request typhoon trailer measurements

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Bill Goldsmith
Posts: 625
Joined: Feb 7th, '05, 08:47
Location: CD 32

Another Measurement Question for OJ

Post by Bill Goldsmith »

Dear OJ,

I have a question about the portion of your posting below highlighted in red.

Is your measurement from the center of the keel trough to the center of the pads, or from the gelcoat to the center of the pads?

Thanks again, Bill Goldsmith



Oswego John wrote: Hi Wingreen,

I just measured one of my Tys and came up with these measurements. FWIW, These measurements are CLOSE to what you are looking for. There is no way that I can give measurements on curved surfaces without given a definitive point to measure from. As you know, the Ty's lower hull is ALL curves.

I might add that some of the required measurements being sought are invalid with a full keel boat. So here are some approximations.

1. Distance from bottom front of keel to back of boat? 9' = 108"

2. Distance from bottom back of keel to back of boat? 5'-1"= 61"

3. Vertical distance from bottom of keel to bow eye? No eye. (actually measured to forestay plate). 5'-61/2" = 661/2"

4. Depth of keel (from bottom of keel to where the keel curves out.
1'- 51/2" = 171/2"

5. Distance from bottom of keel to hull at 30" from side of keel? This is an invalid question. For a Ty, 30" is too great a distance for a hull support. This would give you no purchase at all. It is almost to the freeboard.

On the Triad trailer that my Ty is resting on, the centers of the rear adjustable pads are 23" out from the keel. The front adjustable pads are 20" out from the keel.

6. Width of keel at bottom of keel? This is difficult to measure. On the Triad trailer, the Ty keel sits in a padded steel channel iron trough that measures 81/2" I.D.

I hope that this can give you some insight into your new rrailers requirements.

Good luck,
O J
Oswego John
Posts: 3535
Joined: Feb 5th, '05, 20:42
Location: '66 Typhoon "Grace", Hull # 42, Schooner "Ontario", CD 85D Hull #1

Trailer Measurements For A Ty

Post by Oswego John »

Hi Bill,

The measurements from the keel to the centerline of the pads are basically the same. They were taken from the gel-coat on the side of the keel.

I just came in from remeasuring the distances and discovered a slight discrepancy. Upon checking, I noticed that the hull was slightly off center in the trough and the hull wasn't perfectly upright.

I averaged out the distances, and you will be in the ballpark if you measure out 22 1/2" from the edge of the keel to pad centerline in the stern, and 22" measurement in the bow.

The keel narrows down to 1 1/2" to about 2" in the stern where it rests in the trough. Farther foreward, the bottom of the keel increases to maybe 5"-6" before it starts to rise toward the bow.

Good luck.
O J
"If I rest, I rust"
Voting Member #490
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