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Average Cat Speed?

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fish n ships View Drop Down
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Post Options Post Options   Quote fish n ships Quote  Post ReplyReply Direct Link To This Post Topic: Average Cat Speed?
    Posted: 28 May 15 at 10:58am
I'm looking to plan a long offshore trip of around 80 miles around part of the UK.  As a starting point I'm looking at what type of boat to use.  I think this will heavily influence all the other decisions (e.g. estimated time schedule, safety cover needs, accommodation (if needed) etc...)

A cat (e.g. F18) would obviously be a good way to cover the distance as they are relatively stable (compared to a fast mono) and very quick.  My question is assuming a constant reasonable wind speed (say F3-4) what kind of distance might be expected to be covered per hour? 

I know that this is far from a simple answer as it depends on whether you are beating, kite angles, sea state etc.  However there are quite a few long distance races out there so using them to get a rough idea of the time taken to cover that kind of distance, what are people thinking? 

I know the Anglesey Offshore race is 30 miles for cats and doesn't take all day, but i can't find any times as last year the course was reduced due to weather and only mono's entered.  I don't know enough about the other races to be able to judge anything from them.
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Post Options Post Options   Quote a_dowley Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 15 at 1:46pm
Here are the East Coast Piers Race results from last year.

We sailed to Clacton and back. About a force 1-2 going out, 3-4 coming back.

The full race is 48 miles round trip but we stopped at the turn mark before that so probably around 38 miles.

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Post Options Post Options   Quote fish n ships Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 15 at 2:30pm
Thanks, so based on all those results, an average of 5hr 15mins for 38 miles would be around 7.2 mph would be around 11 hours for 80 miles.

Gives me a starting point, thanks!
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 15 at 3:04pm
And take enough food to last you rather longer...
Firefly 2324, Lightning 130, Puffin 229, Leader, Topper 44496, yellow Minisail
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Post Options Post Options   Quote catmandoo Quote  Post ReplyReply Direct Link To This Post Posted: 31 May 15 at 5:57pm
Lochness 50 miles ish , circa 4 hours As far as i can remember
 , windward leeward so sailed considerable further , tacking upwind and gybing down 


Edited by catmandoo - 31 May 15 at 5:59pm
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Post Options Post Options   Quote fish n ships Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jun 15 at 9:48am
That's encouraging, what was the boat and wind speed?  I know the flatter water helps but still a good time.
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Post Options Post Options   Quote catmandoo Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jun 15 at 1:52pm
flat water !!!! lochness 25 miles  long on section we raced , so 25 mile fetch for waves , wind force 4 to 6 (proper ) did first year in hurricane 5.9 sx , second time solo in stealth sxl , both circa 4 hrs , 2nd race off to slow start, but wind soon kicked in , these times with 3 capsizes thrown in both races !! , both times ahead of any f18s (actually passed when suffered triple capsizes at finish race 1 through sheer fatique !), but they werent up to much in those days (rocket ships now , guess as quick if not quicker than tornado )  , first year was won by an auss pro in a Tornado who was off the planet speed wise , I thought he had retired as sooo far ahead I couldnt see him , i was second until wheels fell off my wagon with 2 miles to go !!!

Edited by catmandoo - 01 Jun 15 at 2:20pm
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Post Options Post Options   Quote catmandoo Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jun 15 at 2:14pm
truth will out , 
2nd was won by aussie 

first by A class champ Chris fields crewing in a tornado .

2nd race 
 

http://www.yachtsandyachting.com/news/138174/Loch-Ness-Monster-Race, stealth overtaken by 2nd a cat on finishline whilst capsized !!, mr brown too far back to see whit going on ;)



Edited by catmandoo - 01 Jun 15 at 2:15pm
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Post Options Post Options   Quote fish n ships Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 15 at 3:37pm
Thanks for this, were the speeds due to the extreme winds?  I only ask as it is unlikely that we would set off if the winds were much above a F4.

Looks to have been some epic racing though!
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Post Options Post Options   Quote catmandoo Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jun 15 at 10:40am
sorry for getting soo carried away with Monster tales , it was truely epic racing which anyone who has done it will attest too :) 

Reckon you will get best out a cat in real solid  F3- F4 ,

vmg's down wind improve dramatically in stronger winds as you can almost dead run (assuming you flying kite ) 

80 miles in a full F4 in waves could be interesting :) 
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