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  1. tpenfield

    I Got Me a Mercury !!!

    The '72 Mercury has now taken over the dinghy operations. The engine is running well. . . I brought the Evinrude back to the house and did a few fixes . . . > New fuel connector (the old one was missing the check valve) > Re-hab of the idle adjustment screw > I did not have an anode handy when...
  2. tpenfield

    I should add a 2nd battery...

    Generally 2 ways of adding an additional battery to a single battery set-up: 1) Directly connected in parallel 2) Selectable via A/B/Both switch (aka Perko switch) Option #2 is preferred as you can run stuff on 1 battery and keep the other in reserve. While underway, you can be charging...
  3. tpenfield

    are there boat "salvage yards" anywhere in the U.S.?

    Google your way to a boat salvage yard near you . . .
  4. tpenfield

    Sqeeking sound from belt after impeller inspection

    There should be a number on the belt (somewhere), it is basically the length in inches or may be cm. Alternatively, you can bring the belt to the auto parts store and they can get you a match.
  5. tpenfield

    Sqeeking sound from belt after impeller inspection

    See my answers above . . . I am wondering if when you tightened the bolts, it is causing the impeller to bind. If you did not have water going to the raw water pump, then it is probably the impeller itself squealing inside the pump (very bad).
  6. tpenfield

    Flux Marine Outboard Engines . . .

    Reminds me of when the Evinrude E-tec engines were fire hazards . . . I guess now it will be the e-boats burning up.
  7. tpenfield

    Is A I a totally unreliable function ?

    Did you ask Siri? :ROFLMAO:
  8. tpenfield

    Drilling vent holes in a prop

    Mercury already has vented propellers and various sized hole 'plugs' to fine tune performance. Might be a better approach vs. the guess-work of a drill press.
  9. tpenfield

    Is A I a totally unreliable function ?

    When there is a lack of "NI" (Natural Intelligence), the world must turn to AI (Artificial Intelligence). :ROFLMAO: Of course AI is not new, it is just much more evolved. I recall working with basic AI systems for decision making back in the 1990's . . . back then it was essentially...
  10. tpenfield

    Bravo 3 Prop selection - other options?

    Mercury has a prop selector tool that can get you in the ballpark . . . maybe within a pitch or 2 . . . https://www.mercurymarine.com/us/en/propellers/mercury-propeller-selector
  11. tpenfield

    Found some rocks with my prop...

    What worked in the past has a good probability of working in the future. I'd get the same prop and call it good.
  12. tpenfield

    Bravo 3 Prop selection - other options?

    What makes you think that the current prop set is not right for your boat? What is on your boat now and what is your maximum RPM and speed? Playing prop sets on a B3 gets expensive.
  13. tpenfield

    Mercruiser 5.0 MPI hydro locked

    Could be intake manifold or cylinder heads, if the exhaust side checks out OK. I know the 7.4's had some issues with rust-through around the valve guides, not sure about the 5.0 engines. Your profile says that you are from Plymouth, MA . . . I'm assuming it is salt water boating. If the...
  14. tpenfield

    File uploads no good again?

    The banner message went away for some reason. It is back now. Still trying to get this resolved. Stay tuned. :)
  15. tpenfield

    Flux Marine Outboard Engines . . .

    In similar discussions from the past few years, I had roughly figured that battery power storage technology needed to increase by about 5X to be on par with fossil fuel on a power/pound sort of basis. So, if the 30 minute run time could go to 150 minutes, then it may have some possibilities...
  16. tpenfield

    Flux Marine Outboard Engines . . .

    As I was headed out to my boat the other day, I noticed an unusual boat at the dock . . . It had twin outboard engines that looked like they were from a sci-fi movie . . . had an illuminated blue stripe on the rear cowl and the name 'Flux' on them :unsure: . . . but I could not see the flux...
  17. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Good question . . . If I do fiberglass, I can potentially make the bracket a hull extension spanning across a greater width of the transom's irregular shape; basically going to/near the inside of the trim tabs. If I do aluminum, it would be more feasible to make it as a bracket, just...
  18. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Because . . . :ROFLMAO: Actually, I have a plan in mind to make an exacting fit to the odd-shaped transom area. IMO, it would be much easier done in fiberglass than aluminum. I tend to agree that the Coosa would probably be better because of the fiber content . . . and I can get it locally. (y)
  19. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Quick Update . . . The Admiral and I discussed the $$,$$$ for the outboard conversion. She is OK with it, given the alternative cost of a sell/buy approach. I am doing a little bit of materials research. . . If I build a hull extension/bracket out of fiberglass, I'd use fiberglass over foam...
  20. tpenfield

    New study on tow boat environmental impact

    Never really thought about the underwater impact of wake boats, but it is not really an ocean waters thing. Really stirs up the mud, based on the videos. There was one person in our harbor who had a Matercraft wake boat . . . They kept it only for a couple of years . . . Probably did not do...
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