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I'm looking to put an out board on my duck shooting dinghy for a bit of fun. normally an easy decision and I'd look to use a shaft outboard.
but I'm also keen to use it on some of the hawkes bay gravel rivers when they have some water in them. This is not generally suitable for outboards.
Any suggestions at what I could look to put on the dinghy?
How big is your dinghy? I’ve just decided to do the same, purely to have some fun with the kids. The tinny I’m going to use is somewhere between 2-2.5metres. From what I’ve looked at so far, a 2 stroke between 2.5 and 6hp should work, but I’ve got no real experience.
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a 13 ft fryan tinny will zoom along to about 26kmph wit ha 6hp 4 stroke merc..same boat will do 41kmph with a 15hp 2 stroke
guys on wainono were pushing thier punts along with the electric trolling motors...slightly faster and hell of a lot easier than rowing
as to gravel bottom rivers..there are SOME jet units that go on bum of normal outboard..seems you need a fair bit of hp to drive them at any pace and unsure of availability and cost
You mean like these?:DQuote:
Originally Posted by Micky Duck
Last weeks fun: Go anywhere these things. 4.7m long, 50hp, weighs 150kgs inc motor. Uses about 8L/hr Carry up to 800kgs.
Attachment 225865
If you are thinking of putting an outboard jet on a dinghy you need a "tunnel" on the bottom of the hull to direct water into the intake of the jet unit.
Jet outboards don't come in such a small size to fit on a 8-10 ft tinny.Forget that idea.Best option is a lightweight short shaft 2 stroke but that's probably what you'rve got right now.I think you are attempting the impossible with current technology.Who knows- hydrogen/ kryptonite one day,um hovercraft?
Glad to hear I'm not too far off in my thinking.
Plan is to shoot down the river and do a beer run to the bottle store in waipawa
If you are using it to buy beer then I would definitely go and buy a bigger boat with an outboard jet that will handle the rapids and shallows. The reason is drinking beer gets you in trouble with the wife and buying the boat cant get you into anymore trouble, hows that for logic LOL
you could run a shaft outboard - but put a protective guard around prop just in case you do hit something in a river -could help get ya home - I would go two stroke - little bit lighterQuote:
Originally Posted by Manchester
you do not need a tunnel, a tunnel is only required if you will boat in very skinny water, where it allows you to raise the motor some 75 to 100mm higher on the transom so that the jet intake is protected from rock impacts. Operating in slightly deeper water does not require a tunnel, you just have the front of the intake a fraction below the keelQuote:
Originally Posted by sore head stoat
smallest OB jet is a 25 hp... about 18 hp in real money.
Ok I got that wrong, thanks LBD :thumbsup:. Yip I reckon you lose 1/3 of your hp by putting an ob/j set up on a motor.Quote:
Originally Posted by LBD
....But you triple your fun!:thumbsup:Quote:
Originally Posted by sore head stoat
ton of fun, I have had a few over the years... last one was a 150hp tiller steer setup.... worked well
I have always wanted to set up a 12" pontoon boat with a 25hp... like FREWZA did once.
https://uploads.tapatalk-cdn.com/202...b4a2b7f868.jpg
Look what I found…
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Pretty sure I saw something recently about a proposed review of the navigation/speed rules for boats on HB rivers ? ... all from the controversy created by the video's of guys getting them up to Oamaru .....Quote:
Originally Posted by XR500
Damn near indestructible! Great wee pice of kit!Quote:
Originally Posted by MSL
The review is the District Council's standard 10 yearly review, and the proposals re navigation were drafted well before that occurred.Quote:
Originally Posted by Maxx
There are other forces at play...
Good to hear. I’m hoping it’ll push my 7 foot tinny along at a reasonable pace.Quote:
Originally Posted by stingray
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thread resurrection.
thoughts on a 5 hp 4 stroke vs 5 hp 2 stroke on a 2.6m inflatable tender with an Ali hull?
ideally would like to plane with 2 people. Transom is rated for 26 kg so an 8hp is in theory ok.
You are going to need a 8hp 2stroke
RogerQuote:
Originally Posted by veitnamcam
