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  1. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    The words for the day are 'pressure washer' . . . :ROFLMAO: that will do the trick. I think I there may be a new pressure washer in my future, because the reigning machine had a throttle/governor mishap. Anyway, I've been trying to get this 'bonding plate' off the transom for the past few...
  2. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    More engineering on-the-fly . . . design change #6,157 :ROFLMAO: . Given that the underside of the swim deck has as much fiberglass in it as the transom, I have changed the transom reinforcement, eliminating the struts that were to extend in the swim deck cavity, and moving the top...
  3. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I have offers for help. :D
  4. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I cleaned-up some of the wiring in the (former) engine bay in preparation for some grinding and glassing. . . I put a few 1/2" spacers on the extension bracket and tried another fit. . . I got my laser line thingy, so I checked the alignment with the keel. . . Looks OK . . . better than I...
  5. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Quick update . . . Maybe not so quick I spent much of yesterday trying to get the extension bracket aligned, since it seems to be off once re-attaching it. I think the rear portion of the boat (swim deck) is symmetrical, but maybe not, because my centering measurements are off by about 3/4"...
  6. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I did some more grinding. The fit is better. . . . . Of course, every time I loosen up the extension bracket and re-seat it, squareness seems to go out. Yesterday it was pretty good . . . today, not so much. Laser line tool is on order.
  7. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    The extension bracket is fitting better. I think a 1/2" spacer will do the trick. . Here is the starboard side . . The port side seems to be the issue, as it flairs out about 1/4" at the bottom. The spacer and maybe a little bit more grinding here and there should do the trick. Using deck...
  8. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Checking the measurements on the transom face vs. the extension bracket. . . The width of the top is fine (actually 1/2" to spare) The lower portion looks to have flared out a wee bit . . . probably during the framing of the outside stringers. I did some grinding (not a lot) and will see how...
  9. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I can also get a 5 gallon pail of 'hull & deck putty' for $315 . . . I'll have to verify if it is VE or Poly. (prefer VE)
  10. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I am leaning this way . . . I think the stuff is often called structural putty or deck putty. Basically, PB with a fiber content IIRC. I think I can get VE structural putty . . . . . Or perhaps make my own. I can get VE resin for $49/gallon and I have lots of fiberglass material to chop up.
  11. tpenfield

    Pushing Run-Flat tires to the limit

    They only use turn signals when they are not turning.
  12. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Looking ahead . . . the test fit is also serving as a rehersal of the actual installation process. My plan is to . . . Position the extension bracket near the boat/transom Apply prodigious amounts of permanent adhesive to the contact areas Pull & lift the extension bracket tight to the boat...
  13. tpenfield

    Pushing Run-Flat tires to the limit

    My car is a BMW . . . has no spare tire, no car jack, etc. My guess is that with this brand of car, you are not supposed to get your hands dirty :ROFLMAO: . Anyway, we are keeping our cars and spend money on the important things in life . . . like boats :LOL:
  14. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Something isn't right . . . My geometry calc's are indicating that the extension bracket would have to be off by about 3/4" on the width to be stopping 5/8" short of the boat's transom. (possible, not plausible . . . :unsure: ) I have a hunch that it may be a matter of height, not width. So...
  15. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    When I made the transom mating surfaces, I used corrugated cardboard as a 'padding' to mimic the thickness of fiberglass. . . . Of course, if the fiberglass is thicker than the cardboard I used, it would explain the fit problem. The fiberglass was 2 layers, so about 0.09" each side . . ...
  16. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I don't understand what you are saying :unsure:
  17. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    The extension bracket needs a tweak . . . After much effort, the extension bracket would not come all the way flush with the boat's transom. I suspect that the bevel sides are a 'wee bit' thicker/wider than my original take-off from the transom, even though I made some accommodation for...
  18. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Needs a Thx . . . I have no plans for the trailer, other than some tongue weight adjustment.
  19. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I did a 'test fit' today . . . . . . . . . . I need to do some adjusting to get it snug to the transom . . . It's about 1/2" away . . . (13mm :p )
  20. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Yes, on the sealing up of the balsa . . . I usually use some resin for that purpose.
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