UL Power Forum (98)

Discussions Replies Latest Activity

Hall/RPM Sensor Oil Leak

Has anyone else experienced small amounts of oil leaking around the Hall/RPM sensors on the back of the engine block?

Started by Scott Miller

16 Oct 13
Reply by Ralph Powell

Cylinder head woe!!

Submitted for you reading pleasure... Been having gradually increasing CHT on my #4 cylinder over the past two weeks.  Last flight resulted…

Started by David J. Beaulieu

9 Oct 6
Reply by David J. Beaulieu

Oil Leak Front Main

Having a heck of a time with an oil leak. Front main seal seeps just enough to be vexing. Oil film builds up on right side of windscreen ba…

Started by Ralph Powell

2 Sep 10
Reply by Mark Schoening

UL260i Question

Hello! I'm looking for some advice. I am looking at a Zenith 701 with a UL260i. The paperwork states that it is a 95HP, but everything I h…

Started by Chris Elliott

7 Sep 8
Reply by Eric Johnson

Dual Throttle cables

Hey guys, do any of you have pictures of a dual throttle set up for a UL350? Considering one for a CH750 STOL.

Started by James W Johnson

1 Sep 6
Reply by David J. Beaulieu

Post your UL350IS Oil Pressures

What are you guys experiencing with oil pressures on the UL350IS engines...? I'm looking for the following values: Idle Full throttle hot…

Started by Vern Snodgrass

3 Jun 30
Reply by Douglas Kupersmith

Carbon Fiber Cowling for my ULPower 350is powered STOL CH-750

I was told my cowling is the third one off the molds from Aviation Composites.  I'm starting this thread to show chart my progress with ins…

Started by Timothy Aanerud

4 Jun 10
Reply by Thomas Godbout

New Service Bulletin 2021-02

Relates to the throttle position sensor

Started by David J. Beaulieu

2 May 31
Reply by David R Ferrell

Build Update and Engine Question

Fuselage is finished and working on the tail for my 750SD. I hope to have significant progress by end of this fall. Decided on a Dynon pack…

Started by Bob Widmer

0 May 24


FYI,  UL mufflers (at least for the 350iS) now come from the factory with a reinforcing gusset to the exhaust pipe flange.  I repaired my o…

Started by David J. Beaulieu

35 May 17
Reply by David R Ferrell


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