Hi folks, Tomorrow is "replace my frayed CB pendent "day. I will lift the stern of my M-17 from some beams in my friends barn. I looked today for any indication for the 3/8" stopper pin where the CB's hook comes to rest. Is there a measurement from the pivot bolt ? I will keep searching tomorrow. Also it needs to be driven out from port to Starboard ? or visa versa ? Thanks, Doug Vogel Tie Line #325
Doug: Based on set of dimensions I put together from my cast iron CB, the distance between the CB Pivot pin and CB stopper pin is about 39 inches. As the boat came to me, the stopper pin was a large flat head screw. And by large, I mean the flat head was maybe an inch or more in diameter. Flat, so it was flush with the surface and streamlined. If you have one of these and can't find it, it may have been painted over. But in any event, it is visible in the CB slot from below. The back of the CB is curved in a consistent radius to follow along the stopper pin, with a tang on top that rests upon it when the board is fully down. Newer models replace this tang with a stopper knot in the CB pendent. Can't go lower than the knot you tie in it. What you may find is the stopper pin is bent and mangled from the pounding it takes. As I recall, that flat head screw was not much more than 1/4" or 5/16" in diameter. Plenty enough beef to hold the board up, but not plenty enough to take a heavy pounding if the CB is dropped on it. The nearly 180 pounds of cast iron CB can dish out a beating. Beyond that, the original screw did not pass all the way through the keel as the pivot pin does. It was bedded into the other side. If that is in good shape, fine. If not, the problem becomes what to do about it. A replacement flat head screw of that size is nearly impossible to find and what to screw into if you could? I drilled straight on through and replaced the mangled flat screw with a bolt and locking nut. Measure the amount of clearance you have and size up your bolt to close the gap as much as possible. You will have more beef to rest on. Also the tang on my board was worn down some. Sizing the replacement stopper bolt up a notch or two some gave what was left of the CB tang more area to rest on. That was 10 years ago and it's still "hanging" in there! On Aug 13, 2011, at 11:26 PM, Doug Vogel wrote:
Hi folks,
Tomorrow is "replace my frayed CB pendent "day. I will lift the stern of my M-17 from some beams in my friends barn. I looked today for any indication for the 3/8" stopper pin where the CB's hook comes to rest. Is there a measurement from the pivot bolt ? I will keep searching tomorrow. Also it needs to be driven out from port to Starboard ? or visa versa ?
Thanks,
Doug Vogel Tie Line #325
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PS: Look for the screw head on the starboard side. On Aug 13, 2011, at 11:26 PM, Doug Vogel wrote:
Hi folks,
Tomorrow is "replace my frayed CB pendent "day. I will lift the stern of my M-17 from some beams in my friends barn. I looked today for any indication for the 3/8" stopper pin where the CB's hook comes to rest. Is there a measurement from the pivot bolt ? I will keep searching tomorrow. Also it needs to be driven out from port to Starboard ? or visa versa ?
Thanks,
Doug Vogel Tie Line #325
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doug: out and in from the starboard side for the pins. some discussion here - http://bbs.trailersailor.com/forums/montgomery/index.cgi/noframes/read/2039 the stop pin on the cast iron centerboards is about 1" up from the bottom of the keel and 4"-5" from the aft end of the keel. :: Dave Scobie :: M17 #375 - SWEET PEA :: Sage Marine --- On Sat, 8/13/11, Doug Vogel <shadowmt@earthlink.net> wrote:
Hi folks,
Tomorrow is "replace my frayed CB pendent "day. I will lift the stern of my M-17 from some beams in my friends barn. I looked today for any indication for the 3/8" stopper pin where the CB's hook comes to rest. Is there a measurement from the pivot bolt ? I will keep searching tomorrow. Also it needs to be driven out from port to Starboard ? or visa versa ?
Thanks,
Doug Vogel Tie Line #325
Dave's reference to a CB discussion brings up an important consideration. Namely, you have to get it right for the boat you have. Starting with M17's with older style CB vs. newer glass boards, and even M15's. Some of these are so different, the only think they have in common is the term CB and overall shape. What applies to one does not apply to another. It can be confusing. My assumption was Doug has the older cast iron CB on an M17? A link to see how this works is found here: http://www.msog.org/models/m17/m-17-cb.cfm The MSOG site has a wealth of information and is still one of the best resources out there for our M-Boats. On Aug 14, 2011, at 8:58 AM, W David Scobie wrote:
doug:
out and in from the starboard side for the pins.
some discussion here -
http://bbs.trailersailor.com/forums/montgomery/index.cgi/noframes/read/2039
the stop pin on the cast iron centerboards is about 1" up from the bottom of the keel and 4"-5" from the aft end of the keel.
:: Dave Scobie :: M17 #375 - SWEET PEA :: Sage Marine
--- On Sat, 8/13/11, Doug Vogel <shadowmt@earthlink.net> wrote:
Hi folks,
Tomorrow is "replace my frayed CB pendent "day. I will lift the stern of my M-17 from some beams in my friends barn. I looked today for any indication for the 3/8" stopper pin where the CB's hook comes to rest. Is there a measurement from the pivot bolt ? I will keep searching tomorrow. Also it needs to be driven out from port to Starboard ? or visa versa ?
Thanks,
Doug Vogel Tie Line #325
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When posting, remember that there is no privacy on the Internet!
Thanks very much Howard, Dave, Bones for your suggestions. Now I believe I received poor information from the previous owner. He showed me the stopper hole, and said it was for securing the CB when the boat was on the trailer. He had me remove the 3/8" bolt before putting the boat in the water. I will pull the CB today, and assess any damage. If The tang is still OK, I will use the stopper pin . Otherwise , I will use a knot in the pendent to hold the CB just off the pin. Or experiment.... Thanks again for the valuable info. I am very grateful for the spirit of helpfulness shown by the owners group. Doug Vogel Tie Line - #325 On Aug 14, 2011, at 8:32 AM, Howard Audsley wrote:
doug: glad you have check things out and now _have_ a stop pin. no need for a knot in the pendent. just _slowly_ let the board down until it stops. then raise the board about 1/2", so the pendent is carrying the load, and you are set for sailing. :: Dave Scobie :: M17 #375 - SWEET PEA :: Sage Marine - www.sagemarine.com --- On Sun, 8/14/11, Doug Vogel <shadowmt@earthlink.net> wrote:
Thanks very much Howard, Dave, Bones for your suggestions.
Now I believe I received poor information from the previous owner. He showed me the stopper hole, and said it was for securing the CB when the boat was on the trailer. He had me remove the 3/8" bolt before putting the boat in the water.
I will pull the CB today, and assess any damage. If The tang is still OK, I will use the stopper pin . Otherwise , I will use a knot in the pendent to hold the CB just off the pin. Or experiment....
Thanks again for the valuable info. I am very grateful for the spirit of helpfulness shown by the owners group.
Doug Vogel Tie Line - #325
Dave: You say I should drop the CB, then raise it a bit to hang from the pendant. I have always just let the weight ride on the stop. Why is that a problem? Thanks, Mark House Durango, CO ----- Original Message ----- From: "W David Scobie" <wdscobie@yahoo.com> To: "For and about Montgomery Sailboats" <montgomery_boats@mailman.xmission.com> Sent: Sunday, August 14, 2011 11:49 PM Subject: Re: M_Boats: CB stopper pin doug: glad you have check things out and now _have_ a stop pin. no need for a knot in the pendent. just _slowly_ let the board down until it stops. then raise the board about 1/2", so the pendent is carrying the load, and you are set for sailing. :: Dave Scobie :: M17 #375 - SWEET PEA :: Sage Marine - www.sagemarine.com --- On Sun, 8/14/11, Doug Vogel <shadowmt@earthlink.net> wrote:
Thanks very much Howard, Dave, Bones for your suggestions.
Now I believe I received poor information from the previous owner. He showed me the stopper hole, and said it was for securing the CB when the boat was on the trailer. He had me remove the 3/8" bolt before putting the boat in the water.
I will pull the CB today, and assess any damage. If The tang is still OK, I will use the stopper pin . Otherwise , I will use a knot in the pendent to hold the CB just off the pin. Or experiment....
Thanks again for the valuable info. I am very grateful for the spirit of helpfulness shown by the owners group.
Doug Vogel Tie Line - #325
_______________________________________________ http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats When posting, remember that there is no privacy on the Internet!
mark: don't ride on a 'knot' that sits on the hole in the top of the centerboard trunk. the weight needs to be 'held' by the winch. if you happen to hit something with the centerboard, and the board is resting on the stop pin, the board will rotate out of the way and then CRASH down onto the stop pin ... not good. :: Dave Scobie :: M17 #375 - SWEET PEA - www.m17-375.webs.com :: Sage Marine - www.sagemarine.com --- On Wed, 8/17/11, Mark House <itsmark@bresnan.net> wrote:
Dave:
You say I should drop the CB, then raise it a bit to hang from the pendant. I have always just let the weight ride on the stop. Why is that a problem?
Thanks, Mark House Durango, CO
----- Original Message ----- From: "W David Scobie" <wdscobie@yahoo.com>
doug:
glad you have check things out and now _have_ a stop pin. no need for a knot in the pendent. just _slowly_ let the board down until it stops. then raise the board about 1/2", so the pendent is carrying the load, and you are set for sailing.
:: Dave Scobie :: M17 #375 - SWEET PEA :: Sage Marine - www.sagemarine.com
Good comment. I hadn't thought about the bounce against the 1/4 inch stop bolt! By the way, what is the specified diameter of my forestay? Mine is 1/8 inch and needs to be replaced. Mark ----- Original Message ----- From: "W David Scobie" <wdscobie@yahoo.com> To: "For and about Montgomery Sailboats" <montgomery_boats@mailman.xmission.com> Sent: Wednesday, August 17, 2011 9:24 AM Subject: Re: M_Boats: CB stopper pin mark: don't ride on a 'knot' that sits on the hole in the top of the centerboard trunk. the weight needs to be 'held' by the winch. if you happen to hit something with the centerboard, and the board is resting on the stop pin, the board will rotate out of the way and then CRASH down onto the stop pin ... not good. :: Dave Scobie :: M17 #375 - SWEET PEA - www.m17-375.webs.com :: Sage Marine - www.sagemarine.com --- On Wed, 8/17/11, Mark House <itsmark@bresnan.net> wrote:
Dave:
You say I should drop the CB, then raise it a bit to hang from the pendant. I have always just let the weight ride on the stop. Why is that a problem?
Thanks, Mark House Durango, CO
----- Original Message ----- From: "W David Scobie" <wdscobie@yahoo.com>
doug:
glad you have check things out and now _have_ a stop pin. no need for a knot in the pendent. just _slowly_ let the board down until it stops. then raise the board about 1/2", so the pendent is carrying the load, and you are set for sailing.
:: Dave Scobie :: M17 #375 - SWEET PEA :: Sage Marine - www.sagemarine.com
_______________________________________________ http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats When posting, remember that there is no privacy on the Internet!
mark: all my M17's standing rigging is 1/8". jerry made SWEET PEA a new set of standing rigging in 2007. jerry will return from africa the end of this week (19 aug.). not sure his schedule, but he can make a new forestay for ya' - www.jerrymontgomery.org (prices are out-of-date, about 15% more now) email - jerry@jerrymontgomery.org :: Dave Scobie :: M17 #375 - SWEET PEA - www.m17-375.webs.com :: Sage Marine - www.sagemarine.com --- On Wed, 8/17/11, Mark House <itsmark@bresnan.net> wrote:
Good comment. I hadn't thought about the bounce against the 1/4 inch stop bolt! By the way, what is the specified diameter of my forestay? Mine is 1/8 inch and needs to be replaced.
Mark
----- Original Message ----- From: "W David Scobie" <wdscobie@yahoo.com> Sent: Wednesday, August 17, 2011 9:24 AM
mark:
don't ride on a 'knot' that sits on the hole in the top of the centerboard trunk. the weight needs to be 'held' by the winch.
if you happen to hit something with the centerboard, and the board is resting on the stop pin, the board will rotate out of the way and then CRASH down onto the stop pin ... not good.
:: Dave Scobie :: M17 #375 - SWEET PEA - www.m17-375.webs.com :: Sage Marine - www.sagemarine.com
--- On Wed, 8/17/11, Mark House <itsmark@bresnan.net> wrote:
Dave:
You say I should drop the CB, then raise it a bit to hang from the pendant. I have always just let the weight ride on the stop. Why is that a problem?
Thanks, Mark House Durango, CO
participants (4)
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Doug Vogel -
Howard Audsley -
Mark House -
W David Scobie