Zenith Aircraft Builders and Flyers
Online Community of Zenith Builders and Flyers
UL Power Forum (134)
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SB for: Composite Design manufactured control panel for all UL enginesTime of compliance: Before next flight Reason for this bulletin: Several customer have had a loss of ECU power due to an undetermined issu… Started by Herman EshuisLatest Reply |
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Fuel Valve for 350i engineSo I am working on the fuel system and shopping for a fuel valve . I have looked at those available from Aircraft Spruce. I am thinking abo… Started by William Oliver |
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12 hours ago Reply by William Oliver |
1000 Hrs on the Hobbs!Just broke the 1000 hour mark on my 350i engine! Yes, it still runs, no it is not time for overhaul. Starting to show some signs of aging.… Started by Ralph Powell |
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Sep 9 Reply by Ralph Powell |
Oil Filters for 350isAll, For those interested, the following filters appear to fit on the 350is. This list came from an earlier discussion on the Cruzer forum.… Started by Ralph Powell |
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May 24 Reply by J Ragsdale |
HELP----Ul260iS High oil temperaturesHello everyone! I'm currently in Phase 1 with my 701 and working some kinks out. I love the engine, but I'm battling higher-than-normal oil… Started by Chris Elliott |
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May 22 Reply by Larry Koepke |
Wet Oil Air Oil Separator HoseAll, My oil return line is always wet with oil. Replaced the pinch clamps on elbow with worm screw hose clamps and this did not help. Any… Started by Ralph Powell |
0 | Apr 2 |
30 Amp regulator/ rectifierI know there has been a lot of discussion about burned wires and connectors on the UL unit, but some builders have had good luck as well. I… Started by Dean Blood |
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Apr 1 Reply by Dean Blood |
SB for: Composite Design manufactured control panel for all UL enginesTime of compliance: Before next flight Reason for this bulletin: Several customer have had a loss of ECU power due to an undetermined issu… Started by Herman Eshuis |
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Dec 13, 2023 Reply by Tom Sullivan |
ULPower 350i Throttle SpringI’m kicking around the idea of releasing the throttle spring that pulls spring tension forward to WOT position. I have dual throttle contr… Started by Dave Blackburn |
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Nov 29, 2023 Reply by Larry Brons |
UL260iS zenith 701 high density altitude performanceHello! I look to potentially be relocating to Colorado and was wondering if anyone has had any experience with high density altitude and ul… Started by Chris Elliott |
0 | Oct 19, 2023 |
Using AVGAS 100LL with 350i questionThe operations and maintenance manual don't really list the 100LL for the 350i. It is listed as an alternate fuel of 100LL for the 350iS. … Started by Dave Blackburn |
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Oct 17, 2023 Reply by Dave Blackburn |
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