Zenith Aircraft Builders and Flyers
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UL Power Forum (138)
| Discussions | Replies | Latest Activity |
|---|---|---|
MANIFOLD AIR TEMPERATUREI WOULD LIKE TO KNOW OF ANYONE WHO HAS THE UL POWER 350 ENGINE AIR FILTER PLACED ON THE SIDE WITH A SEPARATE AIR INTAKE, AND NOT IN THE ORI… Started by MARIO FERNANDO ROCA |
1 |
Jun 7, 2023 Reply by Bob Simmons |
Has anyone got or flown behind a UL Power 390isInterested to hear your comments and which plane it was in. John. Started by John Goodwin |
0 | May 23, 2023 |
Anyone have a UL 520IS or T on a 750 SD ?We are building a 750SD. We looked into buying a Titan x-370 for it but delivery is at least a year out. The UL 520 delivery is supposedly… Started by Joe Bates |
6 |
Jan 31, 2023 Reply by David J. Beaulieu |
Run in speedI am planning on putting a UL 350iS in my CH601. The manual says to maintain 80% power for the first 15 hours. Could someone with a UL 350i… Started by Mark Hubelbank |
4 |
Nov 18, 2022 Reply by Michael Shewan |
Power DropFolks, I have a head scratcher type puzzle. On climb out my 350i occasionally has an unscheduled power drop of around a hundred rpm. Not e… Started by Ralph Powell |
18 |
Nov 3, 2022 Reply by Ralph Powell |
Fuel pump optionsHas anybody had to replace their fuel pumps? I have had recurring leak issues on the copper washers (against the pump houssing), annealing… Started by John Bell |
5 |
Oct 27, 2022 Reply by Jean Christian Mikellides |
Zipper Big Bore KitHi to anyone who has information about the Zipper Big Bore Kit for the 912S Rotax engine. I am interested in increasing the HP of my 912S… Started by Allen Buckley |
1 |
Oct 6, 2022 Reply by Mel Asberry |
Securing the Oil Drain PlugThis site has addressed what to do for securing the oil filter, any suggestions with regard to the oil drain plug? Drilling the bolt head… Started by Joe Stephens |
3 |
Oct 1, 2022 Reply by David J. Beaulieu |
Throttle spring on UL350I'm not a fan of throttle spring to wide open. Has anyone removed this feature? Will removing it affect warranty? Started by Mel Asberry |
9 |
Sep 17, 2022 Reply by John Bell |
Spark Plug CarbonI have had a problem with my number 3 cylinder for awhile now. Both spark plugs carbon up quickly and I am not sure what is causing it. A… Started by Scott Miller |
4 |
Aug 31, 2022 Reply by Ralph Powell |
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