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  1. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    And so it begins . . . I built the gantry over the past few days. I was initially thinking about a 10 foot tall structure, but I went with 12 feet tall just to make sure the engines would clear the deck. Doing so, I up-scaled the top beam material to 2x12's and everything else is 2x6. Of...
  2. tpenfield

    1995 Chaparral 2550 SX Refit and Restoration

    Nice video . . . What time of year was that? The place looked deserted . . .
  3. tpenfield

    Is this engine oil good?

    Here is the rear labeling . . .
  4. tpenfield

    Trailer Load musings

    IIRC, my sailboat trailer had passenger tires . . . not a heavy boat . . . around 2K lbs.
  5. tpenfield

    Trailer Load musings

    Interesting article/video. . . . My triple axle trailer is torsion style, but not much that I'm going to do about it. :LOL:
  6. tpenfield

    Trailer Load musings

    Doing some quick math on the actual load vs. 100% of trailer capacity . . . I should inflate my trailer tires to 70 psi . . . (I'll do that . . . they are currently about 60 psi vs. 80 psi max rating)
  7. tpenfield

    Bellow condition??

    @Wave34 . . . the sight of your bellows makes me feel a whole lot better about the ones on my boat. Those bellows scream borrowed time. :oops::eek:
  8. tpenfield

    IBEX 2025

    An IBEX is where Scott goes each year in the Fall :LOL:
  9. tpenfield

    Solar charging batteries

    Sort of like this . . . . :ROFLMAO:
  10. tpenfield

    Solar charging batteries

    Are these what you got? . . Picture sort of looks like 2 x the 50 Ah battery . . . Are they both dead?
  11. tpenfield

    Solar charging batteries

    Running 2 LFP batteries of different Ah ratings are 'outside' of general best practices and manufacturer recommendations. Not sure if the BMS within the batteries are going to like that. . . probably not. A few pictures of the batteries and your set-up may help us better understand what you...
  12. tpenfield

    Trailer Load musings

    As for musings . . . My Tri-axle trailer's tongue weight is at 9%, which I think is a bit on the high side for a 3-axle set-up. Maybe 7% would be better. I have thought about some re-engineering, but there is not much wiggle room of the bow-stop, axles, bunks, etc. I did approximate that...
  13. tpenfield

    boat trailer calipers vs auto

    Fresh water should be fine. You can always test the brakes (disc brakes) by disconnecting the electrical to the trailer and backing up a slight grade. Probably a good thing to do now & then, if you don't trailer often. The tandem trailer that I had for my 24 footer had a great set of brakes ...
  14. tpenfield

    Charging a LiFePO4 via an Inverter

    Sorry to be late to the party . . What is powering the inverter? (Engine battery(ies) ? I assume because of the mention of a Suzuki) Is this a one-time need, or will it be on-going? If a continuous need, I'm with @bruceb58 on this . . . get a DC-DC charger. My 'rule of thumb' is to stay...
  15. tpenfield

    Solar charging batteries

    Most LFP batteries do. Brand and Ah rating? Got any pics to share?
  16. tpenfield

    boat trailer calipers vs auto

    Did you find the Kodaguard held up better? I dunk in salt water a couple time a year. After a couple of years, the HydraStar calipers were not having it.
  17. tpenfield

    Solar charging batteries

    @redneck joe , About the LiFePO4 battery . . . > Brand and Amp-hour rating? > With nothing connected and no charging, are you getting any voltage reading from the battery (use a DVM to test it). > A charger with "0Volt charging" may be needed to bring them back to life. . . it looks like the...
  18. tpenfield

    boat trailer calipers vs auto

    My trailer has HydraStar brake calipers on all 6 wheels. According to the manufacturer's information - the piston, the mounting bolts, and slide bushings are stainless steel. The caliper bodies are "Dacromet" coated for rust protection, but I have found that they rust regardless, and the brake...
  19. tpenfield

    projects other than boats

    I'm enjoying seeing folks projects. . . Here is my current project: Hardwood flooring. . . . . It has been about 25 years since I installed hardwood flooring. I had forgotten how much work it is. Fortunately this stuff is pre-finished. In total it is about 725 Sq. Ft of flooring.:oops...
  20. tpenfield

    Seafoam vs. Marine Pro Seafoam

    I've always liked Mercury Power Tune over Sea Foam . . . it seems a lot stronger in terms of carburetor cleaning and combustion chamber cleaning
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