REFLECTOR: Hot Start IO-550N

[Robert Wood]

Bob Wood
Sent from my iPad

On Aug 16, 2011, at 11:30 AM, William Walker <blwalker105 at sbcglobal.net> wrote:

> Bob,
> 
> My engine is actually a Performance Engines IO-550 EXP, which is similar in architecture to a 550N. Same fuel system and induction setup, just balanced better with a proprietary camshaft, 10:1 pistons, and a 2800 RPM limit. 
> 
> Yes, especially with the MT prop's lack of mass, one must retard the throttle quickly, but I have found that as the engine catches, it does not spin up like a cold, full-throttle start. Remember, it is getting a combination of fuel and fuel vapor so it's a comparatively leisurely spin-up. I have dual throttles with all of the attendant stiction from those two 13 ft cables, and I have not had any difficulty retarding the engine quickly enough. 
> 
> Bill
> 
> 
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