Deisel Outboard

[RodnReel]

Americian company developing Deisel Outboard.

Only be good for replacing the big Outboards on large boats around the 6 metre size due to engine weight.

Be interesting to see how this progresses over the next couple of years considering the outboard technlogy thats around at the moment.

next will be an LPG conversion for 4 stroke outboards.

http://www.megoutboard.com/index.html

Edited January 7, 2008 by RodnReel

[Flightmanager]

I'll bet its a real mongrel to pull start!!

Interesting concept though , I would expect that it would not be as quiet as a 4 stroke , and vibration could be another issue.

Ross

[a boat]

Hi Guys, this has been on a few US sites for a while and I have contacted the company and they are quite away down the track of going to market with this. It is there powerhead on a Merc midsction and gearbox and from what the company has told me it offers similar performance of a 4-Stroke outboard with even better economy than a 4-Stroke and a DI 2-Stroke. For what I know weight and being only 2 star EPA might hurt them and getting dealers on board both over there and here if it ever take off will be a problem.

As for LPG we were working with a company about 10-15 years ago that had some success with LPG conversions on basic carby 2-Stroke Mercs. Big problem are the tanks and the fact that they have to live out in the environment and not great on a boat in salt water.

It definately is very interesting times in the outboard game,

Cheers,

Huey.

[macka17]

Hi Guys, this has been on a few US sites for a while and I have contacted the company and they are quite away down the track of going to market with this. It is there powerhead on a Merc midsction and gearbox and from what the company has told me it offers similar performance of a 4-Stroke outboard with even better economy than a 4-Stroke and a DI 2-Stroke. For what I know weight and being only 2 star EPA might hurt them and getting dealers on board both over there and here if it ever take off will be a problem.

As for LPG we were working with a company about 10-15 years ago that had some success with LPG conversions on basic carby 2-Stroke Mercs. Big problem are the tanks and the fact that they have to live out in the environment and not great on a boat in salt water.

It definately is very interesting times in the outboard game,

Cheers,

Huey.

Hey Huey.

From memory. 20ish (maybe more) yrs ago. there was a european company putting out a small diesel outboard?Didn't get too far in this country though.

But with todays technology, and alloys. Should be a viable proposition. Time will tell.

Regards

Macka17

[a boat]

Hi Mack17, Volvo Penta used to make small deisel outboards many years ago, and in fact I think I have one floating around here somewhere. Yes they were B4 their time and now with fuel costs at what they are it might be time for another company like the one in the link to try and see if they can get deisel outboards going again. Time will tell.

What will drive this is the military in the States(massive budgets) that do not want petrol on board their vessels and that is why the military E-TEC with MFE (multi-fuel technology) are able to run on almost any fuel from deisel , jet fuel, bio deisel and even kerosene. This company producing this deisel outboard is I am sure looking at the military market as there main source of sales.

Cheers,

Huey.

[Jigholio]

yeah Macka there was an italian company Carniti that made diesel OB's back in the day. They were ungainly things, but ultra-rugged & preferred by military. Will run on kerosene OK. Many are still in service today.

[a boat]

Hi Jigholio, that is a great picture and thanks for posting. I have never seen that brand. Does it still run?

Huey.

[Jigholio]

This particular unit is for sale in Ballina, the seller reckons it runs OK. if you google Carniti Ballina i'm sure you'll find the ad. Somewhere on the www is a scanned image of the original sales brochure in english. I might have saved a copy...

hope that helps, Huey!

EDIT: Found

Edited January 8, 2008 by Jigholio

[Flightmanager]

An air cooled , diesel 4 stroke outboard !! Wonder why they never took off ?

Ross

[pelican]

Sorry ross Speak up I can't hear ya!!!!

Company owner is a speed freak from what a mate in the States says so expect more from these motors and with prices expected to be not much more $US outboard or same size it will be interesting to see how they go. A lot of existing hulls just won't take the extra weight and I don't know how they will get a prop spinning fast enough through a Mercury box. 6 gal at 3750rpm - that'll scare some petrol manufacturers.

Nice way to beat petrol excise with a diesel outboard in many countries.

Lots of yanmars 1987 onwards were built and were a one peice ally head and barrel with liner. Problem was you had to pay with gold bars the same weight as the motor but they did run a long time but I think are no longer manufactured for years. http://www.minardsdiesel.com/diesel_outboards.html Look at the weight 100kg for 27hp. Our polar research vessles still ran them on the workboats and Rib a few years back and so do PNG resorts on their longboats.

All I can say is buy the Canti now (but very cheap)- can't be many produced and few that run with Italian engineering so it will be a museum piece

There is a company in the States that has a Styre deisel in a bolt on pod with intergrated jet that has sold a few. Simple and no specialised parts but still an ineffecient jet www.swordmarine.com

There is a beam engine similar to the www.revetec.com and one that was being designed as a ultralight motor not that long ago with horizontally opposed 4 pistons in 2 cylinders with possible lightweight outboard application.

Tohatsu years ago developed versions of diesel outboards all of small horsepower and all weighed a ton. Never got into serious production and they were for 3rd world and Japan / asia use with bad fuel. The big issue was motor weight and trying to get big enough commercial market as they were never sporty enough for the pleasure market that was designing boat hulls that could hardly hold the weight of a petrol 2 stroke.

Technology and materials are catching up but the true diesel run forever with no electrics required was the original simple idea but with todays effeciency and EPA restrictions require a barrage of electrics. Even if it was designed for millitary many would never comply for public sale. Sort of like the issue the 4stroke outboard brigade are coming up against now with motors possibly going to have to have catalytic converters fitted after 2010 and marine ones won't be cheap or last long. Deisels will need particulate filters??

US millitary has a two fuel policy deisel and avgas both which store well at all temperatures and can be mixed. Petrol is what they are trying to avoid and have spent mega millions trying. Their policy is one fuel by 2010 - 2 grades aviation and diesel

I remember a version of a millitary USA johno outboard running on avgas that was able to be submerged and then recovered and reused by SAS types. Interesting baffel arrangements in cowl etc. Another one ran nearly silent . Good ol' millitary didn't much care the longevity only that they only carry 2 fuels. They are still dolling out grants to this day to find 2 fuel solutions. Ahhh what it would be like to have bottomless pockets and not care about ecconomy.

Worlds first? http://rides.webshots.com/photo/2361954990091848696ZeSYsF

Edited January 9, 2008 by pelican

[squizzytaylor]

A friend had an 18 ft sharkcat in PNG that was powered by 2 x yanmar 40hp diesel outboards, suprisingly quiet but had a top speed of around 13knots (seriously) having said that I had seen it towing a 23ft berty at about 10 knots. Used next to no fuel but stank and was fuemy.

Geoff

[pelican]

Another repower option

http://swordmarine.com/HowItWorks.asp

[cut_loose]

here is what i believe is the first EVER diesel outboard ... only small tho

<a href="http://rides.webshots.com/photo/2873787150091848696ISNmBX"><img src="http://thumb16.webshots.net/t/57/557/7/87/15/2873787150091848696ISNmBX_th.jpg" alt="1960 - AMERICAN MARC-10 7.5 hp DIESEL OUTBOARD MOTOR ARTI"></a>

[pelican]

Can't get the link up but I can see it is a Amarc. They were weird as they has opposing pistons in the same barrel and 2 cranks if it is the one I am thinking of. Came from a aircraft motor design. Talk about a confused youngster trying to work that out years ago. No idea if they were any good but must have weighed a ton. think the germans tried something similar in the war to get higher reving shorter stroke motors but don't know if they ever flew or it was just one of those ideas.

What age are the photos?

Edited September 18, 2008 by pelican

[Flightmanager]

Try THIS LINK .

Ross

Here is another one , an ETEC this time !! ETEC DIESEL

Ross

[mr magoo]

my father inlaw went to antartica on a ice breaker and when they went ashore they used ribs that were powered by deisel outboards ,he said they went ok too

cheers arman

[Dreamtime]

How's this then?

Rotary

Diesel

250Hp

Rotary Power International, Inc. ("RPI") (OTCBB symbol: RPIN) and Rothor Advanced Power AS ("RAP"), a Norwegian based distributor of RPI's rotary marine engines, have signed a Letter of Intent for the development of a high performance diesel outboard and sport jet based on the RPI Series 70, two (2) - rotor, 250 HP diesel fueled marine rotary engine.