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My twist on the Twin Hammers.

Discussion in 'OFF Road Build Projects' started by MightySilent, May 7, 2013.

  1. MightySilent

    MightySilent Studio Forums Elite
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    Well after a lot of thought, figure crunching, thread reading, video watching, and "discussions" with my girl, I figured out what to get as a returning to the hobby rig. As you have already guessed from the thread title, I ordered a Vaterra Twin Hammers. Got some goodies for it as well.

    1. 17 turn rebuildable brushed motor.
    2. HR 12mm aluminum hubs.
    3. HR aluminum rear lower links.
    4. Carbon fiber body panels.
    5. 500k TRAXXAS diff oil.
    6. 2 Venom 2s 2000MaH 20c LiPos
    7. Cheap metal gear servo from my lhs. Hoping it is faster with more torque than the stock steering servo that I couldn't find stats on.
    8. An aluminum front bumper/skid plate. (I know, "aluminum will bend." I would rather bend a cheap bumper, as opposed to breaking the front end off.)
    9. And tools to work on it with.

    Started with the tear down. No pics of the process because we have all seen it before.

    Here is the motor installed.
    [​IMG]

    New Servo installed.
    [​IMG]

    Replaced the hard, over sized foams with softer smaller foams.
    [​IMG]
    [​IMG]
     
  2. MightySilent

    MightySilent Studio Forums Elite
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    Next was putting it back together and installing the aluminum hubs and lower links. Lower links provide two extra shock mounting options.
    [​IMG]

    After the test run.
    [​IMG]

    Now for some pics of it together with the carbon fiber body panels and aluminum bumper/skid plate.
    [​IMG]
    [​IMG]
    [​IMG]
     
  3. MightySilent

    MightySilent Studio Forums Elite
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    And just for kicks, a couple of flex shots. Keep in mind that at this point I have already managed to pop the front right dog bone.
    [​IMG]
    [​IMG]

    Will think about taking the handy-cam out for video footage of it within the next few days. Still trying to get over the first video jitters.
     
  4. Diablo

    Diablo Studio Forums Elite
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    Looks awesome mate. Good choice of upgrades right off the bat too. :want:
     
  5. MightySilent

    MightySilent Studio Forums Elite
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    Thanks Diablo.

    Still trying to figure out how I popped the dog bone. Practically had to remove the knuckle completely to pop it back in.
     
  6. Diablo

    Diablo Studio Forums Elite
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    Any CVD's available for the hammers yet? Otherwise nothing a couple of o-rings can't fix.
     
  7. MightySilent

    MightySilent Studio Forums Elite
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    It has CVD's on it, but it still connects to the diff with dogbone type connectors. Can't figure out how I popped it out to begin with, it's in there pretty good.
     
  8. Diablo

    Diablo Studio Forums Elite
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    If it has CVD's then they should not really pop out. Only way to fix that would be longer drive shaft or having the drive cups of the diff out a little further with shims or something....
     
  9. RustyWrench

    RustyWrench ...I Always Edit...
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    Sweet looking rig... Maybe send off an e-mail to them about the CVD popping out on the bone end, see what they say...

    Did you up grade the top plate to aluminum? Did you do a servo saver, on your shift servo? Is there any mod to make the Twin Hammers except a regular sized 2 cell LiPo?
     
    #9 RustyWrench, May 7, 2013
    Last edited: May 7, 2013
  10. MightySilent

    MightySilent Studio Forums Elite
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    I know right. I'm still baffled about how it popped out. The bugger is in there good.

    No to the aluminum top plate. However, I am thinking about getting the upright shock mount. this way the battery can sit up front.

    No servo savers anywhere on my ride. Just have to make sure that you adjust the endpoints properly. (they are doing a good job with that before shipping the cars out now)

    As for putting a full size LiPo in it, I haven't seen any mods yet, but I have seen people jamming them in there, which doesn't look good.
     
  11. Ballistic

    Ballistic ND RC Junkie
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    Cool looking rig.
     
  12. MightySilent

    MightySilent Studio Forums Elite
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    Here it is with what I think are the shortest 1.9" tires on the market, RC4WD's Mud Slingers.

    [​IMG]
    [​IMG]
     
    #12 MightySilent, May 7, 2013
    Last edited: May 8, 2013
  13. Bubba J

    Bubba J Studio Forums Elite
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    sweet looking rig mighty
     
  14. MightySilent

    MightySilent Studio Forums Elite
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    Thank you Bubba J


    Well, just charged up three LiPo's and went out to goof off with it. Didn't make it through the first one before it made "bad sounds". So, I guess tomorrow will be spent tearing into the drive train to investigate.
     
  15. ScaleBasher

    ScaleBasher Studio Forums Elite
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    Great looking truck hope its nothing serious that went wrong with it! I would strongly suggest having a backup shift servo ready to go! Mine died on the 2nd run.
     
  16. vpower777

    vpower777 New Member

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    you think that would work on a mtdt?.:tttt: i have mine in peices while i search for upgrades.:yourkidding:
     
  17. MightySilent

    MightySilent Studio Forums Elite
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    Preliminary investigation has revealed a stripped spur gear. Going to tear the gearbox apart later and give it the once over. Hoping nothing happened in there. I got the endpoints adjusted pretty well on the shift servo, but I still have the stock steering servo to rig up to it if it goes out.

    I'm not sure. Here is a link to them on eBay. Hot Racing Vaterra Twin Hammers Aluminum Lower Suspension Links VTH55L01 | eBay

    I don't even have a ruler here so I can't give you any lengths.
     
  18. MightySilent

    MightySilent Studio Forums Elite
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    So, tore into the gearbox today to see if I broke more than just the spur, and it was all a o k. Sept for there being no lube in there at all. I oiled up the bearings, threw some grease on the gears and buttoned it all back up.

    Now just sitting around until I can afford to get a part that runs less than $10 American. I believe that this is the worst part of not having a regular income.
     
  19. vpower777

    vpower777 New Member

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    thanks for the reply. i cant confirm if they will work [dont have car with me(im in school rie nao)] but they already seem allitle big for the 1/12 mtdt.
     
  20. MightySilent

    MightySilent Studio Forums Elite
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    No prob. They do seem quite long.
     

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