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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > 2 stroke inboard
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Thread: 2 stroke inboard Reply to Thread
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Topic Review (Newest First)
11-21-2013 12:47 PM
captain jack
Re: 2 stroke inboard

i may have found a direct replacement motor for that boat. that does seem to me that is a lot more work than simply adapting another inboard motor to fit. when i read about adapting an outboard to fit, i had thought of using the existing shaft, in some way. if you had no original inboard ( no shaft or other elements for the placement of an inboard ) then i think this sail drive might be a good idea. much like an outboard well, just sealed in. i have been considering modifying the lazerate on my holiday 20 into an outboard well, but a sail drive sort of set up might be an idea for that. possibly a future project
11-21-2013 11:17 AM
lillia28
Re: 2 stroke inboard

Your best bet would be one of the old OMC sail drive units. It basically is a 30 HP outboard turned into a 15 hp sail drive. There was a company adapting Honda outboard engines to sail drives a short time ago, but I haven't looked for a while (Saildrive 280). SAILDRIVE.INFO - Selection Try this site lots of useful info. I have no connection other than a google search. In my experience, it is rarely less expensive to engineer a new system. That is hanging an outboard on a boat that originally came with an inboard is easy. Converting a boat that came with an outboard to an inboard, not so much. Converting an outboard to saildrive, and cutting a 2x3 foot hole in the bottom of your boat to mount it, well it could easily be the long way around.
Lou
Quote:
Originally Posted by captain jack View Post
does anyone have any information about converting an outboard for inboard use? the cal27 i just bought used to have a vire 7. it is gone and the previous owner mounted a bracket on the transom for an outboard ( which is also not there, now ). i would rather have inboard power thasn outboard. i personally don't care if it is 2 stroke or not. if there is a 4 stroke option i would rather that.

i am working on a....restrained budget. so, if i could find a way to convert someone's old outboard to inboard use, that might be just wat the dr ordered. sorry. not trying to hijack the thread or anything.
11-18-2013 12:29 AM
captain jack
Re: 2 stroke inboard

does anyone have any information about converting an outboard for inboard use? the cal27 i just bought used to have a vire 7. it is gone and the previous owner mounted a bracket on the transom for an outboard ( which is also not there, now ). i would rather have inboard power thasn outboard. i personally don't care if it is 2 stroke or not. if there is a 4 stroke option i would rather that.

i am working on a....restrained budget. so, if i could find a way to convert someone's old outboard to inboard use, that might be just wat the dr ordered. sorry. not trying to hijack the thread or anything.
11-15-2013 08:45 PM
christian.hess
Re: 2 stroke inboard

Im not missing any point...I thought the thread was about 2 stroke GAS inboards...thats why I commented...

I understand about 2 stroke diesels, aircooled etc...

I misunderstood some posts that were previously posted thats all

carry on
11-15-2013 07:27 PM
chuck53
Re: 2 stroke inboard

Quote:
Originally Posted by christian.hess View Post
oh sorry thought that it was about 2 stroke engines...
No, you're still missing my point....2 stroke gas engines have to have oil added to the fuel for combustion either by adding oil to the gas in the tank or having oil injected into the the fuel from a separate tank.

With 2 stroke diesel engines, oil does not have to be added to the fuel for combustion. There's enough lubricity in diesel fuel that additional oil is not needed.
11-14-2013 06:03 PM
christian.hess
Re: 2 stroke inboard

oh sorry thought that it was about 2 stroke engines...
11-14-2013 05:04 PM
chuck53
Re: 2 stroke inboard

Quote:
Originally Posted by christian.hess View Post
there are many 2 strokes that use oil injection....

VESPA motorcycle engines do so this way...they have a fuel tank and oil tank...

however those that wanted max performance took the oil injection off and mixed their own batches of oil to fuel ratio...

I have not looked into a marine version of this engine but I think it would be a great solution to old or stale fuel mix combos...
My point wasn't oil injection vs.manually adding oil to gas....my point is oil doesn't have to be added for 2 stroke diesels
11-14-2013 11:27 AM
christian.hess
Re: 2 stroke inboard

Quote:
Originally Posted by chuck53 View Post
At least you don't have to mix oil with the diesel like you do with gas on gas 2 strokes.

there are many 2 strokes that use oil injection....

VESPA motorcycle engines do so this way...they have a fuel tank and oil tank...

however those that wanted max performance took the oil injection off and mixed their own batches of oil to fuel ratio...

I have not looked into a marine version of this engine but I think it would be a great solution to old or stale fuel mix combos...
11-14-2013 11:25 AM
christian.hess
Re: 2 stroke inboard

to the op I WOULD love ideas on inboard 2 strokes from days gone by...I wouldnt mind trying to fabricate one since outboards are plentiful here and I am in need of an inboard as I prefer it...
11-14-2013 11:24 AM
christian.hess
Re: 2 stroke inboard

again good points capta....its not the heel that kills diesel in rough weather, its unmaintained diesel filters and tanks that cause it to fail when everything gets sloshed aroudn to hell, they stall and clog up the injectors which becomes a task to be done only at the dock.

I will point out though that some diesel manufacturers DO state maximum tilt angles and heel for normal use...it might have something to do with lubrication over a long period of time...I know I didnt feel too comfortable when motorsailing on my small h28 with a yanmar 2gmf...

having said that we did use it a couple of times to get out of an iffy situation...mosty thick chop when the wind died and seas were still sloppy and we were close to shore...
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