Our boat sings also. On Shift, it's definitely the rigging. At certain wind speeds and direction, there is a very noticeable hum. Lashing a boathook to the port shrouds helps a lot, but sometimes nothing stops it.
Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC On Wed, 17 Jun 2020 at 17:15, dwight veinot via CnC-List < cnc-list@cnc-list.com> wrote: > I guess it’s what works best for you. I have a 3 blade autoprop and trans > in forward while under sail is best. The diff between reverse or neutral > and forward is increased speed and no propellor noise. For example Sailing > to weather at 5.5 in neutral or reverse will almost instantaneously go 6 or > better when shifted into forward and slight rotational sounds disappear. I > call it “passing gear” > > On Wed, Jun 17, 2020 at 3:48 PM George Cone via CnC-List < > cnc-list@cnc-list.com> wrote: > >> I thought over the years the accepted recommendation was to put it into >> Reverse? >> >> >> >> George Cone >> >> 1981 C&C 40 >> >> >> >> *From:* CnC-List <cnc-list-boun...@cnc-list.com> *On Behalf Of *Marek >> Dziedzic via CnC-List >> >> >> *Sent:* Wednesday, June 17, 2020 2:42 PM >> *To:* cnc-list@cnc-list.com >> *Cc:* Marek Dziedzic <dziedzi...@hotmail.com> >> *Subject:* Re: Stus-List C&C 35 Mark III >> >> >> >> Most (as in "check your transmission manual") transmission manuals call >> for a neutral gear, when sailing. Iirc, Yanmar had a special bulletin where >> they said that if you don't sail in neutral, they would void your warranty >> (like this really matters for our boats). >> >> >> >> Marek >> >> >> >> >> >> -------- Original message -------- >> >> From: Bill Coleman via CnC-List <cnc-list@cnc-list.com> >> >> Date: 2020-06-17 13:05 (GMT-05:00) >> >> To: cnc-list@cnc-list.com >> >> Cc: Bill Coleman <colt...@gmail.com> >> >> Subject: Re: Stus-List C&C 35 Mark III >> >> >> >> I see. >> >> I just mention it, because I think from past discussions there was >> mention that shafts spinning in neutral could damage the Transmissions. >> >> >> >> Bill >> >> >> >> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com >> <cnc-list-boun...@cnc-list.com>] *On Behalf Of *schiller via CnC-List >> *Sent:* Wednesday, June 17, 2020 12:09 PM >> *To:* cnc-list@cnc-list.com >> *Cc:* schiller >> *Subject:* Re: Stus-List C&C 35 Mark III >> >> >> >> Bill, >> >> It is a two blade fixed prop. It spins! >> >> The singing is probably around 400 hz. I might use my phone with the db >> app and find what actual frequency it is. It is not a concerning sound, >> just wondered if we are unique. >> >> I have thought about a geared feathering prop but the boat bucks always >> make me keep thinking. Grace was never raced and has a fixed prop, no >> adjustable backstay adjuster and fixed babystay adjustment. I can live >> with those though I have thought about prop and hydraulic backstay adjuster. >> >> Neil Schiller >> 1983 C&C 35-3, #028, "Grace" >> Whitehall, Michigan >> WLYC >> >> On 6/17/2020 9:40 AM, Bill Coleman via CnC-List wrote: >> >> I don’t think your shaft should be spinning. >> >> Can’t you put it in reverse to stop the shaft from spinning, then >> neutral? Or do you not have a folding prop – >> >> >> >> Bill Coleman >> >> >> >> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com >> <cnc-list-boun...@cnc-list.com>] *On Behalf Of *schiller via CnC-List >> *Sent:* Wednesday, June 17, 2020 7:38 AM >> *To:* cnc-list@cnc-list.com >> *Cc:* schiller >> *Subject:* Re: Stus-List C&C 35 Mark III >> >> >> >> Ron, >> >> Yes. We sail with the transmission in neutral and can tell that the >> shaft is spinning. We noted it the day that we sailed here home almost >> three years ago. We tried to locate the source when we first heard it but >> can't really locate the source. She sings on both tacks. It doesn't >> concern us that she does this. Just curious if she is unique. >> >> Neil Schiller >> 1983 C&C 35-3, #028, "Grace" >> Whitehall, Michigan >> WLYC >> >> On 6/17/2020 1:14 AM, Ronald B. Frerker via CnC-List wrote: >> >> Does it always happen at that speed; in other words, does a different >> alignment of the prop change anything? >> Ron >> Wild Cheri >> C&C 30-1 >> STL >> >> On Tuesday, June 16, 2020, 08:11:05 PM CDT, Graham Collins via CnC-List >> <cnc-list@cnc-list.com> <cnc-list@cnc-list.com> wrote: >> >> >> >> >> >> Hi Neil >> >> No singing on hull #11. We originally had a 2 blade fixed prop, and now >> are running a Kiwi Prop. >> >> Graham CollinsSecret PlansC&C 35-III #11 >> >> On 2020-06-16 7:22 p.m., schiller via CnC-List wrote: >> >> OK Mark III owners, our C&C 35-3 "signs" with speeds between about 4.5 to >> 5 knots. It is a definite harmonic signing that I have never been able to >> isolate. We have a 2 blade fixed prop and sail with the transmission in >> neutral. I am not complaining, I love it when she goes into singing mode. >> It goes away above 5 knots and there is no impediment to exceeding that >> speed. My question is if "Grace" is unique or does anyone else show this >> phenomena? >> >> BTW, we noted no singing when we hit 7.7 knots Sunday afternoon. >> >> Neil Schiller >> 1983 C&C 35-3, #028, "Grace" >> Whitehall, Michigan >> WLYC >> >> >> _______________________________________________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 >> >> >> >> >> _______________________________________________ >> >> 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 >> >> -- > Sent from Gmail Mobile > _______________________________________________ > > 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
