Small Boat Motors

A forum for discussing topics relating to MacGregor Powersailor Sailboats
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Inquisitor
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Small Boat Motors

Post by Inquisitor »

Apologies - I imagine something like this has been asked, but I don't seem to have the right keywords.

IF... I were considering doing the Great Loop in my Mac-M, I know there are several sections with long distances between gas stops. Also being retired, I don't see any real need to hurry. I want to see the scenery. Got a couple of questions...
  • I currently have a Mercury 60 Big Foot on it, but was wondering if people have gone the other direction and put small engines on. I know a Catalina 22 owner that only has 6hp on his. I'd like to at least cruise around hull speed without it sounding like a chain-saw motor. Anyone have any experience using something significantly smaller than 50-60hp? Any suggestions on quiet, fuel efficient motors?
  • Not really having a sense of how big these rivers are, and prevailing winds, is it possible (in a useful distance covering way) to sail down the Mississippi, Ohio, Tennessee and Tom Bigbee Waterway to Mobile or will I need to expect to motor the whole way?
Thanks.
Odysseus, expert on the Siren's call
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Starscream
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Re: Small Boat Motors

Post by Starscream »

I don't have a direct answer however, I can say that on a long trip, listening to a loud motor is just horrible. If I was to do a great loop, I would really want a big motor, probably overpropped, that could push the boat at 6mph or so in the mid 1000's RPMs. I suspect there would be limited sailing available on most of that trip; so a good mast-raising system would be important to enable sailing as much as possible.

Here's a great description of a great loop on a Mac: https://web.archive.org/web/20211207184 ... .us/?cat=8
Last edited by Starscream on Sun Apr 21, 2024 4:25 am, edited 1 time in total.
OverEasy
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Re: Small Boat Motors

Post by OverEasy »

Hi Star Scream!

The link is doie thingie doesn’t seem to working…. :o :|

Hi lnquisitor!

First let me say:
There have been several people on the forum who have made the trip around the “LOOP” or at least really significant portions of it who are much more qualified to speak on the realities of 5he adventure you’re wanting to undertake. I would get their perspective over anything I might suggest… they have the experiences.

That said:
There was a guy from down in Florida that was posting about a 25 hp on a Mac26 a while back.
Seemed that he could move around ok by was limited to about 8 or 10 mph as a top speed.
Portions of the Great Loop are on rivers with the route pointed up stream on the likes of the Hudson River & St Lawrence (and others) of similar velocity.

Now there are ways around those but then it get more complicated such as trailer pst those up current sections or using the Erie Cannal.
But to do the “LOOP” in full at some point one will be going down current on the Mississippi and other big rivers. Not sure if a smaller motor would be able to allow you to turn about and head up current when you might need to… like to get back to that marina that just slipped by. There are long stretches between gas stops on the western side of the “LOOP”… there are a couple long stretches on the Eastern side too come to think about it..

Of our own preparations to do the “LOOP” we’re looking at doing it in smaller ‘bite-size’ increments (which is sorta cheating but we don’t :D :D ).
We’re looking to have a slide down auxiliary 5 hp engine for a ‘Plan B’ to self rescue should the need arise… (hopefully NOT. :| :| ) when on the more lonesome stretches like the Dismal Swamp for example… but not as our primary mover. This auxiliary engine would also serve as our dinghy engine. We have a Suzuki DF60AV four stroke for our prime mover.
It’s pretty quiet and handle the low RPM 6 MPH hull speed quite nicely on our excursions on the South Carolina estuaries and rivers. (SIGNIFICANTLY quieter than our old Tohatsu 50 hp).

From some of the discussions we’ve had sailing with just a jib or Genoa seems to be a common approach when using sails on the “LOOP”. Something to quickly deploy and retract when the winds align to the course. There shouldn’t be much that would require a Mac26 series boat to drop the mast for unless one didn’t want to wait for an occasional bridge opening ( although there are several bridges so low that only a kayak or small runabout could safely pass under without the bridge opening/swinging but those are few and far between from what we’ve read and head about).

It sounds exciting! You should have a great time!

Best Regards,
Over Easy 8) 8)
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Starscream
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Re: Small Boat Motors

Post by Starscream »

OverEasy wrote: Sat Apr 20, 2024 9:37 pm Hi Star Scream!

The link is doie thingie doesn’t seem to working…. :o :|

Ah, my fault. I just corrected it in the original post and here it is again. It's the archive link to Chinook's website, an amazing resource and a great read.

https://web.archive.org/web/20211207184 ... .us/?cat=8
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Re: Small Boat Motors

Post by Inquisitor »

Starscream wrote: Sat Apr 20, 2024 5:11 pm I don't have a direct answer however, I can say that on a long trip, listening to a loud motor is just horrible. If I was to do a great loop, I would really want a big motor, probably overpropped, that could push the boat at 6mph or so in the mid 1000's RPMs. I suspect there would be limited sailing available on most of that trip; so a good mast-raising system would be important to enable sailing as much as possible.

Here's a great description of a great loop on a Mac: https://web.archive.org/web/20211207184 ... .us/?cat=8
That sounds perfectly reasonable... that being the sound loud and high-pitched would be grating!

And thanks for the link. I had a bookmark to Chinook's original location and got depressed it had gone stale.
Odysseus, expert on the Siren's call
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