lml@lancaironline.net Mailing List Archive

assuming you are talking LOP here.

Interesting to see what John Deakin would say but I think higher MP just means you are forcing more air through the engine.

I think the only reason to use higher MP would be to get enough cabin pressure.

----- Original Message -----

From: Isaac Heizer

To: lml@lancaironline.net

Sent: Thursday, October 08, 2009 8:13 PM

Subject: [LML] LOP MP setting for TSIO-550E

My ES-P has a TSIO-550E with GAMI injectors, and i've recently been through advancedpilot's web LOP course. But I'm still unclear on at least one point.

My TSIO-550E will happily run at 17.5 GPH at a MP of any of 30, 31, 32 (among others). All cylinders remain below 380, and TIT is reasonable.

My understanding is multiplying 14.7 x GPH yields HP, in this case 73.5% power

Is it 73% power no matter how I set the MP, so long as temperatures remain in control? If that's true, why would I select one MP over another (realizing I can't run wide open throttle)?