Mammoth's latest activity

  • Mammoth
    Mammoth replied to the thread GX390 Build.
    Im learning just like everyone else. I have smart friends and a pile of books that help me build things. The best thing to do is get...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    Been consumed by work seven days a week for a month so I haven't had time for anything extra. I did take possession of the boat which...
  • Mammoth
    I share the same feeling with the early 1980's honda trx125. They are little pack mules and fun to ride with bigger tires. Im up to...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    I have a coupler that will connect the 1" shaft to the transmission, and after that it will have a drive shaft to a propeller. Im going...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    To make a long story short bypassing all the failed ideas and get right to the point after weeks and dozens of attempts the engine...
  • Mammoth
    Mammoth reacted to 65ShelbyClone's post in the thread GX390 Build with Like Like.
    Volts x amps = watts. 115v x 200A is the same as 230v x 100A is the same as 460v x 50A, so current going from your wall into the...
  • Mammoth
    Mammoth reacted to rockman96's post in the thread GX390 Build with Like Like.
    This is an awesome thread and project! A lot of good work here, it's sure nice to have your own resources. I feel compelled to comment...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    This video has lots of good info about bore vs stroke.
  • Mammoth
    Mammoth reacted to NBGX270's post in the thread GX390 Build with Like Like.
    Another battery idea that I caught from the same guy is a drill battery, that's what he used very small lightweight and compact! There's...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    Got the engine all back together and it turns over alot smoother now. Still doesn't fire correctly, but I may have found an answer. I'm...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    While turning it over on the dyno it seems like its having ignition issues. Can't quite figure it out. The instructions say to set it...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    I see. The transformer still needs 100 amps to operate the welder at max 50 amps. I had to find a solution for the size of the cable...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    I ended up ordering two individual bearings in ceramic for the side cover purchased through CBR Bearing. I will pm you about the...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    When your racing every gain in percent counts. After a number of laps the first and second place finishers are usually right next to...
  • Mammoth
    Mammoth replied to the thread GX390 Build.
    It will go in an aluminum mini jet boat hull. Most people use a jet ski engine, but they use 2.5 gallons or more of gas an hour. Im...
Top