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Which long shaft OB would you choose for the 26S or D? The 20" or 25"?

Nov 15, 2020
7
Macgregor 26s Bay City Michigabn
The 20" seems long enough and is not to deep to enjoy the shallow draft ability that these Macs are known for. But in severe steep waves the 25" would be less prone to "hobby horse" while it would be a disadvantage in shallow water with the extra 5 inches of draft. What's been your experience? Thanks.
 

kenr74

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May 3, 2019
46
Magregor 26S Oregon
I had a 20" that would occasionally come out of the water. That was on a 26S in a lake. I would think 25" would be the way to go if you were in any waves at all.
 
  • Helpful
Likes: justsomeguy
Jul 7, 2004
7,103
Hunter 30T Cheney, KS
I didn't have a long shaft on my 26S, but you're rudder is still deeper than that. You should do fine with the longer shaft. My $.02
 

AndyVS

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Sep 4, 2015
36
Macgregor 26S Adrian, MI
I have the 25" 9.9hp motor mounted on a Garelick adjustable motor mount. In smooth water I can run with it most of the way up to get on a beach. When I'm on one of the Great Lakes and it's choppy, I've needed every bit of the 25" with the mount all the way down. It's important to keep water flowing through the impeller. When I bought the boat it had a shorter shaft motor. 2nd time out, I was motoring out of a channel with some chop from other boats and I didn't realize the motor wasn't deep enough. The impeller ran dry & shredded, motor overheated and quit. Wind was pushing us toward rocks on the shore. We dropped anchor to keep the situation from getting worse. A kind soul gave us a tow back.
 
Nov 15, 2020
7
Macgregor 26s Bay City Michigabn
Andy, is the height of the mount "all the way down" about the same height as the permanent mount on the transom or is it higher or lower than that? Was it difficult to mount the Garelick motor mount on the transom with the cut away? I wonder how you mounted it? And where you mounted it? I think it would be an advantage to have it on the mount as one could steer the motor much better for backing than if the motor was constrained by the sides of the permanent motor well on the boat? Also can you reach the controls better from the Garelick than you could from the permanent transom mount?

Thank you all for your help, I need to buy a motor.....
 

AndyVS

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Sep 4, 2015
36
Macgregor 26S Adrian, MI
I've attached a couple of images so you can see the location of the motor mount. and the relative depth of the prop. On the inside of the transom, the mounting bolts are backed with 1/8" aluminum. Notice that when the mount is all the way up the water intake is just below the hull so it works fine for smooth water. When the mount is all the way down, the motor is a bit lower than transom mount. Be sure to buy a mount that is rated for a 4 cycle motor and for the weight of motor you are buying.
The turning of the motor is no problem with the setback on the mount. I have a friend with the same boat without a motor mount and turning is constrained by the walls of the motor well. The mount moves the motor farther back so I sit on the coaming between the cockpit and motor well when motoring in tight quarters. I have a Mercury so the throttle and shift F/R are on the same lever. When I'm in tight quarters with expensive boats around me, I raise the rudder and use only the motor to steer the boat. With the Merc, I only have to look at where I'm going and not looking behind to find a shift lever.
20200517_151212_resized_1.jpg20200517_151256_resized_1.jpg
 
Nov 15, 2020
7
Macgregor 26s Bay City Michigabn
I've attached a couple of images so you can see the location of the motor mount. and the relative depth of the prop. On the inside of the transom, the mounting bolts are backed with 1/8" aluminum. Notice that when the mount is all the way up the water intake is just below the hull so it works fine for smooth water. When the mount is all the way down, the motor is a bit lower than transom mount. Be sure to buy a mount that is rated for a 4 cycle motor and for the weight of motor you are buying.
The turning of the motor is no problem with the setback on the mount. I have a friend with the same boat without a motor mount and turning is constrained by the walls of the motor well. The mount moves the motor farther back so I sit on the coaming between the cockpit and motor well when motoring in tight quarters. I have a Mercury so the throttle and shift F/R are on the same lever. When I'm in tight quarters with expensive boats around me, I raise the rudder and use only the motor to steer the boat. With the Merc, I only have to look at where I'm going and not looking behind to find a shift lever.
View attachment 187405View attachment 187406
Andy I'm thinking of the Merc 9.9 command thrust 25" shaft... Is that the one you have? Which year? I'm asking because I have the push pit stainless railing around the cockpit and wonder if it fits under it when you tilt the motor all the way back for trailering? Thanks so much for your input, along with everyone elses!!!
 

AndyVS

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Sep 4, 2015
36
Macgregor 26S Adrian, MI
I bought my Merc 9.9 new in 2015 new and it has the command thrust with the 25" shaft. The command thrust is great for slow speed maneuvering. I did not get the tilt and trim on the motor and sometimes I wish I had it. I do have a manual motor lifter that makes it easier to tilt the motor so the prop is out of the water when sailing. I do not have a stern rail on my boat but LMK if you need any additional pictures or measurements of my setup.
 
Nov 15, 2020
7
Macgregor 26s Bay City Michigabn
Electric charging is big and important. I guess one must keep the alternator connected to the battery or one loses the alternator...not good... Any way I'd love to hook up a long shaft Merc onto a raise-able motor mount but doubt if i'd have the room to swing it up for road clearance as the stern rail would probably get in the way...drats. Anyone have a motor mounted this way with the stern railing on the boat? Thanks again Adrian.