Propane Powered Outboard Engine Experience?? - Page 4 - SailNet Community
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post #31 of 45 Old 08-19-2014
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Re: Propane Powered Outboard Engine Experience??

Hello sblahnikod,
I've sent a request to the Venture Newport Yahoo group to join (even though I don't have a V. Newport). Otherwise I can't see the thread. I'll see what happens. I 'd love to know what your experience was. Thanks for your post.

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post #32 of 45 Old 08-19-2014
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Re: Propane Powered Outboard Engine Experience??

Most have used it on their dinghy's as far as I could tell, as I was unable to find info on the setup for a sailboat. Originally I attempted to use the screw-in 16 OZ canisters but quickly discovered them to be impractical. At full throttle I would get about an hour per canister with no way to judge the amount of fuel remaining. I had an incident where I ran out of fuel at a very in opportune moment and caused a degree of tension with my crew (not the first time!). So I decided to go with the larger fiberglass tank. Photo of setup attached
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post #33 of 45 Old 08-21-2014 Thread Starter
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Re: Propane Powered Outboard Engine Experience??

Thanks everyone.

This gives me more to consider!!
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post #34 of 45 Old 09-01-2014
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Re: Propane Powered Outboard Engine Experience??

We have had reports of the LP bottles icing up in the lower Niagara river when the J70's were running WOT for a time. Aside from that, they seem to run very well.

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post #35 of 45 Old 09-01-2014
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Re: Propane Powered Outboard Engine Experience??

"We have had reports of the LP bottles icing up in the lower Niagara river when the J70's were running WOT for a time. Aside from that, they seem to run very well."

When the small bottles are more than half full they deliver liquid propane to the engine and you won't have any problem running the engine at wide open throttle (WOT). When the level gets below half, the propane in the tank boils and delivers propane gas. As the tank gets close to empty, in cold weather, there isn't enough surface area to cause the propane to vaporize fast enough to run the engine at WOT. The engine will still run but at reduced throttle for the last few ounces of fuel. This is much less of an issue in warm weather or if you're running off a larger tank.

The 15 needs to be fed liquid propane because the hoses can not carry enough propane gas to supply the quantity it needs to run WOT. Lehr recommends using a forklift tank with the 15 as they are designed to supply liquid propane.

You can get a regular propane tank to supply liquid propane by turning it upside down. Don't leave it upside down when you are not drawing propane because in a fire the overpressure vent would then vent liquid propane instead of gas like it's designed to do.
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post #36 of 45 Old 09-02-2014
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Re: Propane Powered Outboard Engine Experience??

As an outboard dealer, we looked at handling the Lehr line. It appears that there isn't any parts/repair/support network in place (as of a year ago), aside from warranty replacement of a whole motor, so we passed on the opportunity.

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post #37 of 45 Old 09-02-2014
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Re: Propane Powered Outboard Engine Experience??

Paul, Lehr is actively looking for dealers and service centers. They pay well for warranty work. You may want to talk to them about it. Give David Kurens in their customer service a call. There is nothing on the engines you haven't seen before except the fuel system. About the only service you can do to that is adjust the idle and mixture. If there is anything else wrong you just replace it.
They are very serious about building a good service network.
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post #38 of 45 Old 09-05-2014
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Re: Propane Powered Outboard Engine Experience??

More fuel for this fire;

The guy that runs the charter place near me has two of them. I believe that they came from West Marine. These may be older Lehrs, I don't know. He tells me that he has had issues with the fuel lines leaking on both of them. They've been spraying propane all from somewhere under the cowl.

One leaks only with the 1lb cylinders, and he has blocked off that port permanently, otherwise it seems OK. The other is spraying any time that it is connected to propane.


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post #39 of 45 Old 09-05-2014
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Re: Propane Powered Outboard Engine Experience??

Quote:
Originally Posted by Group9 View Post
Now, think how cool a Honda suitcase generator that was powered by propane would be.
You can buy a 'tri fuel' carburetor from several different sources for generators, Honda included. It seems it would be an easy retrofit to an outboard motor.
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post #40 of 45 Old 09-05-2014
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Re: Propane Powered Outboard Engine Experience??

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Originally Posted by eherlihy View Post
More fuel for this fire;

The guy that runs the charter place near me has two of them. I believe that they came from West Marine. These may be older Lehrs, I don't know. He tells me that he has had issues with the fuel lines leaking on both of them. They've been spraying propane all from somewhere under the cowl.

One leaks only with the 1lb cylinders, and he has blocked off that port permanently, otherwise it seems OK. The other is spraying any time that it is connected to propane.
That sounds like a service (or possibly warranty) issue, that should be reasonable to address.

Paul Van Voorhees
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Buffalo, NY USA
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