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Thread: spitfire rtf

  1. #1

    spitfire rtf

    this is third attempt....first time on this forum with problem.... order number 473475100425.....about three weeks ago. the motor gear is to the rear of the prop gear and isnt messing.....prop is freewheeling.....havent flown plane, just ran it about 4 minutes in hand. please advise. price of plane was 60 plus change.

  2. #2
    Senior Member Jay Burkart's Avatar
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    Re: spitfire rtf

    Textech435
    Somehow either the shaft got out of align or maybe when you pulled out on the prop you
    pulled the motor/gear shaft out from it's retainer collar if the shaft and gear pull way out.
    You will need to do a little surgery to put it back on.
    Fixing that problem you will need to neatly cut into the fuselage to get
    at the retainer to put it back on. It should be laying inside of the motor area
    and you will need to shake it out to put it back on.
    To put it back on hold it with some needle nose pliers and then get it started on the back
    of the shaft. Then hold it at the end so you can push it on the rest of the way.
    Push it on to were there is minimum end play to the shaft.
    Or you will see in another picture how much shaft needs to stick out of the gear and you may
    have to hold the shaft and push the gear back.

    Here are some pictures that show how to work on it.
    Also how to hold the shaft to change the prop.
    Let me know how you do with it.
    Regards,
    Jay Burkart
    Attached Thumbnails Attached Thumbnails Micro P-51-Spitfire prop shaft assy. 002.jpg   Micro P-51-Spitfire ERC2000 004.jpg   Micro P-51-Spitfire ERC2000 002.jpg  

    SAM Grand Champion 2004.07,10,12

  3. #3

    Re: spitfire rtf

    WAIT! Don't have to cut anything.

    Same thing happened to me. What you've got to do is:
    -Hold the shaft with the long needle nose pliers and pull the prop out.
    -Use a small philips screwdriver to release the motor from the motor mount (through one of the 5 holes in the gear).
    -Pull the whole motor assembly out (you don't have to disconnect the motor wires. If so, just be careful).
    -Look for the retainer collar. It should be laying inside of the fuselage and you will need to shake it out to put it back on.
    -To put it back on, hold it with needle nose pliers and then get it started on the back of the shaft. and follow the instructions from Jay.
    -Then push the motor assembly back in the motor mount.
    -Secure it with the screw.
    -And then holding the shaft with the pliers push the prop back in.
    Done.
    No cuts. No bleeding. No stitches.
    JPC-RC
    JPC-RC

  4. #4

    Re: spitfire rtf

    Thanks Jay and JPC for the most excellent help.

  5. #5

    Re: spitfire rtf

    HI......statis: plane.....no surgery so far. prop with gear and shaft on table prop shaft collar out of plane on table
    with prop shaft in its proper hole, the prop gear butts up onto the front bushing and in this position the prop gear is a whole gear off, ie too far forward. Motor gear extends one tenth of an inch out of the plastic housing it sits in. Without grinding teh shoulder off the front bushing (and making a burr to deal with), what is the fix? Maybe a different front bushing is supposed to fit inside the housing flush like....... and thanks for the help so far. ed

  6. #6

    Re: spitfire rtf

    second thought........motor gear too far back... maybe motor isnt pushed all the way forward in plastic housing. thats all i have for today. will look again for this possibility prop shaft bushes etc look same as your pic. ed

  7. #7
    Senior Member Jay Burkart's Avatar
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    Re: spitfire rtf

    Guys,

    Please go to the Micro forum.

    viewtopic.php?f=20&t=326

    I am going to move this discussion to the Micro forum so it is easier to find
    in the future for other modelers.
    I have posted a group of new photos that give a lot of detail.
    Thanks,
    Jay
    SAM Grand Champion 2004.07,10,12

  8. #8

    Re: spitfire rtf

    thanks Jay......second set of pics very helpful......found and fixed problem....motor wasnt pushed all the way into the housing and its gear wasnt sticking out far enough to engage prop gear.

  9. #9
    Senior Member Jay Burkart's Avatar
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    Jun 2009
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    Smithfield KY
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    Re: spitfire rtf

    Modelers,
    If anyone else has any questions or needs assistance on the Micro P-51 or Spitfire
    please post it in the Micro forum.

    viewforum.php?f=20

    Thanks
    Jay Burkart
    SAM Grand Champion 2004.07,10,12

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