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Thread: RV 7A Maintenance

  1. #21

    Join Date
    Jul 2011
    Location
    Shiloh, IL
    Posts
    50
    Quote Originally Posted by skyfixer8 View Post
    the original builder had riveted all baffles to the engine with cherry max. Spent most of the morning drilling them out so I could get the cylinders off.
    What does this even mean? The baffles are installed on the engine with screws. How could they be riveted?

  2. #22

    Join Date
    Aug 2013
    Location
    Gwinn, Michigan
    Posts
    144
    Sides are attached with screws to cylinders, however, front baffles riveted to sides and rear baffles same way on left and right side of engine. Had to remove rivets in order to pull baffles off for cylinder removal

  3. #23
    Sam Buchanan's Avatar
    Join Date
    Nov 2011
    Location
    KDCU
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    419
    Quote Originally Posted by keen9 View Post
    What does this even mean? The baffles are installed on the engine with screws. How could they be riveted?
    I'm 'baffled' by this as well.....yes, the sides are riveted to the front and rear, but they are joined in the middle with screws (cleco clamps in the photo) so each 'half' can be removed. I didn't drill out any rivets when I did an engine overhaul on my RV-6 O-320.

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    Last edited by Sam Buchanan; 04-12-2018 at 03:58 PM.
    Sam Buchanan
    The RV Journal RV-6 build log
    Fokker D.VII semi-replica build log
    YouTube Channel

  4. #24

    Join Date
    Aug 2011
    Location
    Marietta, GA
    Posts
    676
    RV-6 owner here. 10-12 hours of focused time to do the inspection. Add 50% for the loss of efficiency due to drop in visitors, potty breaks, interest net surfing on the phone, and the like.

  5. #25

    Join Date
    Aug 2013
    Location
    Gwinn, Michigan
    Posts
    144
    Thank you Sam. If you add a baffle attached to the center line of engine from front to back, you will have an idea of what I had to take apart to pull cylinders. New owner is trying to contact builder about this, but no luck yet.

  6. #26
    Sam Buchanan's Avatar
    Join Date
    Nov 2011
    Location
    KDCU
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    419
    Quote Originally Posted by skyfixer8 View Post
    Thank you Sam. If you add a baffle attached to the center line of engine from front to back, you will have an idea of what I had to take apart to pull cylinders. New owner is trying to contact builder about this, but no luck yet.
    That is most definitely a roll-your-own mod, don't know why it was done.
    Sam Buchanan
    The RV Journal RV-6 build log
    Fokker D.VII semi-replica build log
    YouTube Channel

  7. #27

    Join Date
    Aug 2011
    Location
    Alabama
    Posts
    2,048
    Sounds like a classic case of over-building something.

    I think we've all done it.
    The opinions and statements of this poster are largely based on facts and portray a possible version of the actual events.

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