UL Power Forum (83)

Discussions Replies Latest Activity

Header tank

Does anyone have a 350 is set up with a header tank?  During my early testing of 515ZC I had a forced landing secondary to fuel starvation…

Started by Fred Williams

12 Jan 12
Reply by Dean Blood

ULPower 15 hr engine service

Just finishing the 15 hr service after rebuild on my UL350iS.  Required a torque check on the cylinder head bolts.  If torque has loosened…

Started by David J. Beaulieu

7 Jan 12
Reply by David J. Beaulieu

Catto props and UL engines

Anyone else running this combination?   If so, any noted issues?  Thanks!

Started by David J. Beaulieu

10 Jan 9
Reply by Bob Widmer

Oil Cooler Question...

I currently have an Aero-Classic oil cooler installed on my 350is. I replaced the factory oil cooler prior to first flight. The factory coo…

Started by Scott Miller

4 Jan 6
Reply by Scott Miller

Regulator/Rectifier Replacement

My R/R connector burned last week and I have been doing a lot of research on this topic.  Has anyone changed their R/R from the factory sup…

Started by Scott Miller

13 Jan 1
Reply by Perry Hyden

Oil dipstick door

I'm about to install the engine oil dipstick door on my cowling. The point where the dipstick door needs to be placed is right on the creas…

Started by Ronald J Stamschror

12 Dec 28, 2020
Reply by Perry Hyden

Prop advice for ULPOWER 260is

Hello, I am in the process of building CH701 with UlPower 260is. I am trying to match a perfect prop for this combination. From what I hear…

Started by Adam Bobkowski

2 Dec 22, 2020
Reply by Adam Bobkowski

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

11 Dec 14, 2020
Reply by Scott Miller

Fuel Injectors - 350iS

Have a bad injector. UL part number #E062501.  Anyone know who makes them, Bosch? number?  

Started by Greg Booker

2 Dec 8, 2020
Reply by Greg Booker

Not Getting Fuel

I need some help here. I added fuel to the wing tanks today and I can't get fuel to the engine. The fuel flows nicely all the way to the ga…

Started by Mark Pensenstadler

10 Nov 24, 2020
Reply by Greg Booker

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