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  1. #121
    Join Date
    5th December 2013
    Location
    MD
    Posts
    5,686
    Quote Originally Posted by NateLowrie View Post
    Tom Cohen's rocket. He has at least 2 more like that that are heavy rockets design for flights in the 1000-1500 ft range on M motors. Construction on that one was fiberglassed cardboard boxes. Total weight was ~240lbs on the pad.
    Flies several times a year at MDRA. Tom was so busy carting rockets out to the away cells that he didn't get much time to launch his own stuff.

    John S. ---- NAR #96911 ---- TRA #15253 ---- MDRA #067 ---- BARC #028
    L1, 3/15/14: Aerotech Sumo, CTI H133BS
    L2, 6/21/14: Giant Leap Vertical Assault, CTI J240RL
    L3, 3/12/16: MAC Performance Radial Flyer, CTI M1101WH
    Altitude: 13,028', L3 flight; Speed: Mach ???, L3 flight

  2. #122
    Join Date
    23rd July 2014
    Location
    Massachusetts
    Posts
    828
    From what I understand the Square rocket (Square One as it's called) is flown only a couple times a year on N power. The rest of his rocket fly very regularly on M3700s

    NAR# 98194
    Level 1: CTI I-216, 3,043'
    Level 2: CTI K-740, 5,999'

    Personal altitude record: 12,400' CTI L395
    2014 total impulse: 9,018.2 Ns (76% M)
    2015 total impulse: 7,171.7 Ns (40% M)
    2016 total impulse: 18,664.2 Ns (91% N)
    2017 total impulse: 8,281.1 Ns (80% M)

  3. #123
    Join Date
    5th December 2013
    Location
    MD
    Posts
    5,686
    "Several," "couple," all relative terms.
    John S. ---- NAR #96911 ---- TRA #15253 ---- MDRA #067 ---- BARC #028
    L1, 3/15/14: Aerotech Sumo, CTI H133BS
    L2, 6/21/14: Giant Leap Vertical Assault, CTI J240RL
    L3, 3/12/16: MAC Performance Radial Flyer, CTI M1101WH
    Altitude: 13,028', L3 flight; Speed: Mach ???, L3 flight

  4. #124
    Join Date
    30th January 2016
    Location
    US > OK > NE
    Posts
    2,177
    Quote Originally Posted by blackbrandt View Post
    That's not a rocket. It's a flying brick that goes up with enough force.
    The NEAR guidebook contains an -actual- flying brick. Well, cinder block.

  5. #125
    Join Date
    21st January 2009
    Location
    Glendale, Arizona
    Posts
    1,575
    Thanks, big low and slow is always cool.
    Really big, really low and really slow is even better.

    M

  6. #126
    Join Date
    19th January 2009
    Location
    Stafford VA
    Posts
    6,680
    Ok, here's some pics from the prep and flight of my "Big Bird" with "Kate" on board Sunday morning. Thanks Vern!

    Click image for larger version. 

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    Checking the fit of the dowel and length needed for the ematch. I used two pieces of BP pellets for a Black Powder rifle and an ematch as the igniter.


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    Loaded up and ready for the trip to the away cell.


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    The have to have pic #1


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    The have to have pic #2


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    The up worked very well. Kate reported at 2000, 4000, 5000 and apogee.
    Kate reported 5265ft for apogee, but the accelerometer reported just over 5400 which is much more consistent with altitudes I've gotten from previous flight with this motor.


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    I was very happy with the deployment of the pilot and main chutes. The d-bag worked very well and even though you could see the line connecting the d-bag to the apex of the main was pulling the pilot and nose cone down, there was still a z-folded wrap of about 8 wraps that never broke the tape. That tells me the 150 lb Dacron line should hold up very well keeping the nose cone with the main.


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    All laid out about 900 ft from the pad. Got a ride back from the landing site also. Nothing like door to door service!


    The following files are the ones supplied by "Kate".

    JeffBoldig_BigBird_M1725_LDRS2017_HiggsFarm_170409_T-Analysis.pdf
    The analysis file in pdf.


    Click image for larger version. 

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    Screen capture of the Google Earth

    JeffBoldig_BigBird_M1725_LDRS2017_HiggsFarm_170409_R-GoogleEarth.kml
    The Google Earth file

    The mp3 audio file of the flight wouldn't upload, not as a mp3 or when zipped. If anyone has way to upload those, I'll give it a try.
    Handeman

    TRA #09903 L3 3/29/2015

    "If you don't use your head, you have to use your feet!" my Dad

    Tripoli Central Virginia #25 - BattlePark.org

  7. #127
    Join Date
    19th January 2009
    Location
    Stafford VA
    Posts
    6,680

    Some random shots of LDRS 36

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    Last edited by Handeman; 20th April 2017 at 02:11 AM.
    Handeman

    TRA #09903 L3 3/29/2015

    "If you don't use your head, you have to use your feet!" my Dad

    Tripoli Central Virginia #25 - BattlePark.org

  8. #128
    Join Date
    19th January 2009
    Location
    Stafford VA
    Posts
    6,680

    Some more random shots of LDRS 36

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    Handeman

    TRA #09903 L3 3/29/2015

    "If you don't use your head, you have to use your feet!" my Dad

    Tripoli Central Virginia #25 - BattlePark.org

  9. #129
    Join Date
    22nd August 2015
    Location
    Rhode Island
    Posts
    802
    Quote Originally Posted by Handeman View Post
    Click image for larger version. 

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    Holy crap!!!!
    NAR #100940, RIMRA & CMASS
    L1 - 4/17/16, Tyrannosaur (by Binder Design), Loki H144
    Dual Deploy - 11/12/16, Tyrannosaur + Eggtimer TRS, Loki I405

  10. #130
    Join Date
    8th November 2015
    Location
    Alexandria Va
    Posts
    1,330
    Quote Originally Posted by Handeman View Post
    Click image for larger version. 

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    Jeff these are great shots and I definitely like this one! Thanks for sharing all of them. I wonder if we can post your MP3 out in Photobucket or something and link it. Else reach out and I can create a spot and link it which should at least provide access to listen.

    Kevin
    NAR# 100059 Tripoli# 17072 KM4TZU
    Level 1 (Madcow Torrent / Cesaroni I236 - March 13 2016 2023ft - Dual Deployment)
    Level 2 (Madcow Level-2 "RumbleBee" / Cesaroni J250 Sparky - April 3, 2016 2096ft)
    Highest Flight: Level 2 "RunbleBee" 9490ft Max Vel. 1530ft/s Apr 9, 2017 LDRS36



  11. #131
    Join Date
    1st October 2014
    Location
    Boise Idaho
    Posts
    59
    Quote Originally Posted by Handeman View Post
    ... The mp3 audio file of the flight wouldn't upload, not as a mp3 or when zipped. If anyone has way to upload those, I'll give it a try.
    Since the mp3 file did not upload, here is an external link to it.

    Vern Knowles
    www.multitronix.com
    www.vernk.com
    TRA 4061 L3
    NAR 45236 L3

  12. #132
    Join Date
    11th January 2013
    Location
    Old Bridge,,,,,,,,,,,,, New Jersey
    Posts
    4,638
    Great shots...
    All of the people shots are so important to telling the story of the launch..
    Thank you for going to the trouble of posting them...

    Teddy




    www.Onebadhawk.com

    Ted Chernok
    Old Bridge New Jersey
    Radical Rocketeers
    MDRA
    METRA- BoD
    NAR # 87063
    Tripoli # 14443
    Level 3

  13. #133
    Join Date
    1st September 2011
    Location
    Greencastle, IN
    Posts
    1,289
    Loaded up and ready for the trip to the


    Handeman, does anyone outside of rocketry ever get your shirt? lol funny
    L1 - 10/14 Ash Grove RIP - Madcow Super Batray - H115DM
    L2 - 5/15 OAMC - Tripoli OH - LOC Magnum - K535, 3600'
    L3 - 11/5/16 Mid West Power - Ultimate 6" QCC Explorer M1939 -6940'
    NAR - 96297 TRA-15713

    2015 Total burned - 7349.6 Ns 2016 Total burned to date - 24824 Ns

  14. #134
    Join Date
    16th March 2016
    Location
    Virginia
    Posts
    90
    Nice pictures Jeff....also, it was very cool hearing Kate narrate your flight.

    Ken
    Northern Virginia
    NAR# 100970
    TRA# 16215
    L1 - Binder Design Excel - Dual Deploy - 7/16/2016
    L2 - Binder Design Excel - Dual Deploy - 11/19/2016

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