Re: Stus-List New Rudder Steering Tugging
Fwiw, Our prop shaft is on center but there is the usual prop walk caused by the downward angle of the shaft. I simply get the boat steering straight before setting the autohelm to hold course. That means the wheel will be slightly to one side, not much, maybe a third of a spoke. Once she is going how I want, at speed, right RPMs and direction, I lock the lever on the wheel autohelm drive and push the button on the autohelm control. Easy peazey. C > On September 16, 2019 at 1:08 PM Rob Ball via CnC-List > wrote: > > > The engine and Propeller are installed at an angle, because the rotation > of the prop will kick the boat to one side. The angle is an effort to work > against that to balance it out. > > That decision is made when building the first hull of that model and you > can imagine that the engine and propeller that is planned at that moment is > only a guess. Different motors and props will act in different ways . . . . > > So, it’s hard to know if this is what you are feeling . . . . . > > > > Cheers, Rob Ball C 34 > > > > Matthew L. Wolford > Sent: Monday, September 16, 2019 11:38 AM > To: cnc-list@cnc-list.com > Subject: Re: Stus-List New Rudder Steering Tugging > > > > A lot of C (including my 42 and my prior 34) have the shaft offset > just a bit to cause what you’re describing. Perhaps Rob can explain why they > did that. > > > > From: Dan via CnC-List mailto:cnc-list@cnc-list.com > > Sent: Monday, September 16, 2019 11:20 AM > > To: CNC boat owners, cnc-list mailto:cnc-list@cnc-list.com > > Cc: Dan mailto:dgcorm...@gmail.com > > Subject: Stus-List New Rudder Steering Tugging > > > > Hi all, > > So I recently rebuilt my rudder and re-installed it on Breakaweigh. > > We took the boat out yesterday and I noticed when under diesel power that > the wheel is lightly tugging to the port side. I'm not entirely sure if it > did that before or if this is a new tugging. If I were to completely let go > of the wheel the boat would automatically start a broad turn to port just > like your car is supposed to always veer to one side to get you off the road > (so I've heard) > > > > My question is - is this due to the movement/rotation of water from the > prop at 2000 rpm moving water accross the rudder (is this a typical > rudder/prop thing?) OR do I need to adjust the tension in my rudder cables, > OR is my rudder very slightly miss-shapen causing a minor lift" to one side? > > > > When I re-attached the rudder I referenced photos I took of my rudder > cables where they are attached to the quadrant before hand so I could closely > match the threading on each side so that the tensions would be the same as > before. (theoretically) > > > > Thanks everyone, > > > > Dan > > Breakaweigh > > C > > Halifax, NS > > > > > - > > ___ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > > ___ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > > ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
“LIKE” button !! Totally concur John Conklin S/V Halcyon S/V Heartbeat www.flirtingwithfire.com<http://www.flirtingwithfire.com> On Sep 16, 2019, at 1:29 PM, Dan via CnC-List mailto:cnc-list@cnc-list.com>> wrote: Thank-you Rob. I'm just glad to know I didn't make any mistakes with re-assembly. You built an amazing boat and I truly love it. So far all of the information I've gathered from you, and this list since I've started reading it has been incredible. There's a sinking feeling one gets when you discover something (anything) on an aging boat that seems to put your safety, wallet or sanity into question. Having feedback and support like this is truly everything. Thanks everyone! Dan On Mon, Sep 16, 2019 at 2:08 PM Rob Ball via CnC-List mailto:cnc-list@cnc-list.com>> wrote: The engine and Propeller are installed at an angle, because the rotation of the prop will kick the boat to one side. The angle is an effort to work against that to balance it out. That decision is made when building the first hull of that model and you can imagine that the engine and propeller that is planned at that moment is only a guess. Different motors and props will act in different ways . . . . So, it’s hard to know if this is what you are feeling . . . . . Cheers, Rob Ball C 34 Matthew L. Wolford mailto:wolf...@erie.net>> Sent: Monday, September 16, 2019 11:38 AM To: cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com> Subject: Re: Stus-List New Rudder Steering Tugging A lot of C (including my 42 and my prior 34) have the shaft offset just a bit to cause what you’re describing. Perhaps Rob can explain why they did that. From: Dan via CnC-List<mailto:cnc-list@cnc-list.com> Sent: Monday, September 16, 2019 11:20 AM To: CNC boat owners, cnc-list<mailto:cnc-list@cnc-list.com> Cc: Dan<mailto:dgcorm...@gmail.com> Subject: Stus-List New Rudder Steering Tugging Hi all, So I recently rebuilt my rudder and re-installed it on Breakaweigh. We took the boat out yesterday and I noticed when under diesel power that the wheel is lightly tugging to the port side. I'm not entirely sure if it did that before or if this is a new tugging. If I were to completely let go of the wheel the boat would automatically start a broad turn to port just like your car is supposed to always veer to one side to get you off the road (so I've heard) My question is - is this due to the movement/rotation of water from the prop at 2000 rpm moving water accross the rudder (is this a typical rudder/prop thing?) OR do I need to adjust the tension in my rudder cables, OR is my rudder very slightly miss-shapen causing a minor lift" to one side? When I re-attached the rudder I referenced photos I took of my rudder cables where they are attached to the quadrant before hand so I could closely match the threading on each side so that the tensions would be the same as before. (theoretically) Thanks everyone, Dan Breakaweigh C Halifax, NS ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
Thank-you Rob. I'm just glad to know I didn't make any mistakes with re-assembly. You built an amazing boat and I truly love it. So far all of the information I've gathered from you, and this list since I've started reading it has been incredible. There's a sinking feeling one gets when you discover something (anything) on an aging boat that seems to put your safety, wallet or sanity into question. Having feedback and support like this is truly everything. Thanks everyone! Dan On Mon, Sep 16, 2019 at 2:08 PM Rob Ball via CnC-List wrote: > The engine and Propeller are installed at an angle, because the rotation > of the prop will kick the boat to one side. The angle is an effort to work > against that to balance it out. > > That decision is made when building the first hull of that model and you > can imagine that the engine and propeller that is planned at that moment is > only a guess. Different motors and props will act in different ways . . . . > > So, it’s hard to know if this is what you are feeling . . . . . > > > > Cheers, *Rob Ball **C 34* > > > > Matthew L. Wolford > *Sent:* Monday, September 16, 2019 11:38 AM > *To:* cnc-list@cnc-list.com > *Subject:* Re: Stus-List New Rudder Steering Tugging > > > > A lot of C (including my 42 and my prior 34) have the shaft offset just > a bit to cause what you’re describing. Perhaps Rob can explain why they > did that. > > > > *From:* Dan via CnC-List > > *Sent:* Monday, September 16, 2019 11:20 AM > > *To:* CNC boat owners, cnc-list > > *Cc:* Dan > > *Subject:* Stus-List New Rudder Steering Tugging > > > > Hi all, > > So I recently rebuilt my rudder and re-installed it on Breakaweigh. > > We took the boat out yesterday and I noticed when under diesel power that > the wheel is lightly tugging to the port side. I'm not entirely sure if it > did that before or if this is a new tugging. If I were to completely let go > of the wheel the boat would automatically start a broad turn to port just > like your car is supposed to always veer to one side to get you off the > road (so I've heard) > > > > My question is - is this due to the movement/rotation of water from the > prop at 2000 rpm moving water accross the rudder (is this a typical > rudder/prop thing?) OR do I need to adjust the tension in my rudder cables, > OR is my rudder very slightly miss-shapen causing a minor lift" to one side? > > > > When I re-attached the rudder I referenced photos I took of my rudder > cables where they are attached to the quadrant before hand so I could > closely match the threading on each side so that the tensions would be the > same as before. (theoretically) > > > > Thanks everyone, > > > > Dan > > Breakaweigh > > C > > Halifax, NS > > > -- > > ___ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > ___ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
My boat does this. Airplanes do it too – this is just how single engine prop vehicles work unless the shaft is offset. Joe Coquina ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
The engine and Propeller are installed at an angle, because the rotation of the prop will kick the boat to one side. The angle is an effort to work against that to balance it out. That decision is made when building the first hull of that model and you can imagine that the engine and propeller that is planned at that moment is only a guess. Different motors and props will act in different ways . . . . So, it’s hard to know if this is what you are feeling . . . . . Cheers, Rob Ball C 34 Matthew L. Wolford Sent: Monday, September 16, 2019 11:38 AM To: cnc-list@cnc-list.com Subject: Re: Stus-List New Rudder Steering Tugging A lot of C (including my 42 and my prior 34) have the shaft offset just a bit to cause what you’re describing. Perhaps Rob can explain why they did that. From: Dan via CnC-List<mailto:cnc-list@cnc-list.com> Sent: Monday, September 16, 2019 11:20 AM To: CNC boat owners, cnc-list<mailto:cnc-list@cnc-list.com> Cc: Dan<mailto:dgcorm...@gmail.com> Subject: Stus-List New Rudder Steering Tugging Hi all, So I recently rebuilt my rudder and re-installed it on Breakaweigh. We took the boat out yesterday and I noticed when under diesel power that the wheel is lightly tugging to the port side. I'm not entirely sure if it did that before or if this is a new tugging. If I were to completely let go of the wheel the boat would automatically start a broad turn to port just like your car is supposed to always veer to one side to get you off the road (so I've heard) My question is - is this due to the movement/rotation of water from the prop at 2000 rpm moving water accross the rudder (is this a typical rudder/prop thing?) OR do I need to adjust the tension in my rudder cables, OR is my rudder very slightly miss-shapen causing a minor lift" to one side? When I re-attached the rudder I referenced photos I took of my rudder cables where they are attached to the quadrant before hand so I could closely match the threading on each side so that the tensions would be the same as before. (theoretically) Thanks everyone, Dan Breakaweigh C Halifax, NS ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
Yes, my 35 does this also, and with the larger prop and longer prop shat placing it closer to the rudder, it is quite pronounced. I use the friction knob on the pedestal to add some friction so I don't have to always hold the wheel so tight. It definitely increases with speed, so that my wimpy autopilot cannot correct the course over about 5.5 knots due to the pull. I was told the angled shaft was to reduce propwalk, but not sure if this is true. -- Shawn Wright shawngwri...@gmail.com S/V Callisto, 1974 C 35 https://www.facebook.com/SVCallisto On Mon, Sep 16, 2019 at 9:28 AM Dan via CnC-List wrote: > Thanks everyone - this definitely settles the issue for me. > I had a feeling the pull was there before so I'm not totally alarmed by > the effect, and I will certainly try the immediate throttle-down to test > the concept. I imagine it will behave as expected - not sure why I didn't > think of that yesterday when I noticed the effect in the first place. > > Thanks again! > > Dan > >> >> ___ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
Thanks everyone - this definitely settles the issue for me. I had a feeling the pull was there before so I'm not totally alarmed by the effect, and I will certainly try the immediate throttle-down to test the concept. I imagine it will behave as expected - not sure why I didn't think of that yesterday when I noticed the effect in the first place. Thanks again! Dan > > ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
For one thing the offset shaft makes it so that you can get the shaft out without pulling the rudder. This is a very nice feature I took advantage of when installing a shaft seal last year. On the other hand my 34 definitely does pull a bit when motoring. I try to motor as little as possible so it isn’t that big a deal. Nathan Post S/V Wisper 1981 C 34 Lynn, MA > On Sep 16, 2019, at 11:38 AM, Matthew L. Wolford via CnC-List > wrote: > > A lot of C (including my 42 and my prior 34) have the shaft offset just a > bit to cause what you’re describing. Perhaps Rob can explain why they did > that. > > From: Dan via CnC-List > Sent: Monday, September 16, 2019 11:20 AM > To: CNC boat owners, cnc-list > Cc: Dan > Subject: Stus-List New Rudder Steering Tugging > > Hi all, > So I recently rebuilt my rudder and re-installed it on Breakaweigh. > We took the boat out yesterday and I noticed when under diesel power that the > wheel is lightly tugging to the port side. I'm not entirely sure if it did > that before or if this is a new tugging. If I were to completely let go of > the wheel the boat would automatically start a broad turn to port just like > your car is supposed to always veer to one side to get you off the road (so > I've heard) > > My question is - is this due to the movement/rotation of water from the prop > at 2000 rpm moving water accross the rudder (is this a typical rudder/prop > thing?) OR do I need to adjust the tension in my rudder cables, OR is my > rudder very slightly miss-shapen causing a minor lift" to one side? > > When I re-attached the rudder I referenced photos I took of my rudder cables > where they are attached to the quadrant before hand so I could closely match > the threading on each side so that the tensions would be the same as before. > (theoretically) > > Thanks everyone, > > Dan > Breakaweigh > C > Halifax, NS > > ___ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > > ___ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
Re: Stus-List New Rudder Steering Tugging
The "tugging" was most likely there. You didn't notice it far a couple of reasons.1. With the rudder going back in, the shaft was lubed, and moves freely now.2. After all the work that was done. You are more critical as to the steering.3. Under power the prop blades will cause the water to pulse as each blade crosses in front of the rudder. You can test this by having the rudder slightly off center. From a stand still give it half or better throttle.The rudder will tug as each blade passes. Most noticible with a 2 bladed prop. I have seen this before when a customer would pick up his car after some steering work. He had cheap tires which magnified any defect in the road.Doug Mountjoy Sv Rebecca Leah C LF39253-208-1412Port Orchard YC wa. Original message From: Dan via CnC-List Date: 9/16/19 08:20 (GMT-08:00) To: "CNC boat owners, cnc-list" Cc: Dan Subject: Stus-List New Rudder Steering Tugging Hi all,So I recently rebuilt my rudder and re-installed it on Breakaweigh. We took the boat out yesterday and I noticed when under diesel power that the wheel is lightly tugging to the port side. I'm not entirely sure if it did that before or if this is a new tugging. If I were to completely let go of the wheel the boat would automatically start a broad turn to port just like your car is supposed to always veer to one side to get you off the road (so I've heard)My question is - is this due to the movement/rotation of water from the prop at 2000 rpm moving water accross the rudder (is this a typical rudder/prop thing?) OR do I need to adjust the tension in my rudder cables, OR is my rudder very slightly miss-shapen causing a minor lift" to one side?When I re-attached the rudder I referenced photos I took of my rudder cables where they are attached to the quadrant before hand so I could closely match the threading on each side so that the tensions would be the same as before. (theoretically)Thanks everyone,DanBreakaweighC, NS ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
