WOT?

[Rookie]

How many of you guys run your IO360 wide open throttle only adjusting prop and mixture?

[KSMooniac]

All the time, only reduce for approach/landing.

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[Oldguy]

+1

[ArtVandelay]

Only above 5000', and I run a 2400rpm, I like to keep it 65% power or less, and always LOP.

[gsengle]

I know you asked re Io360, but on the IO550 same deal, climb WOT, only reduce if altitude hasn't already brought mp down to 24 or below...


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[Bob - S50]

Only above about 6500' or so for me.

[201er]

1 hour ago, bluehighwayflyer said:

Me too, except when cruising at such low altitude that it won't run smoothly that far LOP, in which case I retard the throttle slightly for smooth operation.  My GAMI spread is good but not perfect.

Jim

How else to fly a NA Mooney?

[kevinw]

I'm sure most have read this but good info for Rookie. http://www.mooneypilots.com/mapalog/cruisepower.html

[carusoam]

I didn't see a date on there...

Post Eagle, but pre-O3 and Acclaim...

mixture, climb in the blue box and cruise just barely LOP above 8k'....

Keep an eye on CHTs...

Best regards,

-a-

[Brandontwalker]

WOT here unless just on a sightseeing trip, then pulled way back to 6 gals/hr.

[1964-M20E]

WOT except for decent and sight seeing but when I'm going somewhere I rarely fly below 5,000' usually between 8,000 and 11,000

 

 

[PTK]

WOT is my SOP. Only exceptions are when flying around at 3K feet or below and/or in really cold wx to avoid overboosting mp and when want to go slow for apprach to land or sightseeing.

[Jeev]

All the time unless I am puttin' around under 5000ft sightseeing.

[Hank]

17 hours ago, 1964-M20E said:

WOT except for decent and sight seeing but when I'm going somewhere I rarely fly below 5,000' usually between 8,000 and 11,000

 

 

You reduce throttle to descend? I walk the throttle back and mixture forward as I come down to maintain my cruise MP and EGT, until I'm ready to slow down and enter the pattern.

Edited December 21, 2016 by Hank

[1964-M20E]

Initially when I begin to descend I nose over to establish 500fpm and then trim control pressures away.  I then check MP at 24" and adjust mixture to maintain proper temps and about 2 to 3 miles from my destination I begin to slow down to set up for landing.  If I have to descend faster for whatever reason I reduce MP accordingly.

[aaronk25]

Wot for me too but remember if your more than 50lop, it is more efficient to reduce the throttle than it is to lean. If we could advance the timing then we could run 50lop efficiently.

Actually I've found best efficiency is about 20lop.


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[ArtVandelay]

2 hours ago, aaronk25 said:

Wot for me too but remember if your more than 50lop, it is more efficient to reduce the throttle than it is to lean. If we could advance the timing then we could run 50lop efficiently.

Actually I've found best efficiency is about 20lop.

 

Before annual (had mags serviced), 50° LOP, after annual 20° LOP, my engine plate says 20°, I'm pretty sure is was 25°. Technically I'm suppose to lose some performance, but if I have it's only a couple of knots.