forums >> RC Airplanes >> RC Jets >> Turbine Clinic >> Merlin Turbine Clinic >> SPOOL UP TIME : 7 sec
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