Bristol 35 Center Board replacement - SailNet Community
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post #1 of 19 Old 04-16-2015 Thread Starter
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Bristol 35 Center Board replacement

I am looking at purchasing a 73 Bristol 35 center board keel.
The center board was removed at some point. If I get this boat I would like to replace the centerboard. I'm not having any luck on finding information- drawings, experience, knowledge is greatly welcome.
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post #2 of 19 Old 04-16-2015
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Re: Bristol 35 Center Board replacement

I don't have any specific information about this model. However, as is mentioned frequently here, there are more active forum on the Yahoo site.

https://groups.yahoo.com/neo/groups/...oatowners/info
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post #3 of 19 Old 04-17-2015
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Re: Bristol 35 Center Board replacement

I can be of some help... Your centerboard actuator apparatus will be different than mine, but if you have questions about your setup, I do know how it was done and can point you in the right direction. There are detailed plans of the board it's self in my thread, you may have to scale it up for your boat, but maybe not. Centerboard repair-Bristol 32

Eric
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post #4 of 19 Old 07-11-2015
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Re: Bristol 35 Center Board replacement

I just wrote up my 35.5 CB replacement in this month's Good Old Boat magazine, including measuring, designing and build
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post #5 of 19 Old 08-04-2015
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Re: Bristol 35 Center Board replacement

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Originally Posted by sanibel sailor View Post
I just wrote up my 35.5 CB replacement in this month's Good Old Boat magazine, including measuring, designing and build
Any chance of getting a link to the info on this repair and or post the info here on sailnet for preservation? I'm not sure how long GOB keeps their articles. And I can not find your article in GOB. I think it would be more help to other Bristol owners to have the info on a Bristol forum.

Thanks,

Eric
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post #6 of 19 Old 08-04-2015
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Guy in NJ parting out a Pearson 35 and has the centerboard for sale. May fit.
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post #7 of 19 Old 08-04-2015
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Re: Bristol 35 Center Board replacement

I own an older Pearson Wanderer with a full keel and centerboard, drawing 3'-6" (up) / 7'-0" (dn). Being new to CB's, I asked about the benefits of having the CB down while having the boat surveyed. The seasoned surveyor said you can expect to gain 2 to 3 degrees on the wind and make slightly less leeway. He said many people abandon them and never look back - unless you are racing or traveling long distances they can be more trouble than they are worth on an older vessel. That being said, I plan on keeping and using mine, but for others it may be a viable option to omit the CB.

Best,
doo

S/V Little Tortuga - 1969 Pearson Wanderer 30
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post #8 of 19 Old 08-04-2015
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Re: Bristol 35 Center Board replacement

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Originally Posted by scubadoo View Post
Being new to CB's, I asked about the benefits of having the CB down while having the boat surveyed. The seasoned surveyor said you can expect to gain 2 to 3 degrees on the wind and make slightly less leeway. He said many people abandon them and never look back - unless you are racing or traveling long distances they can be more trouble than they are worth on an older vessel.
There is a bit more to CB benefits. I would add the following:
- less heel when deployed from additional surface and weight below
- helps to balance the boat (less weather helm) which is important when using wind vane or autopilot.
- when negotiating a shallow water area (in sand or mud) centerboard can be used as a depth gauge.

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post #9 of 19 Old 08-04-2015
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Re: Bristol 35 Center Board replacement

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Originally Posted by krisscross View Post
There is a bit more to CB benefits. I would add the following:
- less heel when deployed from additional surface and weight below
- helps to balance the boat (less weather helm) which is important when using wind vane or autopilot.
- when negotiating a shallow water area (in sand or mud) centerboard can be used as a depth gauge.
+1 on that!

I find that there is very little maintenance to the Crb...check the cable every 5 years and replace the sheaves and cable every 20 years.

Eric
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post #10 of 19 Old 08-04-2015
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Re: Bristol 35 Center Board replacement

Quote:
Originally Posted by scubadoo View Post
I own an older Pearson Wanderer with a full keel and centerboard, drawing 3'-6" (up) / 7'-0" (dn). Being new to CB's, I asked about the benefits of having the CB down while having the boat surveyed. The seasoned surveyor said you can expect to gain 2 to 3 degrees on the wind and make slightly less leeway. He said many people abandon them and never look back - unless you are racing or traveling long distances they can be more trouble than they are worth on an older vessel. That being said, I plan on keeping and using mine, but for others it may be a viable option to omit the CB.

Best,
doo
I think it really depends on the boat, and it's sailing characteristics. Some centerboard/swing keel really are such poor performers that it does not matter. That seems to be where the thought of them being unnecessary came from. Also some boats seem to implement the raising mechanism better than others. A third factor is how much of a keel is there that the board goes into. Some have a pretty long and fairly effective keel without the centerboard. Seems many Endeavor 32s just eliminate it. Not sure what I would do, but it really does not seem like the maintenance is going to be all that expensive anyway. A cable (many replace with Dynema) is cheap and even if the pivot pin goes out it may be a pain in the arse to dig the old one out, not very expensive or difficult to replace once it is dug out.

But I have heard more than one sailor say they don't bother with it. I do know one boat I have sailed on with a centerboard gets really really bad weather helm without it being down. To the point that I was holding the tiller, and pushing with my legs on the opposite side of the cockpit. The wind had kicked up pretty bad unexpectedly and we were heading in anyway and it had to be brought up before going in so we just dealt with it.
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