You get access to the belt by separating the two halves of the assembly that is attached to the wheel.
Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Fri, Jun 25, 2021 at 6:08 PM Peter Cowenhoven via CnC-List < cnc-list@cnc-list.com> wrote: > Thanks so much Joe. Didn't know there was a belt on the 4000. Does it go > around the whole wheel assembly? It's hidden nicely. > > I will probably do as you say and buy a new drive unit and see if that > works. > > > > Sent from Yahoo Mail on Android > <https://urldefense.com/v3/__https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature__;!!LIr3w8kk_Xxm!_OLkIQkgR48xPT56XE72c9UxavRne3qKxYol6B4_Dk25_4iotzzfI31WdJTD8fJVsPA$> > > On Thu, Jun 24, 2021 at 3:58 PM, Della Barba, Joe via CnC-List > <cnc-list@cnc-list.com> wrote: > > I have an old AH-4000. If it starts doing what you describe the belt may > be slipping or the pin that holds the drive gear is going. I have rebuilt > my drive many times and my current unit is a combination of 3 or 4 old ones > I have scavenged over the years. > > You can try and fix it or get a new drive for around $600 or so. It will > work fine with the AH-4000 computer. The CPT is a much stronger unit, but > keep in mind in both cases the weight of the boat is being used as a proxy > for how hard the boat is to steer. These things are really only loosely > related at best. An AH-4000 has plenty more power than needed to steer a > freighter, it isn’t physically hard to steer a big ship. The issue would be > the steering algorithms would be way off. > > If your boat is hard for YOU to steer, Otto will have a hard time too. > After fixing or replacing your drive I would look to getting the boat to > balance. > > All that said, the AH-4000 is hopeless in a big following sea. > > > > Joe > > Coquina > > C&C 35 MK I > > > > > > *From:* Peter Cowenhoven via CnC-List <cnc-list@cnc-list.com> > *Sent:* Thursday, June 24, 2021 2:18 PM > *To:* Stus-List <cnc-list@cnc-list.com> > *Cc:* Peter Cowenhoven <pscowenho...@yahoo.com> > *Subject:* [EXTERNAL] Stus-List Wheel Drive Autopilot > > > > Does anyone have any experience with the CPT belt driven vs the old > Autohelm 4000? Does the CPT have more turning force? > > > > I've got the old 4000 and many times it doesn't turn the wheel and just > clicks. Certainly when there's a lot weather helm there's no chance. > > > > I'm also wondering if a new 4000 drive unit would be able to hold the > force of the wheel better. > > > > I see the 4000 or the new EV 1000 is rated st 16,500 and I'm at about > 13,500 while the CPT is rated to 40,000. > > > > Thanks in advance for any intel or thoughts on this. > > > > Best, > > > > Peter > > > > 84 Landfall 35 > > Westbrook, CT > > > > Sent from Yahoo Mail on Android > <https://urldefense.com/v3/__https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature__;!!LIr3w8kk_Xxm!_OLkIQkgR48xPT56XE72c9UxavRne3qKxYol6B4_Dk25_4iotzzfI31WdJTD8fJVsPA$> > Thanks to all of the subscribers that contributed to the list to help with > the costs involved. If you want to show your support to the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > <https://urldefense.com/v3/__https://www.paypal.me/stumurray__;!!LIr3w8kk_Xxm!_OLkIQkgR48xPT56XE72c9UxavRne3qKxYol6B4_Dk25_4iotzzfI31WdJTDtcTG1-s$> > Thanks - Stu > > Thanks to all of the subscribers that contributed to the list to help with > the costs involved. If you want to show your support to the list - use > PayPal to send contribution -- > https://urldefense.com/v3/__https://www.paypal.me/stumurray__;!!LIr3w8kk_Xxm!_OLkIQkgR48xPT56XE72c9UxavRne3qKxYol6B4_Dk25_4iotzzfI31WdJTDtcTG1-s$ > Thanks - Stu
Thanks to all of the subscribers that contributed to the list to help with the costs involved. If you want to show your support to the list - use PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu
