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  1. J

    New OPS engine Bi-metal marine engine

    Jeff Goldblume said jurrasic park "very bad" looks like someone cloned fosilized DNA.
  2. J

    81 mph 45 mono

    It's just the weekest link in a great engine. Tig welding the two halves doesn't seem to help.
  3. J

    WTB Air Density Gauge

    Try KINSLER 1834 T-Bird, Troy, Mich 48084 (313) 362-1145 what I can read from gauge with magnifying glass
  4. J

    81 mph 45 mono

    When the boats on the only thing in the water is the prop no production hullruns the same too bad RS cranks go on a regular basis.
  5. J

    81 mph 45 mono

    Thom Hammer's 45 mono made one way pass of 81mph at leg lake strait lines but bent the crank preventing the return run, lookout next time.
  6. J

    MY NEW SPORT 20 BUILD ...LEGAL OR NOT THAT IS THE QUESTION

    Aproved? Not aproved? Fire wood?
  7. J

    how long does it that to build a scale hydro?

    Obvieosly none of you guys ever took wood shop in jr.high or you'd know the complex skills gained from building pencil holders. All she wants to know is how "FAST" can this be done, just give her a set of plans and a week and her boat will smoke.
  8. J

    Building my first 1/8 scale

    OS sells a third chanal needle that screws rite into your 9b. If you want to add it later than buid your radio box with 3 servos from the start easyer than remodleing it in the future.
  9. J

    Building my first 1/8 scale

    Third chanel needle all the way tune on the water or how many times do you want to launch before you get it just rite.
  10. J

    Glow plugs

    MC59 car plugs MC9 boat plugs
  11. J

    MY NEW SPORT 20 BUILD ...LEGAL OR NOT THAT IS THE QUESTION

    Current straitline IMPBA record SPORT 20 60.37mph your design must be amazing stock 5 port WOW.
  12. J

    1 / 8 Scale Shovel Nose Hydro - Zenoah motor

    If you use the 2 port older model 230 zen no problem thats the way crakerboxes used to be riged. The 231 and 260 engines have 4 ports and if the jug is reversed the performance will be poor if it runs at all...
  13. J

    HOT Sport .12

    Very nice, whats it weigh. Is that a quarter scale leaning against the wall.
  14. J

    Vertex .25 Help please

    Forgot to mention glow plug use MC9 the 59s won't burn rich mixture they are for bugs good luck.
  15. J

    Vertex .25 Help please

    Do as camaroboy says also remove low needle and cut off the point screw back in most boats carbs have no low needle increase nitro. 35% trinityrace fuel has worked for me in these bug engines. Put longer arm on servo for full open operation carb should be 1/3 open for idle
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