Register and gain access to Discussions, Reviews, Tech Tips, How to Articles, and much more - on the largest Large Scale RC community for RC enthusiasts that covers all aspects of the Large Scale RC!

Register Today It's free! This box will disappear once registered!

gear meshing

Discussion in 'FG Leopard' started by baronvonmookyheisen, Apr 17, 2007.

  1. baronvonmookyheisen

    Joined:
    Apr 13, 2007
    Messages:
    17
    Likes Received:
    0
    Location:
    cornwall
    i fitted a new drive gear yesterday and everything seemed fine BUT after 20mins it started some funny noises,when i looked the gear mesh isnt very tight and the gears drive wheel(46tooth) had stripped!!:(
    is there an easy way to tighten the meshing???

    HELP!!!:helpsmilie:
     
  2. whizzy

    whizzy Well-Known Member

    Joined:
    Mar 22, 2007
    Messages:
    283
    Likes Received:
    0
    Location:
    paisley
    did u change your pinion gear
     
  3. baronvonmookyheisen

    Joined:
    Apr 13, 2007
    Messages:
    17
    Likes Received:
    0
    Location:
    cornwall
    uh no its metal! do i need to?
     
  4. SELWA

    SELWA Well-Known Member

    Joined:
    Mar 19, 2007
    Messages:
    1,072
    Likes Received:
    2
    Location:
    Milton,On CANADA
    The Leopard uses 18/46 gearing. If it did strip I something must have gotten stuck. I use 18T steel with the 46T plastic spur and aluminum gear garrier. It's been fine for the past year.

    Now that I've had the 30.5 race ported upgrade I think I'll be going into the 20-24 gear range! :ph34r:
     
  5. whizzy

    whizzy Well-Known Member

    Joined:
    Mar 22, 2007
    Messages:
    283
    Likes Received:
    0
    Location:
    paisley
    well they do say if u change your spur you need to change your pinion gear too
     
  6. rudeboy

    rudeboy Active Member

    Joined:
    Mar 31, 2007
    Messages:
    41
    Likes Received:
    0
    Location:
    Montrose,Scotland
    Is this right whizzy as i just put on a new spur gear but never changed the pinion, i'm using a steel pinion gear, i thought this would only apply if using plastic spur and pinion as they would both wear at the same rate,, could be wrong though as i'm still a relative newb to the big scale.. lol
     
  7. fgbasher

    fgbasher Well-Known Member

    Joined:
    Feb 19, 2007
    Messages:
    200
    Likes Received:
    0
    Location:
    USA
    If you used the same gear you had 16/48 combo, then there may be a few reasons for the stripped gears:
    1) the layshaft is bent

    2) the engine mounts are weak or loosed the the clutch bell gear is moving.

    IF you put a 48 tooth gear on against the 18 clutch bell gear, they do not mesh correctly and that will cause it to strip. Here are the basic gear combos for the fg off-roads
    18/46 buggy and stadium models
    16/48 all monster models
    20/44 for more top end but less of the line
     
  8. likansuk269

    likansuk269 Member

    Joined:
    Apr 17, 2007
    Messages:
    24
    Likes Received:
    0
    Location:
    london
    i personally change both gears at the same time,and it works for me...look at it this way ,if you had a mountain bike and the chain kept slipping because the front gear cogs were worn would you just replace the front ones...i doubt it ,surely you would replace the front and back gears........and also very importantly the chain......new parts = nice meshing.
     
  9. whizzy

    whizzy Well-Known Member

    Joined:
    Mar 22, 2007
    Messages:
    283
    Likes Received:
    0
    Location:
    paisley
    as rcnutshobbies said if you change one to a different one than what you were already running u will have to change the other
     
  10. rudeboy

    rudeboy Active Member

    Joined:
    Mar 31, 2007
    Messages:
    41
    Likes Received:
    0
    Location:
    Montrose,Scotland
    I'm still running 16/48 just when i bought the MT the plastic spur was well worn but the steel pinion looked like new so i got a new 48t plastic spur.. all in all the meshing is fine, the steel pinion was maybe replaced before i bought it and not the spur....
     
  11. SELWA

    SELWA Well-Known Member

    Joined:
    Mar 19, 2007
    Messages:
    1,072
    Likes Received:
    2
    Location:
    Milton,On CANADA
    Yes gearing has to be changed in sets IF you are switching sizes. I have my 20/44, 22/42 and 24/40 ready to try out as soon as I get my smaller carrier back from Chop Suey!!!