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Real World Results of a Lehr 5hp outboard

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  • Real World Results of a Lehr 5hp outboard

    I am starting this thread because I actually own the engine

    The boat that I am using it with is a Zodiac Cadet Fastroller 325 (approx 11ft long)
    The boat is rated for a 5-10HP engine
    They match together perfectly
    This boat is NOT on a trailer
    Everything is broken down and carried in a car or a truck

    The primary use of my boat is to fish in the creeks and rivers of the Chesapeake bay
    The reason for the purchase of the engine is because the regular 87 octane pump gas in the mid-Atlantic area has 10% or more ethanol in it and the formular that they are using clogs small engines if not used all the time.

    The Propane engine has so far been trouble free
    I got 5hp over 9hp for a couple of reasons
    1. The 5 hp can run on any size tank or a 1lb bottle.
    The 9hp can only use the tanks.
    2. The 5 hp is very light. It's about 10lbs lighter than a gas engine
    3. Propane is a lot cheaper than gas

    Did I mention that there is no gas smell and that my 20lb propane tank(4 1/2 gallons)
    is much lighter than my 6 1/2 gallon gas tank.
    It also takes up less room

    What I have discovered so far is that
    If running a 1lb bottle at full throttle it is good for about 30-45 minutes (depending on the conditions)
    At half throttle it is good for about 120-150 minutes (2hrs- 2 1/2 hrs)(depending on conditions)

    If running a 5lb tank at full throttle that would translate to 150-225 minutes (depending on the conditions)
    At half throttle that would translate to 10hrs-12hrs (depending on conditions)
    I have discovered that for the 5HP motor and my boat that a 20lb (4.5 gallon) tank is over kill


    Yesterday I went looking for a 10lb/2 1/2 gallon composite tank

    Based on my typical usage carrying 10 pounds (2 1/2 gallons) of propane and a 1lb bottle for an emergency should get me through anything

    I also saw some people who were only using bottles and they told me that they were re-filling there bottles
    I need to investigate that some more.

    Time to go play with the boat

    btw
    Another side benefit of going propane is that you use your boat more due to the convenience factor
    Last edited by ronaldj; May 2nd, 2013, 07:51 AM. Reason: spelling error
    Zodiac Fastroller 325
    Lehr 5HP propane outboard

  • #2
    Re: Real World Results of a Lehr 5hp outboard

    Thanks for some reality, Ronald. Sounds like a perfect application for the Lehr.
    sigpic

    Comment


    • #3
      Re: Real World Results of a Lehr 5hp outboard

      Thanks for the info. Those motors appear to be of very high quality, and they'd be great for a yacht tender.

      Comment


      • #4
        Re: Real World Results of a Lehr 5hp outboard

        Originally posted by Bamaman1 View Post
        Thanks for the info. Those motors appear to be of very high quality, and they'd be great for a yacht tender.
        What i can tell you is they appear to be the perfect motor for that application.
        I saw three sold on saturday while I was looking at the composite tanks. Here in the mid-atlantic area they are selling like hotcakes.
        If you live near Maryland , there is a boat shows coming up. this weekend where they will be doing demo's.

        The show is the Welcome to the Bay Bridge Boat Show! | United States Yacht Shows

        Annapolis MD. is sailboat country. That is a major factor in why there are so many places selling the Lehr outboards
        Zodiac Fastroller 325
        Lehr 5HP propane outboard

        Comment


        • #5
          Re: Real World Results of a Lehr 5hp outboard

          Originally posted by Bubba1235
          Question: Any problems with starting it when it's cold outside?
          I dont know
          I imagine by cold you mean anything under 50 degrees F.
          I have not been out in the cold
          I wont go on the water until the temp hits 65 or 70F
          My window for use is April until the end of October.
          Even stored , when you goto start it
          It may take 5 pulls to prime it after storage and then it's fine
          Zodiac Fastroller 325
          Lehr 5HP propane outboard

          Comment


          • #6
            Re: Real World Results of a Lehr 5hp outboard

            An 18' fiberglass boat would need to pull a 20' fuel barge for a days fishing. Fine for specialty uses but far from a replacement in many cases YET.
            EdgeWater 205 EX
            Yamaha 150
            2012 Dodge Hemi

            Comment


            • #7
              Re: Real World Results of a Lehr 5hp outboard

              Originally posted by crabby captain john View Post
              An 18' fiberglass boat would need to pull a 20' fuel barge for a days fishing. Fine for specialty uses but far from a replacement in many cases YET.
              It's really not that different from gasoline. You just need a thicker tank rated for pressure. There is no reason you couldn't put a 25 gallon or larger "built in" propane tank in an 18 foot boat. That would last about as long as 17 gallons of gas...

              Comment


              • #8
                Re: Real World Results of a Lehr 5hp outboard

                Originally posted by crabby captain john View Post
                An 18' fiberglass boat would need to pull a 20' fuel barge for a days fishing. Fine for specialty uses but far from a replacement in many cases YET.
                Why would you need something that large
                How much gas do you burn a day?
                Currently the largest propane engine is 9.9 hp
                20 pounds of propane is 4 1/2gallons
                If your fiberglass boat is ok with 9.9hp then you wont see any difference in how the boat runs.
                The difference will be in fuel cost and maintenance
                If you want an engine larger than 9.9hp you are going to have to wait until the 15 and 25 hp outboards come out

                Having used both pump gas and propane. I much prefer the propane
                Zodiac Fastroller 325
                Lehr 5HP propane outboard

                Comment


                • #9
                  Re: Real World Results of a Lehr 5hp outboard

                  The wife and I are considering buying a canoe or a 10-12 ft jon boat for fishing small lakes and streams. What would a Lehr set me back, either the 5 h.p. or the 9.9 h.p.?

                  Thanks in advance.

                  Comment


                  • #10
                    Re: Real World Results of a Lehr 5hp outboard

                    Originally posted by adamjr View Post
                    The wife and I are considering buying a canoe or a 10-12 ft jon boat for fishing small lakes and streams. What would a Lehr set me back, either the 5 h.p. or the 9.9 h.p.?

                    Thanks in advance.
                    The 5HP was around $1700
                    The 9.9hp is around $3000

                    I dont no what size canoe you have but, It would seem like a 2.5hp or 5 hp could handle the canoe.
                    As for the jon boat 5 or 10
                    If the jon boat is trailored it does not matter. If you have to carry the engine then you have the weight of the 9.9 to consider
                    Zodiac Fastroller 325
                    Lehr 5HP propane outboard

                    Comment


                    • #11
                      Re: Real World Results of a Lehr 5hp outboard

                      Originally posted by ronaldj View Post
                      The 5HP was around $1700
                      The 9.9hp is around $3000

                      I dont no what size canoe you have but, It would seem like a 2.5hp or 5 hp could handle the canoe.
                      As for the jon boat 5 or 10
                      If the jon boat is trailored it does not matter. If you have to carry the engine then you have the weight of the 9.9 to consider
                      Hey Ronald, I was considering lehr but I been reading a bunch of negative reviews??? I really want to get rid of gas engine due to the vapors in my apartment

                      Comment


                      • #12
                        Re: Real World Results of a Lehr 5hp outboard

                        The negative reviews must be old. I no a few people who have converted over and none of us have had any problems. The motors are favored by people who have to store the engine and by the sailboat community who use it to tender. I actually keep mine in a closet when its not in use.
                        Not only is there no odor but more importantly for me is the fact that I no longer have the gas clogging up the engine issue and having to deal with bad/old gas.
                        If you lived closer to me I would let you try it. Do yourself a favor and go try one yourself.
                        Zodiac Fastroller 325
                        Lehr 5HP propane outboard

                        Comment


                        • #13
                          Re: Real World Results of a Lehr 5hp outboard

                          Originally posted by ronaldj View Post
                          The negative reviews must be old. I no a few people who have converted over and none of us have had any problems. The motors are favored by people who have to store the engine and by the sailboat community who use it to tender. I actually keep mine in a closet when its not in use.
                          Not only is there no odor but more importantly for me is the fact that I no longer have the gas clogging up the engine issue and having to deal with bad/old gas.
                          If you lived closer to me I would let you try it. Do yourself a favor and go try one yourself.
                          you have the 5hp correct? i will probably buy one next year. any idea how heavy a 9.9 is?

                          Comment


                          • #14
                            Re: Real World Results of a Lehr 5hp outboard

                            Im not sure. It wasnt in stock when I got my 5hp. In fact I bought the display model.
                            At a guess I would say twice the weight of the 5.
                            I would like to see a 15hp version.
                            What sold me on the 5hp was
                            1. Ability to store anyplace
                            2. Ability to remove fuel source when not in use
                            3. The ability to use 1lb tanks and any size larger tank you want
                            4. The fact that propane is easier to transport
                            5. Cost of propane vs gas
                            6. Ease of use

                            As a side note: You can actually store your propane and motor in the house
                            Last edited by ronaldj; July 19th, 2013, 07:53 AM.
                            Zodiac Fastroller 325
                            Lehr 5HP propane outboard

                            Comment


                            • #15
                              Sign up today
                              Re: Real World Results of a Lehr 5hp outboard

                              Here is the spec page @ Lehr. LEHR Marine |

                              5 and 9.9 are 50 and 88 lbs.
                              BOAT SPECS FORUM HELP STARCRAFT FORUM SHOP iboats
                              Please, no PM's (Private Messages) regarding boat/engine problems.
                              That is what the forums are for.
                              Only forum/moderator issues will be answered in PM's.

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