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-   -   Backup Motor & Dinghy Motor? CS27 & SiB (https://www.sailnet.com/forums/cs-yachts/244521-backup-motor-dinghy-motor-cs27-sib.html)

Patrick.a7 03-04-2016 12:14 PM

Backup Motor & Dinghy Motor? CS27 & SiB
 
Hey all,

I'm getting ready to buy a motor for my SIB, a Zodiac 260. I'm wondering, is it a wise idea to use my Sib's outboard as a back up motor(I mean, I would use it in a pinch either way but..). Should I get a motor that's a little larger than recommended for the SIB just in case? Thoughts...

Faster 03-04-2016 02:04 PM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
What use is intended for the dinghy? If it's just back and forth to shore from anchor or mooring, then a small lightweight motor is going to be a lot nicer to work with.( and less costly).. OTOH if you intend to use it for longer runs to a supply point, lots of fishing, then a faster setup might be desirable.

Probably the most effective way to use whichever as a 'backup' would be to tie the dinghy securely to one quarter of the CS, and 'push tow' that way. Often referred to as hip towing. I recently helped move a CS 27 35 NM in this fashion,unfortunately on a calm day (otherwise we could have sailed her) but we did have a small RIB and a larger motor - making 4-4.5 knts this way. A 2-3 HP motor would have been slower, of course, but may well still have gotten us there.

Patrick.a7 03-04-2016 03:09 PM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
Yeah, My slip is located on a Island, the marina runs a tender during "business" hours but I'll be going to it at all hours. The harbour I'll be crossing is a super busy one and there will be some night crossings. I'm opting for a 6hp instead of a 4hp(which is recommended by the SIBs specs), although to me a nine is what I really want. Cost is very similar to the used motors I'm looking at.

Lake Superior Sailor 03-04-2016 07:58 PM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
You can put any size motor on a boat. But; When you exceed the recommended max you accept the responsibility...Dale

Matt 03-05-2016 12:40 AM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
1 Attachment(s)
my boat has an outboard backup. the only real issue i would see aside from the possible custom work needed to mount it to the back is that youll need a long shaft for the boat, and short shaft is more suitable for a dinghy.
the outboard is an 8hp and the inboard diesel is a 7.5 hp. ive never pushed the outboard as hard as it can go, i make about 5-6 knots at just less than half throttle.

Lake Superior Sailor 03-05-2016 07:33 AM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
Practical but it doesn't help the looks! With that set up a short shaft would work Ok......Dale

Faster 03-05-2016 10:06 AM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
Look at Matt's image/setup, and here's the stern of the CS 27 (btw.. didn't know they made it in that awful colour)..

http://i213.photobucket.com/albums/c...psil2uh420.jpg

You can see how problematic any outboard mounted there, or even the motor mount, would be with that rather massive rudder on a narrow transom.

Matt 03-05-2016 11:37 AM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
Quote:

Originally Posted by Lake Superior Sailor (Post 3375353)
Practical but it doesn't help the looks! With that set up a short shaft would work Ok......Dale

that motor is a long shaft. waves at 4' and the prop starts breaking through the surfacer. anything over 6-7 ft and the prop leaves the water entirely. a short shaft on my boat would be practically unusable except in glass conditions.

Ninefingers 03-05-2016 04:50 PM

Re: Backup Motor & Dinghy Motor? CS27 & SiB
 
Quote:

Originally Posted by Patrick.a7 (Post 3373681)
Hey all,

I'm getting ready to buy a motor for my SIB, a Zodiac 260. I'm wondering, is it a wise idea to use my Sib's outboard as a back up motor(I mean, I would use it in a pinch either way but..). Should I get a motor that's a little larger than recommended for the SIB just in case? Thoughts...

Are you using to drop guests back to Queens Quay? Or just using it for beer runs :). I guess it all comes down to how you will use it MOST of the time. Lugging a 9hp isn't much fun. Especially with no swim swim platform to help.

I've noticed in the last few years that the amount of water taxis in the harbour has grown a lot - might be an option to go with a smaller outboard and hire a taxi when you need to do a fast crossing.


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