I have searched and searched and these are the Zenith airplanes I've found that are using the UL Power engine. I'm trying to find at least one person who can say, "I have 200 or 300 or 500 hours on my UL Power engine and I haven't had any issues." Why is no one posting information about their experiences with this engine online? I've only heard negative things (including negative issue with both of the UL Power engines used on the factory Cruzer and 650!)

Looking for some positive experiences....

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You might try contacting one of the UL Power dealers and ask if there are any Zenith owners with UL Power engines installed who would be willing to talk to you about their experiences. I see there's a dealer in Lake Ozark, Missouri, which is about 90 miles from Zenith who might be able to help.

ULPower LLC - Robert Helms

1189 Duckhead Road, Suite 1A
Lake Ozark, MO 65049

Robert Helms (General Manager)

Tel: 573-434-0075
E-mail: rhelms@ulpower.com
Facebook: facebook.com/ULPower

Edit - Looking at the FAA registry, N650FM is registered to David Ferrell in Durham, NC, and is equipped with a UL Power 350 IS.

By searching the registry for Zenith model numbers, you'll probably be able to find more.

http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertx...

Mark, check out this thread started by Robert Helms:

http://www.zenith.aero/forum/topics/ul-power-q-a

Also, I found a few more 650s and 750s equipped with the UL 350IS:

I've already read that thread you are referring to, but again, there's no useful information there. It's just a bunch of comments like, "I like the engine...thinking about buying one..."

Id' really like to hear from the people who ARE using it and ARE flying with it. Maybe they are all too busy flying instead of sitting in front of a computer?

Several of the owners listed in my post above are members here, but don't seem to have had any recent activity except for Kevin Lippert who has his 750 posted for sale:

http://www.zenith.aero/forum/topics/2016-zenith-750-for-sale?xg_sou...

Mark,

I am flying a 650 with UL 350i . I have 160 hours on my plane and have been very pleased. My plane N650SJ is the orange 650 in the middle of the pictures above. The picture is taken at ground level at a Zenith Open Hanger day.

A few teething problems in infancy of plane, but not more than I expected with my first homebuilt plane.

Assistance from Robert Helms has been outstanding when I was installing the engine and throughout the last 18 months.

I have 3 oil changes with analysis by Blackstone Oil Analysis Labs and things are looking good as I build hours.

I would be more than happy to visit with you about my experiences.

I believe a key for me has been using "ONLY"  91 unleaded auto fuel.

These engines do not like (my opinion) 100LL as a constant diet. I would be willing to mix some into my tank to get home, but would plan my trips for MoGas.

I am waiting anxiously for Swift 94 or the FAA approved unleaded fuel to reach the market. Then we UL flyers will be good everywhere. The engine is ahead of the timing for unleaded fuel market, but that hopefully will be changing soon.

Let me know if you would like to visit on the phone.

I am not an expert by any means, but would be happy to share my experiences with you in conversation rather than lengthy emails etc..

Jerry

That's good to hear, Jerry.

My January issue of EAA Sport Aviation came in yesterday's mail, and there's a nice article by Steve Ells about Swift's 94UL in his O-360-A1A powered Comanche. I discovered that 94UL is available at San Carlos (SQL), just across S.F. Bay from Oakland (OAK), my home airport, and it's 10 cents a gallon cheaper than 100LL. It's also lighter (5.79 pounds/gallon for 94UL vs. 5.94 pounds/gallon for 100LL).

RSS

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