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MX7-180B Power Settings
Posted: Sun Aug 20, 2023 10:23 am
by Gearjerker
Hi All...
New to the board and to Maules... I'm trying to find a cruise power setting chart for the O-360 with the Hartzell constant speed prop. I'm sure someone on here has come up with one but in my searching I've been unable to turn it up.
Re: MX7-180B Power Settings
Posted: Sun Aug 20, 2023 2:23 pm
by Kirk
If you are just looking for power settings charts start here:
http://www.meyette.us/LycomingEngineNumbers.htm
Find what aircraft have a similar engine/prop combination, then do a web search for power settings tables for those aircraft.
That’s what I did for the O540-J1A5D and found the PA28-235 and Piper Pawnee have similar engines.
Alternatively, search the Lycoming Operator’s manual and you will find power settings tables there. Some of the graphs are quite convoluted.
Kirk
Re: MX7-180B Power Settings
Posted: Mon Aug 21, 2023 3:59 am
by andy
Here's a link to the Lycoming performance chart for the O-360 A - C series engines:
https://www.maulepilot.com/lycomingperformance.pdf
I usually cruise at 22/2330 in my MX-7-180 which gives me about 9.5 gph and 95 kts. That's about 68% power.
Re: MX7-180B Power Settings
Posted: Mon Aug 21, 2023 6:35 am
by Hogy59
Go to the Textron Lycoming website, search for O-360 owners manual. The chart is in section 3 of the manual. The book is for several different models, so make sure u get the chart for the O-360-C1F, which should be the engine u have on an MX-7-180B….