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What kind of max RPMs are you getting from your IO540

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Mauledriver(at)nc.rr.com
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Posted: Fri Oct 07, 2011 5:23 pm Post subject: What kind of max RPMs are you getting from your IO540

I do test, just once, and very briefly.  It's the way I was taught.  I'm 

taking more than a second to push the throttle.



I'll be paying a lot more attention to these things the next couple of 

takeoffs - we'll see.

On 10/7/2011 8:36 PM, Bob Turner wrote:

 	  Quote: 	
		   



 PS to Bill:



 You shouldn't be seeing a 150 RPM overrun of the governor, if you're taking at least a full second or more to push the throttle in. Either the oil hasn't warmed up, or the oil passage is clogged a bit, or something else. You do test the prop once or twice during run up, to get warm oil up there, right?



 --------

 Bob Turner

 RV-10 QB





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=354354#354354

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Mauledriver(at)nc.rr.com
Guest

Posted: Sat Oct 08, 2011 3:15 pm Post subject: What kind of max RPMs are you getting from your IO540

I like that.  I'm on a bumpy turf strip so that approach may have 

several advantages.

do not archive

On 10/7/2011 10:15 PM, Kelly McMullen wrote:

 	  Quote: 	
		   



 Given the acceleration of the -10, on all but a sub-1000ft strip, I

 would ease the throttle in slowly enough that you are at rotation

 speed when you got full throttle(i.e. more than 5 sec). I don't like

 to shock the plugs or cylinders with rapid throttle increases, and

 learned years ago that very slow throttle addition prevented rock

 dings in the prop when operating off gravel strips.

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