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-   -   Duo prop outboards? (https://www.offshoreonly.com/forums/general-boating-discussion/355338-duo-prop-outboards.html)

rak rua 07-15-2018 12:48 AM

Duo prop outboards?
 
Maybe I'm a bit slow but I didn't even know this had happened. Is Mercury likely to follow suit?. (Please don't tell me they already have and I'm even further behind than I thought!)
Probably not the fastest thing around but for the big CC's and crossover/bowrider types, it could work well.......

RR

https://cimg9.ibsrv.net/gimg/www.off...e3843b5c4e.jpg


madbouyz 07-15-2018 07:21 AM

Suzuki had (and maybe Yamaha as well) one of these at least 10-15 years ago , but of course the engines were a lot smaller then .
Two of the guys on the Donzi.net have them on their C16s and wouldn't trade 'em for anything .

rak rua 07-15-2018 07:42 AM

Well there we go, if you want up to date info, don't ask me.
Thanks for that madbouyz, we can close this thread now!

RR (suitably embarrassed) :(





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madbouyz 07-15-2018 07:49 AM

Now ,now , no need for embarrassment ! lol
Actually if I recall , going back a few decades , Yamaha also produced a jet drive outboard for a short while .
If you haven't already , the next time you see someone with a smallish single engined D/P boat ask them if you can go out for a test.
I know that most people think they're miles slower than a single prop but they're really pretty amazing .

rak rua 07-15-2018 08:07 AM

Jet drive outboard?
Australian lawn mower manufacturer 'Victa' produced a 125cc outboard jet back in the early 70's. It was a bomb.
I've owned duoprop sterndrives before and they worked well, guess the outboard version was a logical progression but nobody told me! I'll keep a closer eye out for them now.

RR





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madbouyz 07-15-2018 09:38 AM

Actually I didn't know that there was still D/P outboards available so seeing those monsters was a real education . I think the previous Suzuki model I was thinking of was about a 150hp.

For some reason I'm thinking that if there was anywhere in the world where one could get a glimpse of a jet outboard it would be in your neck of the woods . I think the Yamaha models were around 115-125 hp , hmmm , maybe a 90hp ?

rak rua 07-15-2018 10:03 AM


madbouyz 07-15-2018 02:02 PM

~Note to self......
See something new, Google it first then post later if in doubt. ~


In most instances it's still better coming here first !

obrien 07-15-2018 10:16 PM

supposedly mercury has a twin prop lower in development

BUP 07-15-2018 11:19 PM

Yamaha outboards has twin props out for years. Volvo Penta was the first for the sterndrive market.

Also Yamaha Outboards had a Catalyst emission controlled outboard out since 2001 - It is not sold in the USA not sure where it is sold but was made way back then.

Yamaha still makes a sterndrive twin prop outdrive as well. They have been done with I/Os since 1993 in the USA market but those where single prop apps up to 300 hp all carb apps - 1988 thru 1993 USA.

BUP 07-15-2018 11:24 PM

OMC - johnson and evenrude did jet drive outboards way back like 30 years ago. We use to work on them. Merc did the OPTIMAX 2 stroke DFI outboard powerhead matched up with Merc jetdrives - I know I use to sell them brand new at my dealerships up till 2011. Man those sold good. 17 thru 23 ft boats. We competed against the Yama jetdrive boats and the sea doo jet drive boats.

omerta one 07-16-2018 09:22 AM

I believe Yamaha and Evinrude still offer the jet outdrives...guys use them on river boats.


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