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Thread: An interesting contest

  1. 23rd May 2012, 12:26 PM #1
    blackbrandt's Avatar
    blackbrandt
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    An interesting contest

    Has anyone ever considered the idea of D powered golf ball lofting??
    Matt Tripoli Junior Member# 14257

    2013 motors:
    AT 38-360 H178DM (283ns)
    CTI Pro-29 3 Grain 138G106-14A (138ns)
    CTI Pro-29 1 Grain 55F29-12A (55ns)
    Estes C6-5 (9ns)
    Estes B4-2 (4ns)
    Total Newton Seconds for 2013: 489ns
    2.4% of N5800
    Largest Motor flown: Aerotech H178DM (38-360)
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  2. 23rd May 2012, 03:26 PM #2
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    new2hpr
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    Nope, but my son did a science fair project a few years ago to loft a standard hard baseball, with C-F motor range. I think he got barely 50' with the C! Just enough to trigger the launch detect of the altimeter and popped the chute about 10' off the deck. Golf ball would be too easy. You wouldn't even know it was there. Maybe with an A.
    -Ken
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  3. 23rd May 2012, 03:36 PM #3
    kjohnson
    kjohnson is offline Mox nix
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    I agree.. that's too easy. Check out the Payload Duration provisional rules:
    http://www.nar.org/pinkbook/P40_PAYD.html

    For D power you can select a badminton birdie, a whiffle baseball or a whiffle softball.

    kj
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  4. 23rd May 2012, 06:34 PM #4
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    Our club considered tennis ball lofting
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  5. 23rd May 2012, 06:47 PM #5
    Rocketjunkie
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    Tried rocket golf once.

    What you need:
    Launcher you can aim.
    Golf balls with motor tube and fins attached.
    Large selection of 1/2A to C motors, plugged.
    An unmodified golf ball.
    Putter.

    Set up pad on tee and select motor. Launch. Set up pad wherever the ball landed and repeat until on green. Use putter to hole the standard golf ball.

    Note that this is not under the NAR rules concerning launch angle and plugging motors.
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  6. 23rd May 2012, 07:45 PM #6
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    blackbrandt
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    I don't know if my golf instructor will mind me duct taping an I motor to a golf ball on a par 5...
    EDIT: Heck with the putter, bring some micro-maxx motors and use those to putt.
    Matt Tripoli Junior Member# 14257

    2013 motors:
    AT 38-360 H178DM (283ns)
    CTI Pro-29 3 Grain 138G106-14A (138ns)
    CTI Pro-29 1 Grain 55F29-12A (55ns)
    Estes C6-5 (9ns)
    Estes B4-2 (4ns)
    Total Newton Seconds for 2013: 489ns
    2.4% of N5800
    Largest Motor flown: Aerotech H178DM (38-360)
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  7. 23rd May 2012, 07:50 PM #7
    BBrown
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    Quote Originally Posted by troj View Post
    Our club considered tennis ball lofting
    Can we use "full G's"?
    Hmmm !!!!
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  8. 24th May 2012, 01:44 AM #8
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    troj
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    Quote Originally Posted by BBrown View Post
    Can we use "full G's"?
    Only if you promise to use that red one you've got!

    -Kevin
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  9. 24th May 2012, 08:04 PM #9
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    blackbrandt
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    Also, the Gym Lofting. Take random item from gym, shove either tiny or huge motor up the tail end, and launch it. I was thinking 50 pound dumbells on an N2000...
    Matt Tripoli Junior Member# 14257

    2013 motors:
    AT 38-360 H178DM (283ns)
    CTI Pro-29 3 Grain 138G106-14A (138ns)
    CTI Pro-29 1 Grain 55F29-12A (55ns)
    Estes C6-5 (9ns)
    Estes B4-2 (4ns)
    Total Newton Seconds for 2013: 489ns
    2.4% of N5800
    Largest Motor flown: Aerotech H178DM (38-360)
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  10. 27th May 2012, 02:59 AM #10
    MClark
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    Caber toss on an M motor.
    Would go higher than most would think.

    Mark
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  11. 5th June 2012, 12:20 PM #11
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    blackbrandt
    blackbrandt is offline High on AP and sparkies
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    True, true...
    Matt Tripoli Junior Member# 14257

    2013 motors:
    AT 38-360 H178DM (283ns)
    CTI Pro-29 3 Grain 138G106-14A (138ns)
    CTI Pro-29 1 Grain 55F29-12A (55ns)
    Estes C6-5 (9ns)
    Estes B4-2 (4ns)
    Total Newton Seconds for 2013: 489ns
    2.4% of N5800
    Largest Motor flown: Aerotech H178DM (38-360)
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  12. 6th June 2012, 03:03 AM #12
    LW Bercini's Avatar
    LW Bercini
    LW Bercini is offline Twice-baked BAR
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    It's summertime. Have you considered water balloon lofting?
    Lawrence William
    NAR #18121 / TRA #00134
    SoAR #468 / SAM #0422

    Epoxy is capricious and delights in annoying me
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  13. 6th June 2012, 02:05 PM #13
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    blackbrandt
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    What about beach ball lofting?
    Matt Tripoli Junior Member# 14257

    2013 motors:
    AT 38-360 H178DM (283ns)
    CTI Pro-29 3 Grain 138G106-14A (138ns)
    CTI Pro-29 1 Grain 55F29-12A (55ns)
    Estes C6-5 (9ns)
    Estes B4-2 (4ns)
    Total Newton Seconds for 2013: 489ns
    2.4% of N5800
    Largest Motor flown: Aerotech H178DM (38-360)
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  14. 10th June 2012, 08:02 PM #14
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    jeffgeraci
    jeffgeraci is offline I'm Ted Bell!
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    Come on already, don't you guys want an element of risk? Car keys lofting: Whoever can't retrieve their rocket walks home!
    Fair winds, soft landings, and total victory! -
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  15. 11th June 2012, 04:41 AM #15
    MClark
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    In one of his space shot rockets Ky put the keys and his teeth among other things

    Mark
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  16. 11th June 2012, 05:48 AM #16
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    Initiator001
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    Calling Doug Frost...
    Bob
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