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Thread: Mounting an oil thermostat

  1. #1
    Senior Member Dorsal's Avatar
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    Default Mounting an oil thermostat

    Happy Holidays all!
    One of my projects next week will be to put on an oil thermostat I picked up from Lockwood. Anybody know of a reason it shouldn't be mounted horizontally instead of vertical? Given I have the oil cooler mounted in front of the radiator below the engine, having the ports on the cooler going up and down will make for a cleaner installation. I know Mo mounted his upside-down which Lockwood said was OK, hoping that orientation is not a critical factor as long as you get all the air out.
    Dorsal ~~^~~
    Series 7 - Tri-Gear
    912 ULS Warp Drive

  2. #2
    Senior Member Slyfox's Avatar
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    Default Re: Mounting an oil thermostat

    I will try real hard to get out to the kitfox today and snap a picture of my install. I put an L bracket on one of the holes at the top of the gear box and than put a hose clamp around the thermostate and L bracket.
    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  3. #3
    Senior Member Dorsal's Avatar
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    Default Re: Mounting an oil thermostat

    Slyfox,
    I am not sure that will help as my oil cooler is on the bottom in the back, I assume yours is in the usual position up front? I am planing on locating mine just in front of the middle of the firewall (just above and behind the radiator and oil cooler).
    Last edited by Dorsal; 12-26-2009 at 09:08 AM.
    Dorsal ~~^~~
    Series 7 - Tri-Gear
    912 ULS Warp Drive

  4. #4
    Senior Member Slyfox's Avatar
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    Default Re: Mounting an oil thermostat

    I will go and take a shot anyway, if anything maybe it will help you with the oil lines off the thermostate. I had a hard time knowing if I had it right. A lot at stake if you know what I mean.
    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  5. #5
    Senior Member Dorsal's Avatar
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    Default Re: Mounting an oil thermostat

    Thanks, I appreciate the effort, I will certainly learn from the orientation of the thermostat and routing of the lines. As you pointed out this would be a bad thing to screw up.
    Dorsal ~~^~~
    Series 7 - Tri-Gear
    912 ULS Warp Drive

  6. #6
    Senior Member Slyfox's Avatar
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    Default Re: Mounting an oil thermostat

    here is a pic of my oil thermostate. Hope it helps. THe oil hose is 3/8 parker 7212 jiffy hose 300psi. Same hose I use for transmission coolers. the hoses on the left side of the engine are for the tank and the oil pump.

    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  7. #7
    Senior Member Dorsal's Avatar
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    Default Re: Mounting an oil thermostat

    SlyFox,
    Thanks! this is very helpful, it would suggest that the orientation of the thermostat is not critical. I am assuming, of course, that this is working well for you.
    Dorsal ~~^~~
    Series 7 - Tri-Gear
    912 ULS Warp Drive

  8. #8
    Senior Member Slyfox's Avatar
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    Default Re: Mounting an oil thermostat

    I really like where I put mine. I have stated that the oil in the tank does not go down very much. I checked it today and it was down maybe 1/4 of an inch from full and I haven't flown it in a week.
    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  9. #9
    Senior Member SkyPirate's Avatar
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    Default Re: Mounting an oil thermostat

    Dang Steve,..
    you could eat off that thang

    Chase

  10. #10
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    Default Re: Mounting an oil thermostat

    Steve,
    Thanks for posting that picture ! it will be a great help for me when I install my thermo. I notice that you have your oil filter safetied with a clamp. Good thinking. I did the same to mine after discovering during the course of an oil change that the filter was extremely loose and could have unspun itself in flight. I had followed the torquing instructions to the letter on the prior oil change. I called Lockwood and told them about it. During my Rotax 912 course they said that it wasn't necessary to safety the filter. The tech at Lockwood said that I was only the second person in the world to call about this problem. Well,BS ! I right away got a big hose clamp,removed the rubber from a big Adel clamp and installed it under the hose clamp to cushion the mating surface with the oil filter. I found a place to run a safety wire to the engine case and I now have the filter where it won't move (plus I torque marked it as you have)
    Dick

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