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#12710981 - 04/10/18 01:54 PM TM shaft size for pontoon
Sandblaster Offline
Angler

Registered: 09/06/11
Posts: 424
Loc: Lake Lavon
I have a 19.5 foot pontoon boat and would like to install a Ulterra. I would prefer getting a 36 volt but it seems that the only shaft length sizes for the 36 volt is 45 inches and 60 inches. Is 60 inches just entirely too long? 45 inches seems too short.
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#12711305 - 04/10/18 07:37 PM Re: TM shaft size for pontoon [Re: Sandblaster]
Capt Craig Offline
Extreme Angler

Registered: 08/25/09
Posts: 1627
Loc: Richland-Chambers
Nothing is too long unless it won't fit on the boat. I prefer a longer shaft so that on rougher days, I can keep the TM deeper so it stays in the water when the boat is rocking.
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#12711599 - 04/11/18 01:32 AM Re: TM shaft size for pontoon [Re: Sandblaster]
scruboak Offline
Extreme Angler

Registered: 03/11/03
Posts: 1292
Loc: Cisco,tx
60 inches will be fine ....

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#12711764 - 04/11/18 08:38 AM Re: TM shaft size for pontoon [Re: Sandblaster]
boocat Offline
Extreme Angler

Registered: 07/30/12
Posts: 1215
Loc: Hill Country
Minn Kota seems to think that 48" is ok. That's the length of their "pontoon" motor, but it only goes up to 24v 68LB. I'm sure they wouldn't sell it if it was not appropriate, it can also be fitted with co-pilot, I-pilot... It's the one I'm looking at for an 18' bass buggy. I did some casual measuring and it certainly looks ok. Longer shaft will take a lot of space on a small boat. I don't know about Ulterra but on their basic motor models it is possible to remove the head, cut the shaft and reassemble. I've done it on a Traxxis.


Edited by boocat (04/11/18 09:11 AM)

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#12712859 - 04/11/18 09:55 PM Re: TM shaft size for pontoon [Re: Sandblaster]
Bobby Milam Online   content
TFF Team Angler

Registered: 07/13/14
Posts: 3579
Loc: Arlington
I have a 60" ulterra on my bass boat because 45 would have been too short. You can trim it up or down with a touch of the button. I would say that if I can use a 60" on my boat, you would probably have no problem with it on a pontoon. Measure down 45" from the deck and see where the head would be. Take into consideration how much the front of the boat would lift in a little rough water. It will ride a higher above your deck if you are in shallow water but you learn to work around it pretty easily. In deep water you can just trim it all the way down. It actually makes it easier to steer with it up higher because you have to look at the head to see the direction it is headed anyway.

You can't trim the shaft down like the other motors because this one has a belt. It probably can be done but not easily getting everything to sync up for the auto deploy and stow.

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#12713200 - 04/12/18 08:36 AM Re: TM shaft size for pontoon [Re: Sandblaster]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11468
Loc: Littlefield Tx & Lake A. H. US...
60in. works fine.
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The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD

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#12713303 - 04/12/18 09:45 AM Re: TM shaft size for pontoon [Re: Sandblaster]
BigDad Offline
Extreme Angler

Registered: 10/16/03
Posts: 2336
Loc: Melissa, TX, USA
Yeah, 45" is too short. If you are fishing in moderate chop, you'll struggle keeping the prop in the water and lose traction. 60" is what I had on mine and had no problem. It does take up a little deck space when not deployed but it wasn't a big deal.
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#12713919 - 04/12/18 04:16 PM Re: TM shaft size for pontoon [Re: Sandblaster]
Alumacraft 14 Offline
Angler

Registered: 02/24/06
Posts: 300
Loc: Texas
Everyman wants a longer shaft....duh

nannyboo

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