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#1
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Well, yesterday I paid for my third of my airplane
Congrats, Wayne. Welcome to the world of the joyously impoverished! ![]() -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#2
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Checked it out today. The mount only has a latch, rather than an allen type
screw, and it only latches on the right side. It's hard to explain with typing, but the mount seems to be twisted slightly. If you slide the unit straight in, the right side seats in about a quarter of an inch before the left side. When you push the left side in, it slides the rear of the mount to the right, squaring it up as it goes. I can't see any way to anchor it to the right as needed, if it had a slot for the latch on the left side, I would move the latch to that side, even though it would be quite a pain to unlatch then. I'll have to take some picures of it and see if anyone has an idea. Wayne "Nathan Young" wrote in message om... "Wayne" wrote in message ... Well, yesterday I paid for my third of my airplane, the 175B that I Congrats! Other than that, the DME is loose but works if you push it in and the com 1 seems a bit weak on transmit. Most avionics are held in place via a single screw that can be accessed using a long (5" or so) allen wrench from the front panel. You may want to get or borrow one of these allen wrenches to verify your DME is seated properly. -Nathan |
#3
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Okay, I read what I could find. Well written by the way. I guess I need to
do a voltage check to see how high it is going when it shuts off. I would think the regulator would take care of that and it's brand new. Is the OVP inside the alternator or where? Asking that just in case it is cutting out too low. Thanks Wayne "mikem" wrote in message ... On Thu, 14 Aug 2003 21:49:41 -0400, "Wayne" wrote: . . . There was a problem with the chargins system too. It wouldn't charge, I'd turn the master off, back on and it would charge like mad and then cut out again. I cut the flight short because of it, but on the ground after I cycled the master again, it charged fine. The regulator was just replaced on Monday. Any ideas of what would cause it? Do a "Google Groups" search on "Over Voltage Protection" OVP in rec.aviation.* Much has been written (including by me) about this syndrome. MikeM |
#4
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I will be more joyful when we get some flying weather and I get on the
insurance! I'm already with you on the impoverish though. Wayne Congrats, Wayne. Welcome to the world of the joyously impoverished! ![]() -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#5
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Newer Cessnas have an OVP built into the same can as the VR. Older
ones didn't have an OVP. Since yours was field modified during the engine conversion, the OVP could be a module separate from the VR, or could be built into the VR. If adjustable, then the OVP should trip at 15.5 V. If it is tripping spuriously, then it might be time to replace (or add) a filter capacitor across the wires where the OVP senses the bus voltage. MikeM On Fri, 15 Aug 2003 15:53:26 -0400, "Wayne" wrote: Okay, I read what I could find. Well written by the way. I guess I need to do a voltage check to see how high it is going when it shuts off. I would think the regulator would take care of that and it's brand new. Is the OVP inside the alternator or where? Asking that just in case it is cutting out too low. Thanks Wayne |
#6
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Check the integrity of the alternator side of the master switch, the field
breaker and the field wiring. If anything has a high resistance, it can cause this type of behavior. The master switch is a prime suspect. mikem wrote: Newer Cessnas have an OVP built into the same can as the VR. Older ones didn't have an OVP. Since yours was field modified during the engine conversion, the OVP could be a module separate from the VR, or could be built into the VR. If adjustable, then the OVP should trip at 15.5 V. If it is tripping spuriously, then it might be time to replace (or add) a filter capacitor across the wires where the OVP senses the bus voltage. MikeM On Fri, 15 Aug 2003 15:53:26 -0400, "Wayne" wrote: Okay, I read what I could find. Well written by the way. I guess I need to do a voltage check to see how high it is going when it shuts off. I would think the regulator would take care of that and it's brand new. Is the OVP inside the alternator or where? Asking that just in case it is cutting out too low. Thanks Wayne -- --Ray Andraka, P.E. President, the Andraka Consulting Group, Inc. 401/884-7930 Fax 401/884-7950 http://www.andraka.com "They that give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -Benjamin Franklin, 1759 |
#7
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I will check the voltage. What size cap would i need to use?
Wayne "mikem" wrote in message ... Newer Cessnas have an OVP built into the same can as the VR. Older ones didn't have an OVP. Since yours was field modified during the engine conversion, the OVP could be a module separate from the VR, or could be built into the VR. If adjustable, then the OVP should trip at 15.5 V. If it is tripping spuriously, then it might be time to replace (or add) a filter capacitor across the wires where the OVP senses the bus voltage. MikeM On Fri, 15 Aug 2003 15:53:26 -0400, "Wayne" wrote: Okay, I read what I could find. Well written by the way. I guess I need to do a voltage check to see how high it is going when it shuts off. I would think the regulator would take care of that and it's brand new. Is the OVP inside the alternator or where? Asking that just in case it is cutting out too low. Thanks Wayne |
#8
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The master switch only closes the master solenoid though right? This plane
doesn't have a separate switch for alternator. It's a 61 and had a generator originally I believe. The fact that is goes out at high RPM makes me think it is either over voltage, or a loose connection moving from the engine vibration. Don't know though. Wayne "Ray Andraka" wrote in message ... Check the integrity of the alternator side of the master switch, the field breaker and the field wiring. If anything has a high resistance, it can cause this type of behavior. The master switch is a prime suspect. |
#9
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Check your master switch from the back. Pipers have two poles on one actuator,
one is used to control the master relay, the other connects the alternator field circuit to the buss. The side that handles the field circuit handles several amperes, so the switches tend to get a bit cranky with age. It should show it in the electrical schematic in your POH. Wayne wrote: The master switch only closes the master solenoid though right? This plane doesn't have a separate switch for alternator. It's a 61 and had a generator originally I believe. The fact that is goes out at high RPM makes me think it is either over voltage, or a loose connection moving from the engine vibration. Don't know though. Wayne "Ray Andraka" wrote in message ... Check the integrity of the alternator side of the master switch, the field breaker and the field wiring. If anything has a high resistance, it can cause this type of behavior. The master switch is a prime suspect. -- --Ray Andraka, P.E. President, the Andraka Consulting Group, Inc. 401/884-7930 Fax 401/884-7950 http://www.andraka.com "They that give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -Benjamin Franklin, 1759 |
#10
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Will do, thanks.
Wayne "Ray Andraka" wrote in message ... Check your master switch from the back. Pipers have two poles on one actuator, one is used to control the master relay, the other connects the alternator field circuit to the buss. The side that handles the field circuit handles several amperes, so the switches tend to get a bit cranky with age. It should show it in the electrical schematic in your POH. Wayne wrote: The master switch only closes the master solenoid though right? This plane doesn't have a separate switch for alternator. It's a 61 and had a generator originally I believe. The fact that is goes out at high RPM makes me think it is either over voltage, or a loose connection moving from the engine vibration. Don't know though. Wayne "Ray Andraka" wrote in message ... Check the integrity of the alternator side of the master switch, the field breaker and the field wiring. If anything has a high resistance, it can cause this type of behavior. The master switch is a prime suspect. -- --Ray Andraka, P.E. President, the Andraka Consulting Group, Inc. 401/884-7930 Fax 401/884-7950 http://www.andraka.com "They that give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -Benjamin Franklin, 1759 |
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