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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 250 Specific Forum
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DavidCrosby
Navigator

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USA
229 Posts
Initially Posted - 08/07/2015 :  08:01:11  Show Profile  Visit DavidCrosby's Homepage
I spent a week sailing our C250 in northern Michigan recently. The image below is our top speed while sailing downwind from South Manitou Island back to Northport, Michigan.

Can you say "SURFING!"
David Crosby "Small World"
'02 C250 WK #614

zeil
Master Marine Consultant

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Canada
1297 Posts
Response Posted - 08/07/2015 :  08:08:26  Show Profile

12.4 expressed in km?...
Henk & Johanna
"Floating", a few off your "barnacles".
"Someday Lady" '95 C250WB #151 ('03 - 2016)
"Sea ya" 30ft Bayliner (04-2018 - 09-2018)
"Mariah" '96 C250WB #191 (05-2019 - 15-05-2023)
"Lady J" '00 C250WK #499 (05-2021 - 09-2022)
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DavidCrosby
Navigator

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USA
229 Posts
Response Posted - 08/07/2015 :  08:28:28  Show Profile  Visit DavidCrosby's Homepage
12.4mph = 19.96 Km/h
David Crosby "Small World"
'02 C250 WK #614
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DavidCrosby
Navigator

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USA
229 Posts
Response Posted - 08/07/2015 :  08:29:35  Show Profile  Visit DavidCrosby's Homepage
12.4mph = 10.78 knots per hour
David Crosby "Small World"
'02 C250 WK #614
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Tomas Kruska
Admiral

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Czech Republic
522 Posts
Response Posted - 08/08/2015 :  01:56:46  Show Profile  Visit Tomas Kruska's Homepage
Ok, now tell us another fairy tale
Dalpol Phobos 21, 2013, Sole Mio, hull #27, current adventures - We sail Phobos 21

PO of Catalina C25, 1978, High Anxiety, hull #701, SR, FK, L-dinette, inboard diesel Volvo Penta MD2010C w/saildrive - more info
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zeil
Master Marine Consultant

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Canada
1297 Posts
Response Posted - 08/08/2015 :  18:28:24  Show Profile

Going with 5 kn current it would be possible to obtain speed over ground?
Henk & Johanna
"Floating", a few off your "barnacles".
"Someday Lady" '95 C250WB #151 ('03 - 2016)
"Sea ya" 30ft Bayliner (04-2018 - 09-2018)
"Mariah" '96 C250WB #191 (05-2019 - 15-05-2023)
"Lady J" '00 C250WK #499 (05-2021 - 09-2022)
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islander
Master Marine Consultant

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USA
3992 Posts
Response Posted - 08/09/2015 :  08:08:22  Show Profile
Max speed on Gps's can be inaccurate unless the GPS is held still and below the waterline (center of rotation) . When going over the top of a wave, The GPS will have a greater forward movement as the boat comes over the top and starts down if it is fixed to the boat (pendulum effect) and a handheld will pick up the movement from your handling of the unit. My GPS(fixed) reads unrealistically high speeds and was told that this was the reason. If you want some really crazy Max speed numbers, Hoist the GPS up to the top of the mast.
Scott-"IMPULSE"87'C25/SR/WK/Din.#5688
Sailing out of Glen Cove,L.I Sound


Edited by - islander on 08/09/2015 08:19:26
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Dave Brown
Navigator

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USA
174 Posts
Response Posted - 08/09/2015 :  12:01:26  Show Profile
I would not over think this,
How ever you do the math, that's Da__ fast
for a 250.
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SailAway
1st Mate

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USA
46 Posts
Response Posted - 08/09/2015 :  16:14:07  Show Profile
I was with David Crosby on this trip! GPS was mounted next to the companion way so handling the unit was not a factor. I guess the boat getting tossed around could have effected the true speed displayed on the GPS. Running downwind in big waves and 30 mph gusts was quite a ride!! We had our hands full so we didn't notice the max speed on the GPS until we were back at the marina. Kudos to David for getting us back safely.
Greg Franklin
2002 C250 WB #649
Carlyle, IL
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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.