HawkerPilot2015
Joined: 10 Jan 2006
Posts: 503
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 Posted: Thu Sep 13, 2007 8:01 am Post subject: MF'ing air system! Yak-50 |
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I was having some problems with my air system and found a leak on my right gear actuator. Both were sent for overhaul and the right cap was found to have had a crack in the cap. Not the first time this had been found either. There was JB weld on it....wonder where that came from??
Anyway, I had two new caps machined by the fine folks in Phoenix and got the actuators back. They came back tested, were installed, leak tested, gear was swung, and nothing was found. Good stuff.
Fire up the airplane, take off, put the gear up and I use about 20+ ATM and they go up a bit slower than normal. In the past, you knew they came up and when they went down. Now, they take what seems an eternity and have (a few times) taken some help for some +/- G's to get them to lock.
I had to make a major change to the system when my primary bottle went TU. I had to use a -52 main which is 11 liters compared to six liters on the -50. It also had to be mounted aft of my seat instead of the aft side of the firewall. Before the bottle issue, the gear would swing nicely. There are no leaks around the bottle. The compressor does a nice job of refilling the system.
I am no engineer but I am getting very frustrated. Should I look somewhere else for a leak? Could this be the larger bottle causing problems. Bad seals in the actuators?
I am at a loss...
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