Larson Flyer Hull Suction Help

Larry Williams · Aug 19, 2020

jacklake said: ↑

I have a solution to your problem. I know your post is quite old, but I have had 100% success with my 2000 Flyer suction problem. Solution: I placed a piece of tuct take along the bottom of the boat right at the transom. I let it hang over about 1/2 inch aft of the transom. This tape is horizontal. Next I mixed up a batch of Marine Tex (other materials could be used that are waterproof) and applied it all along the bottom of the transom flush with the bottom and up along the vertical transom about 1/4 to 3/8's of an inch. Basically the radiused area where the bottom of the transom meets the vertical transom was filled in and the bottom was extended about 1/8 to 1/4th inch to the rear. The transom also was covered vertically about the same distance and a little fillet resulted. Basically, instead of a radius of a quarter of an inch where the bottom meets the transom, there was a fillet extending backward aft of the transom. I have had problems with this boat since new. The only way for it to break the suction, keep water from spraying up onto the back of the boat, and to increase the speed of the boat up to 5 MPH was to hit a big wave going close to wide open. Now as soon as the boat starts to get up on plane, there is a noticable jump forward when the suction is broken. I can only thank those who wrote in possible suggestions and my son for finding it on your site for finally making my boat enjoyable and easy to use. Before it was hard to have three people ride in the 2000 Larson 16" Flyer without having the trim all the way back on the 115 Evinrude ito keep it from hopping. THANK YOU ALL FOR YOUR SUGGESTIONS. You cannot know how much they are appreciated!
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If possible can you contact me via email for a follow-up on your solution? Thanks Larry
Larwill79@gmail.com

Larry Williams · Aug 19, 2020

xylotops said: ↑

I recently got a Flyer 166. Immediately noticed the problem and found this discussion. Got a little piece of 12mm thick "heavy" foam PVC board. Made two 6" x 6" wedges & two wedge strakes. Stuck them on with epoxy (Hysol 11C) in this pattern: View attachment 135498
Now, at fairly low power she slides right onto plane from a 10mph plow and I hear the step slurp and gurgle a big breath of venting air WITH NO PORPOISING.

The 6x6 wedges almost did the job but the strakes assure that water flowing into the step from its sides gets separated from the flat ceiling so there's an air break at their inboard edges.
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If possible can you contact me via email for a follow-up on your solution? Thanks Larry
Larwill79@gmail.com

Larry Williams · Aug 19, 2020

Corey Zoomer said: ↑

I figured out how to break the suction for just a few bucks.

It’s like a whole different boat now
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If possible can you contact me via email for a follow-up on your solution? Thanks Larry
Larwill79@gmail.com

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Larson Flyer Hull Suction Help

Larry Williams Junior Member

Larry Williams Junior Member

Larry Williams Junior Member

Larson Million Bubble ride from 60's

Looking to build the " Falls Flyer"

Wilson flyer