Update on the Sears Progress!!

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Thread: Update on the Sears Progress!!

  1. #11
    Join Date
    Feb 2008
    Location
    Magnolia TX
    Posts
    46

    Fiberglass

    Mark

    There was a few spots of cosmetic cracks on the top hull and the nose was broke out, I did a little glass work there but other than that it was is good shape. Before I painted it I made sure that all the little pin holes were filled so I could get a good smooth finish.

  2. #12
    Join Date
    Feb 2008
    Location
    Magnolia TX
    Posts
    46

    Clutch Engagement

    Damn that is a nice machine.

    What is the engagement RPM to get you moving? IF its too high , some heavier weights or more weights will bring the engagement RPM down. The heavier weight will also give the engine clutch more authority over the driven.

    Liflod

    I have the standard 6 weights and a pink spring that comes with the comet duster, you can put up to 9 weights in them. As for speed, I have to hold it at about 3700 rpm for a long open stretch to get it finally moving. I replaced the shoe ramps and a new green spring from RI on the driven.

  3. #13
    Join Date
    Jun 2007
    Location
    Pittsburgh PA
    Posts
    1,153
    Do you need to rev the engine to get it to move or does it start moving with low engine RPM?

    It sounds like the green spring is too much for the weight of your machine or the engine clutch does not have enough pressure to overcome the driven unit. I would try some more weight on the engine and see how she does. At least it should make a difference and its easier to get to than the T-20 side.

  4. #14
    Join Date
    Sep 2007
    Location
    Enola, Pa.
    Posts
    677
    Very nice job!!!! Looks Great!!!!!!

  5. #15
    Join Date
    Feb 2008
    Location
    Magnolia TX
    Posts
    46

    Clutch

    Liflod

    My unit moves at a low idle, I will call comet and get some more weights, i can also unwind the driven spring a little to also help.

  6. #16
    Join Date
    Jun 2007
    Location
    Pittsburgh PA
    Posts
    1,153
    I used to run a Comet Duster on my Cuyuna powered Attex. It seemed to act like yours. It was geared really low until you finally ran it out.

    You may not want to change anything until you get it in the mud. The slow shifting is why I wanted the red spring for my Max IV, to keep it geared lower-. Just riding on the beaten path does not really give you indication how it acts climbing hills or going in the mud.

  7. #17
    Join Date
    Jan 2008
    Location
    Vicksburg, Michigan
    Posts
    3,507
    Quote Originally Posted by liflod View Post
    You may not want to change anything until you get it in the mud. The slow shifting is why I wanted the red spring for my Max IV, to keep it geared lower-. Just riding on the beaten path does not really give you indication how it acts climbing hills or going in the mud.
    Great Point liflod, the majority of our driving needs it to be gear slow. For most of us anyways

  8. #18
    Join Date
    Feb 2008
    Location
    Magnolia TX
    Posts
    46

    Finally Some of My Sears Sportster Videos!!!

    Hey everyone sorry it has been so long but i do have some videos in action, sorry the quality is a little low they were taken with a cell phone. They progress is to see if it actually floats after the complete rebuild. The one with the donut was pretty cool on dry ground. I have had this thing up to 48 mph on the road(had my 4 wheeler next to me clocking it) which is pretty scary without a steering wheel the first few times. Once it get it going again (next weekend fixing the tranny mounting bolts) i will take some higher quality videos. Hope you enjoy.





  9. #19
    Join Date
    Nov 2009
    Location
    Charlotte, Mi/ Houghton Lake Mi
    Posts
    2,910
    Cool! What mods have you done to it? Bigger engine obviously, mine only does about 25mph. Green paint? They all came orange didn't they? I also didn't see the back seat. Was it removed or just poor quality cell phone video?

  10. #20
    Join Date
    May 2007
    Location
    Kings Mountain, NC
    Posts
    7,788
    Very cool! It looks like it floated fine and you can't ask for more for a top speed.

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