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  1. kevbo

    New Zeeltronics Y62T CDI

    Arent all Zeels battery powered?
  2. kevbo

    Ski Tuning

    Most basic tuning can be accomplished with a tachometer. Make sure to start with modest compression and ignition timing. Its easy to really hurt response and acceleration with too much pump load so make sure its turning enough rpm. The pipe will determine where that rpm needs to be. Stock...
  3. kevbo

    Coffman Sizzler with out manifold mount.

    A bracket that connects the chamber to the engine is ideal. I didnt mention that because very few can successfully make one.
  4. kevbo

    Coffman Sizzler with out manifold mount.

    It will bounce off the engine mount. You will have to come up with a way to hold the chamber since it fits so closely to the engine and hull. I would try an EVA foam cradle glued to the hull just in front of the engine. A bead of silicone on the pipe and foam should keep chaffing to a minimum.
  5. kevbo

    Props, long/thin blade

    I would ask, How much longer and how much thinner than a standard blade?
  6. kevbo

    NW FX1 Build w/TOM 21 144 pump tunnel swap.

    I usually end up about 1 degree down trim on play boats. Makes it easier to recover when Im at the tipping point without affecting full speed handling too much. This can change a lot with conditions so Its often best to have a default setting with a handlebar lever.
  7. kevbo

    turbo charged fuel injected 701!

    I want to see the rider slide off the seat onto that tire!
  8. kevbo

    Jobs growth report

    Read the summery of Thomas Piketty's book "Capital in the twenty first century". There is a lot of historical data on who had money and the way people lived. Up until WW2 there were a few wealthy and a lot of poor. After WW2 most people had it really good by comparison. Today a college grad...
  9. kevbo

    Winter Composites Fun

    Is there a convenient place to mount a tube that would go down to the hulls bottom? A heavy pole without much pad will hold the ski inverted. It would go down fast if the engine stayed running, they disappear in a few seconds with a scupper venting all the air.
  10. kevbo

    Super Jet WHAT Octane!?

    Whats most shocking and incredible is that some people actually learn new things over time!
  11. kevbo

    Jobs growth report

    Theres nothing new under the sun, this has been happening since long before we were born. Save a few rocks to throw at all the rich guys (and congressmen) that have been sending good jobs out of the country. I got to experience it first hand when my airline closed the hangar for good after...
  12. kevbo

    ELECTRIC IS HERE!

    Lets get out there and reproduce!
  13. kevbo

    Digital Fuel Injection on latest Jetsurf 2 stroke engines

    Standups and smaller craft are the only PWCs that need a light weight engine. Bigger/heavier fourstrokes are fine in the giant couches that customers are actually buying. The SXR1500 is like riding a torpedo and the new Superjet just left me confused..
  14. kevbo

    ELECTRIC IS HERE!

    A gas/diesel generator will always burn more fuel charging a battery than it would if its engine was instead driving the cars wheels. Saving energy isn't the goal at all, people want to feel better about the way they convert it into motion. Very few new cars have been able to beat a 1980...
  15. kevbo

    ELECTRIC IS HERE!

    Californias solution seems to make everyone poor and homeless. Pollution solved.
  16. kevbo

    Pulse line intake fitting

    My engine has one that is straight and pressed in and one thats a 90 threaded into the case. Both carbs work well.
  17. kevbo

    ELECTRIC IS HERE!

    All we need is a battery that weighs no more than 50lbs, that can produce 100hp, and has an acceptable amount of run time. Right now Li-Po can make enough power for a few minutes and/or a few flips. The extra work and expense involved will weed out nearly every current participant who isn't a...
  18. kevbo

    ELECTRIC IS HERE!

    That fad is how the majority of mankind is wired.
  19. kevbo

    ELECTRIC IS HERE!

    I certainly can’t understand the masses. What color is your pocket protector?
  20. kevbo

    ELECTRIC IS HERE!

    I guess that’s why people take mufflers off their vehicles. Gotta spice up the experience. It wouldn’t be difficult to make a Tesla sound and feel like anything you want. You could go from a dump truck to a Cadillac or to any race car that could be programmed into the cars computer. In the 90s i...
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