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Thread: New 3.7m tinny - go short shaft or long shaft?

  1. #1

    New 3.7m tinny - go short shaft or long shaft?

    I'm wondering what leg length to go with for my new tinny. I'm going to get a Sea Jay 3.7 Nomad HS which can come as either a short shaft or a long shaft. I'm going to power it with a Merc Super 15. What a the pros and cons of short shaft v long shaft other than its always better to have a long shaft?

    The only things I can think of is a short shaft might be a bit easier to store when car topping and a long shaft might be a benefit by being up out of the spray a bit more.

    Any wisdom?

    Cheers
    Craig

  2. #2

    Re: New 3.7m tinny - go short shaft or long shaft?

    Hey Craig,

    Other then the possibility of the long shaft being hard to store, the only other cons are the small increase in price and weight, though being only a small outboard I would say these would be marginal.

    P.s. Good choice with the Sea Jay!

  3. #3

    Re: New 3.7m tinny - go short shaft or long shaft?

    You may want to change your motor for some reason down the track and it would be a lot easier to sell a long shaft than a short shaft. You may even want to change hulls and keep the motor, the new hull you buy may not be suited to a short shaft. I would go the long shaft.

  4. #4

    Re: New 3.7m tinny - go short shaft or long shaft?

    There is less likelihood of water sloshing over the transom with a long shaft. I'd rate the 15hp as a much better motor than the 15 Super. The integrated throttle/gearshift is awesome, as is the ease of tilting into shallow water drive.
    Dale

    I fish because the little voices in my head tell me to

  5. #5

    Re: New 3.7m tinny - go short shaft or long shaft?

    Yep agree with the gear throttle setup, I had a 9.9 years ago, and it had the combined gear throttle, and at first I thought it would be crap, but when I upgraded later on to a 20, I wanted the same thing again, it's great to use. OH, and go long shaft!

  6. #6

    Re: New 3.7m tinny - go short shaft or long shaft?

    Long shaft is a bit of a pisser trying to mount onto camper trailers etc - everything is designed for short shaft in the camping world. I've got a long shaft 9.8 that I'm thinking about swapping to short for that only reason.
    nil carborundum illegitimi

  7. #7

    Re: New 3.7m tinny - go short shaft or long shaft?

    I traveled with a short shaft yami 15 for many years as a car topper. My mate did the same with a long shaft Johnson.
    I'd go short shaft if your doing a lot of bush trips with the boat on the roof.

    sent from the beerhunter

  8. #8

    Re: New 3.7m tinny - go short shaft or long shaft?

    Nothing like backing a short shaft into a chop or pulling up quickly and taking one over the transom.
    Cheers
    Ray

  9. #9

    Re: New 3.7m tinny - go short shaft or long shaft?

    Thanks for the feedback everyone. Looks like long shaft is the majority. It will only get put on top of the camper two or three times a year and the camper bracket barely fits my short shaft 8, so modification is in order anyway. I have heard that the merc super 15 is more agricultural than the normal 15 but I can get one for the right price and I want the extra ponies.

    Cheers
    Craig

  10. #10

    Re: New 3.7m tinny - go short shaft or long shaft?

    Long shaft would also be more suitable as an auxiliary for the big boat.

  11. #11

    Re: New 3.7m tinny - go short shaft or long shaft?

    I've got a Merc Super. Good little donk but if you want to do a bit of trolling, the US built engine will by all reports be far superior. The little Super idles about as rough as I suspect an engine can without stalling to the point you have to give it some revs. Apart from that though it is a great little donk.

  12. #12

    Re: New 3.7m tinny - go short shaft or long shaft?

    G'day Craig,
    Kinda defeats the purpose of having a high sided tinnie and putting a short shaft motor on it. I am ordering a 3.7 Nomad (standard) for fishing the Cape in a long shaft yamaha 15 and having the transom made to suit. The yamaha long shaft is 22" and the transom on the Nomad is to suit a 20" outboard. They are charging me an extra $100 for something they should have gotten right themselves.Cheers

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