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 Catalina 250 Specific Forum
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sterngucker
Navigator

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USA
169 Posts
Initially Posted - 12/24/2012 :  18:23:11  Show Profile
Has anyone measured their mast height above the water line for bridge clearance issues? I'm measuring 33' 4" from water line to top of anchor light. The bridge I'm concerned about is advertised as 34 feet minimum. I will think I may be in trouble with the masthead antenna. Anybody measure their waterballast boat? I think the wing keel may be taller? Tried a search of the forum but no joy. Henk, you've probably done this. Have you sailed your boat under the London Bridge?
Charlie
"C Angel" 250WB #799
Edited by - sterngucker on 12/24/2012 18:24:37

delliottg
Former Mainsheet C250 Tech Editor

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USA
4479 Posts
Response Posted - 12/24/2012 :  19:03:00  Show Profile  Visit delliottg's Homepage
This isn't going to be overly helpful since we've got a tall rig WK, but maybe it'll give you a bit of comfort.

My waterline to top of mast is 34.83'
Waterline to top of antenna, 38.83'
Waterline to keel is 3.7'
Waterline to deck is 3.33'
Keel to main deck 7.03'.

Note that all those measurements are in decimal feet, not feet & inches.

I'd guess your antenna is going to brush the underside of the bridge.

The WK is 10" higher on the inside than the WB, but honestly I'm not sure that translates directly to the outside dimensions.
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zeil
Master Marine Consultant

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Canada
1314 Posts
Response Posted - 12/25/2012 :  13:26:43  Show Profile

Charlie... no... didn't dare to sail our C250 water ballasted "Someday Lady" or Peter's "Sea Bear", below the "London Bridge". Opinions vary...

So... we said let's try it and watch it very closely but in the end we did not have the nerve to actually go through with it.

For the Pocket Cruiser Convention apparently by special request from the organizers, water supply engineers increased the lakes water levels by several feet to make skinny water areas more assessable but, at the same time, decreasing the total height below the bridge.

Our C250 WB boats, according to the specifications requires 33.3 foot clearance from mast head to the water line leaving a mighty small clearance margin. This margin is far too small for my comfort.

If, however, you could, anywhere from shore, obtain a clear view, you could eyeball the space between mast head and bottom of the bridge and give it a try... We did not find a spot to get a clear sighting and chickened out with visions of being stuck or having to replace the masthead.

When it came to parade sailing we waited on the down-wind-stream side of the bridge and joined up with the others, no big deal!!













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Johnnybob
1st Mate

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32 Posts
Response Posted - 12/25/2012 :  16:49:39  Show Profile
Absolutely Gorgeous Pictures! Is that British Columbia? Are those palm trees I see?
Merry Christmas and Happy Holidays Everybody.
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sterngucker
Navigator

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USA
169 Posts
Response Posted - 12/27/2012 :  19:39:09  Show Profile
Beautiful photos Henk. Look forward to seeing you there!
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zeil
Master Marine Consultant

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Canada
1314 Posts
Response Posted - 12/28/2012 :  10:48:43  Show Profile
Yes... we do too!!



Edited by - zeil on 12/28/2012 10:49:06
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.