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Thread: At long last - Merc 666!

  1. #111
    Administrator Aeroliner's Avatar
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    Default 444 By Doug Kay

    http://www.boatracingfacts.com/forum...rk-40-H/page21

    The link above shows the inside of the 444 we built. If you follow this thread you can see the whole build story.

    Alan

  2. #112
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    Default Working for it

    Quote Originally Posted by Tim Weber View Post
    2 ring set up an cut skirt?

    Tim
    Yep, a Wiseco 2-ring. By why cut the skirt? And why on that side?

    Tim

  3. #113
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    Default

    the skirt will hit the stuffer plates on the old reed blocks

  4. #114
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    Default Skirtless in Seattle for $100

    Quote Originally Posted by Powerabout View Post
    the skirt will hit the stuffer plates on the old reed blocks
    Good try, but the stuffers are slightly under the reed cage diameter; there is no interference.

    Try again!

    Tim

  5. #115
    Team Member R Austin's Avatar
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    Default

    For a better window into the transfer passage.

  6. #116
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    Default

    I hope the plans to run some of these motors at one or more midwest races pans out. I am especially curious to see and hear a stock 75-H run. It probably has no unique sounds like the alky jobs do but I've never heard one run that I know of. I've seen plenty of deflector and loop 6s run but never a stock one.

  7. #117
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    Default Bingo!

    Quote Originally Posted by R Austin View Post
    For a better window into the transfer passage.
    Dick has it: Eliminate the skirt that decends below the cylinder sleeve to open the transfer passage.

    Are there any other mods possible to further improve that transfer?

    Tim

  8. #118
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    Default

    Good idea! We should request that stock sixes leave the pits before the stackers start up. Plans are to commission a professional videographer to record the event. The Constantine AOMCI meet and IOA Hillsdale are likely next year.

    Tim

  9. #119
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    Default Bonding process

    Loctite "Fixmaster" aluminum filled epoxy is used to bed and seal duct castings to the crankcase. Working time is 60 minutes, so there's no need to rush. After glass beading the matching parts and cleaning surfaces with denatured alcohol, bonding and cleanup for the 666 was a little over two hours. Most of the effort is spent with a rag and laquer thinner modeling the thickening paste after bolt up. As Dick Austin points out, modeling bondo or epoxy is best be done before the resin is cured. If you wait too long, better plan on lots of machine work!

    Tim
    Attached Images Attached Images          

  10. #120
    Administrator Aeroliner's Avatar
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    Default 666

    Hi Tim,
    Progress is great. Can't weight till nex year at Hillsdale. Should be a fun event if all the folks bring a six.

    Alan

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