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  1. J.R.Lafrance
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    Bottom Fin Needed or Not

    I have a 1974 18Ft. I did not like the skeg. Yes, if is paramount on a slalom course but If you jump a wave and land not exactly straight it will...
    Post by: J.R.Lafrance, Aug 2, 2020 in forum: Questions/Comments
  2. J.R.Lafrance
    Post

    1977 Hydrodyne Tournament Skier 18 OB Rebuild

    Could you hazard a guess as to the number of hours you spent on this project.
    Post by: J.R.Lafrance, Aug 2, 2020 in forum: Hydrodyne® Boats
  3. J.R.Lafrance
    Post

    1972 Hydrodyne mild restoration

    Thank you ,Jim
    Post by: J.R.Lafrance, Aug 3, 2015 in forum: Restoration Projects & Questions
  4. J.R.Lafrance
    Post

    Bottom Fin Needed or Not

    I agree it is essential for tracking in a slalom course. It is worthwhile if sharp turns are needed as mentioned above. However I found that the...
    Post by: J.R.Lafrance, Jul 26, 2015 in forum: Questions/Comments
  5. J.R.Lafrance
    Post

    1972 Keel Up Restoration

    Some comments on the tracking fin : I was driving for skiing competitions in 1974. The fin indeed was blessing to keep the boat lined up in the...
    Post by: J.R.Lafrance, Jul 26, 2015 in forum: Restoration Projects & Questions
  6. J.R.Lafrance
    Post

    1972 Keel Up Restoration

    I had twin 140 HP on my Dyne 1n 1977. Talk about torque
    Post by: J.R.Lafrance, Jul 26, 2015 in forum: Restoration Projects & Questions
  7. J.R.Lafrance
    Post

    1972 Keel Up Restoration

    I had twins 140 HP Johnson on my Dyne in 1977 . Talk about torque.
    Post by: J.R.Lafrance, Jul 26, 2015 in forum: Restoration Projects & Questions
  8. J.R.Lafrance
    Post

    1972 Hydrodyne mild restoration

    Jim, My CMI number is CMA501500375. The digit after the CMA might be an S instead of a 5 ,I am not sure which. Why did you mention that if it was...
    Post by: J.R.Lafrance, Jul 26, 2015 in forum: Restoration Projects & Questions
  9. J.R.Lafrance
    Post

    1972 Hydrodyne mild restoration

    I have a Dyne like yours that was used in shows with twins. The transom plate was used but it is failing further out where your is splitting. As a...
    Post by: J.R.Lafrance, Jul 26, 2015 in forum: Restoration Projects & Questions
  10. J.R.Lafrance
    Post

    600 Members

    I just joined. I will enjoy it.
    Post by: J.R.Lafrance, Jul 26, 2015 in forum: Announcements
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