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  1. tpenfield

    Pushing Run-Flat tires to the limit

    4 new tires went on yesterday . . . Bridgestone DriveGuard Plus RFT The car rides nicely. The Admiral's car went in for a couple of recalls (roof rack and rear strut). My car has a recall outstanding . . . something that can cause a fire. I suppose if the car caught on fire, I'd have to get...
  2. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I still use imperial units of measure . . . According to Google . . . "While the U.S. has a policy to adopt the metric system (Metric Conversion Act of 1975) and federal agencies are required to use it, imperial units (customary units) persist in specific industries like civil construction and...
  3. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Done . . . .
  4. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Quick Update . . . I had a feeling that the underside of the swim deck was fairly substantial in its construction . . . . It certainly is . . . . . . 1.05" total thickness 0.33" Fiberglass 0.50" Balsa 0.22" Fiberglass It has a wee bit more fiberglass than the transom :oops:
  5. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Transom holes are done. . . I also drilled the drainage holes that will let bilge water flow to the extension bracket where there will be a garboard plug. . The 4 holes on the underside of the swim deck are next . . . but . . . there is a vent tube in the way. That will be tomorrow's project...
  6. tpenfield

    95 Sea Ray 230 Sundancer stringer repair

    Do the 'burn an inch' technique to get a more exact measurement, but generally you want the core to have been 1.5" . . . looks like you are at 1.75"
  7. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I did some cutting of the transom today . . . Went through a bunch of saw blades, metal cutting and carbide for the most part. . . . The transom is 2.00 " thick about 1.5" foam core 0.4" fiberglass outer skin 0.1" fiberglass inner skin . . I got to see if I can get some more blades tomorrow...
  8. tpenfield

    Tiny boat performance help

    Even or only a slight downward angle would be all that I would do . . . Too much angle will tend to slow the boat down more than desired
  9. tpenfield

    Tiny boat performance help

    Here you go . . . . One on each side of the transom, . . . Done.
  10. tpenfield

    Tiny boat performance help

    I have an 8-foot pram with a 7.5 HP outboard . . . similar situation with planing. Weight shift will help, but you may want to make some static trim tabs out of marine HDPE board (starboard) and stick them on the transom.
  11. tpenfield

    Pushing Run-Flat tires to the limit

    I may think about having a spare, but no place to put it, unless I sacrifice some trunk space. Underneath the trunk 'floor' is the car battery.
  12. tpenfield

    Pushing Run-Flat tires to the limit

    The tire in question is disposed of . . . once you drive on them in a deflated state for any reasonable time, they are done. If I get a nail in one again, I'll have to keep that in mind . . .
  13. tpenfield

    Pushing Run-Flat tires to the limit

    I have AAA, and used them to fix this tire 5 years ago. Interestingly, we were looking at a new boat in Ticonderoga, NY when we go a nail in the tire, right dead center in the tread. So, it was fixed with one of those quicky plugs. That tire has mysteriously been loosing air (5-10 psi) now &...
  14. tpenfield

    Pushing Run-Flat tires to the limit

    The run flat tires are rated for 50 miles at 50 mph. Based on my experience today, I’d say 30-40 miles.
  15. tpenfield

    Pushing Run-Flat tires to the limit

    My theory is that the tire in question was ‘repaired’ back in 2021. 5 years later the temporary ’plug’ proved itself 😆
  16. tpenfield

    Pushing Run-Flat tires to the limit

    The Admiral and I were on our way to VT for the Easter weekend . . . after leaving a rest area a warning came on the dashboard for the left rear tire. We watched it as it went to 1.1 psi over the course of a few minutes. :oops: At that point we were pretty much in the center of nowhere. 40 +...
  17. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I tried my hand at the VE fairing compound . . . It is a work in progress. . . I'm not sure I have the patience to do fairing compound, but we'll see. I got a final reading on the transom thickness, now that I have given them flatness. . . No worries there . . . I just wouldn't want to be the...
  18. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    The swim deck covers those holes . . . more than half of the extension bracket goes UNDER the swim deck.
  19. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Flatness has been achieved . . . I mixed up the goop (assorted fiberglass stands, VE resin, adhesive filler) and used the 1" Coosa pieces to form a flat surface. Clamped in place and heated for curing. . I'll need to do some finishing/fairing around the edges. but the engine mount surfaces...
  20. tpenfield

    NEED HELP WITH CHAPARRAL 224 REAR BENCH SLIDING

    I assume that your boat looks something like this . . . Non-folding seat. . . In general, it is a fairly big job. The back-2-back backrest looks like a single cushion, so that would need to be re-fabricated into 2 backrests. Then there are hinges and rails. The base cushions would get...
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