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Thread: Semroc - Hydra VII (KB-7) Gallery

  1. #1
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    18th January 2009
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    Semroc - Hydra VII (KB-7) Gallery

    Welcome to the Semroc Hydra VII (KB-7) Gallery on TRF.

    This gallery showcases the Semroc Hydra VII (KB-7) and those rockets derived from it. Particularly appropriate in this thread are the following:


    Semroc: Hydra One: KA-18
    Semroc: Hydra VII: KB-7
    Semroc: Hydra VII: KV-29



    as well as any upscales, downscales, clones, kitbashes or other derivative works. Even Goonies qualify!



    Last edited by JAL3; 16th August 2012 at 05:42 PM.
    __________________
    John A. Lee O.S.L.
    Alamo Rocketeers NAR Section 661
    NAR 87285, L1 8 March 2008
    TRA 03040, L1 8 March 2008

    Photos of the "Fleet": http://www.flickr.com/photos/23694991@N03/

    I used to tell Mom, "...I want to fly rockets when I grow up!"

    She said, "Make up your mind, you can't do both!"

  2. #2
    Join Date
    18th January 2009
    Location
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    Posts
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    Semroc Hydra VII (KB-7) Basic Information

    Semroc Hydra VII (KB-7) Basic Information.

    Semroc Astronautics

    MODEL NAME: Hydra VII Also known as:

    NUMBER: KB-7

    Introduced: 1969
    Final Year: 1971
    Designer: Carl McLawhorn

    Type: Exotic, Cluster, Payload
    Motor Mount: 7x18mm
    Recovery: Parachute
    Stages: 1
    Length:
    Diameter:
    Span:
    Weight:

    Mfg. Description: Great bird for advanced payloads. May be flown using 3 to 7 engines, with a maximum payload of up to 3 newtons. Recommended for the advanced modeler only. Engines not included. (Semroc 1970 Catalog)


    Advertising Liveries

    1970 Catalog


    Face Card(s)

    [img][/img]

    Instruction Header(s)

    [img][/img]



    First post in this thread featuring this rocket.

    See Also: LINKS
    EMRR
    RocketReviews
    Mfg. Page


    If you have any additional information on this rocket and/or catalog photos please let us know.
    Last edited by JAL3; 16th August 2012 at 08:12 PM.
    __________________
    John A. Lee O.S.L.
    Alamo Rocketeers NAR Section 661
    NAR 87285, L1 8 March 2008
    TRA 03040, L1 8 March 2008

    Photos of the "Fleet": http://www.flickr.com/photos/23694991@N03/

    I used to tell Mom, "...I want to fly rockets when I grow up!"

    She said, "Make up your mind, you can't do both!"

  3. #3
    Join Date
    18th January 2009
    Location
    San Antonio, TX
    Posts
    10,553

    Semroc Hydra VII (KV-29) Basic Information

    Semroc Hydra VII (KV-29) Basic Information.

    Semroc Astronautics

    MODEL NAME: Hydra VII Also known as:

    NUMBER: KV-29

    Introduced:
    Final Year:
    Designer: Carl McLawhorn

    Type: Exotic, Cluster, Payload, Reissue
    Motor Mount: 7x18mm
    Recovery: Parachute
    Stages: 1
    Length: 30.5" (77.4 cm)
    Diameter: 1.64" (4.2 cm)
    Span: 6.9" (17.6 cm)
    Weight: 5.2 oz (147.6 g)

    Mfg. Description: 1969 Retro Repro (Semroc 2012 Web Ad)


    Advertising Liveries

    2012 Web Ad


    Face Card(s)



    Instruction Header(s)





    First post in this thread featuring this rocket.

    See Also: LINKS
    EMRR
    RocketReviews
    Mfg. Page


    If you have any additional information on this rocket and/or catalog photos please let us know.
    Last edited by JAL3; 16th August 2012 at 08:19 PM.
    __________________
    John A. Lee O.S.L.
    Alamo Rocketeers NAR Section 661
    NAR 87285, L1 8 March 2008
    TRA 03040, L1 8 March 2008

    Photos of the "Fleet": http://www.flickr.com/photos/23694991@N03/

    I used to tell Mom, "...I want to fly rockets when I grow up!"

    She said, "Make up your mind, you can't do both!"

  4. #4
    Join Date
    18th January 2009
    Location
    San Antonio, TX
    Posts
    10,553

    Semroc Hydra One (KA-18) Basic Information

    Semroc Hydra One (KA-18) Basic Information.

    Semroc Astronautics

    MODEL NAME: Hydra One Also known as:

    NUMBER: KA-18

    Introduced: 2009
    Final Year:
    Designer: Carl McLawhorn

    Type: Exotic, Downscale, Payload
    Motor Mount: 1x18mm
    Recovery: Parachute
    Stages: 1
    Length: 22.1" (56.1 cm)
    Diameter: 1.17" (3.0 cm)
    Span: 4.9" (12.5 cm)
    Weight: 1.9 oz (53.9 g)

    Mfg. Description:


    Advertising Liveries

    2012 Web Ad


    Face Card(s)



    Instruction Header(s)





    First post in this thread featuring this rocket.

    See Also: LINKS
    EMRR
    RocketReviews
    Mfg. Page


    If you have any additional information on this rocket and/or catalog photos please let us know.
    Last edited by JAL3; 16th August 2012 at 08:31 PM.
    __________________
    John A. Lee O.S.L.
    Alamo Rocketeers NAR Section 661
    NAR 87285, L1 8 March 2008
    TRA 03040, L1 8 March 2008

    Photos of the "Fleet": http://www.flickr.com/photos/23694991@N03/

    I used to tell Mom, "...I want to fly rockets when I grow up!"

    She said, "Make up your mind, you can't do both!"

  5. #5
    Join Date
    2nd August 2009
    Location
    East-Central, IL
    Posts
    389

    Semroc - Hydra

    My most recent Hydra upscale is a 4.6 upscale seen here with my prior two projects. See it on the pad at Thunderstruck 4 on 5 April 2013.

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    Last edited by gary7; 6th April 2013 at 11:31 PM. Reason: Change Photos
    NAR# 91016 SR
    L1 8/14/2010
    L2 3/24/2012

  6. #6
    Join Date
    6th June 2011
    Location
    San Diego, CA
    Posts
    329

    Hydra One standard size

    Here's the gallery shot of my just-completed Semroc Hydra One, built from a current production kit.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by JAL3; 16th August 2012 at 08:30 PM.
    Dave Cook
    NAR 21953 - DART San Diego

  7. #7
    Join Date
    18th January 2009
    Location
    Back up in the woods
    Posts
    7,562
    Oh, boy.... gotta get one of them.
    Mark S. Kulka NAR 86134 L1, ASTRE 471, Adirondack Mtns., NY
    Opinions Unfettered by Logic • Advice Unsullied by Erudition • Rocketry Without Pity
    In the forest no one can hear you order a grande caffè misto.
    Warning: I brake for invisible squirrels

  8. #8
    Join Date
    18th January 2009
    Location
    Toney, AL
    Posts
    1,056

    Semroc - Hydra VII

    I saw the Hydra I thread, but not a Hydra VII thread. Here are pics of my Hydra VII when it was in flying condition.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by JAL3; 16th August 2012 at 08:10 PM.
    "He who fights with monsters should look to it that he himself does not become a monster, and if you look long into an abyss, the abyss also looks into you." - Friedrich Nietzsche

    http://www.dragonworksrocketry.com/

  9. #9
    Join Date
    23rd January 2012
    Location
    Elk Grove, CA
    Posts
    588
    Nice looking rocket. I am in the middle of building this one myself and I have a couple questions:

    1. How did you paint it? The instructions seem to tell you to paint after it is all built but given the scheme it seems that would be difficult at best.

    2. What motors did you use? Are the outer motors plugged?

    Thanks

  10. #10
    Join Date
    18th January 2009
    Location
    San Antonio, TX
    Posts
    10,553
    bump for editing
    __________________
    John A. Lee O.S.L.
    Alamo Rocketeers NAR Section 661
    NAR 87285, L1 8 March 2008
    TRA 03040, L1 8 March 2008

    Photos of the "Fleet": http://www.flickr.com/photos/23694991@N03/

    I used to tell Mom, "...I want to fly rockets when I grow up!"

    She said, "Make up your mind, you can't do both!"

  11. #11
    Join Date
    18th January 2009
    Location
    Concord, NC
    Posts
    1,218
    Here's mine, great kit!

    John Bergsmith
    Tripoli# 13245, Level 2
    NAR# 88075, Level 2

    Rocketry of Central Carolina

  12. #12
    Join Date
    18th January 2009
    Location
    WI
    Posts
    525
    Here's my Hydra VII family. A stock Semroc kit, next to a 1.55x upscale, which flies on 7x24mm.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Paul
    NAR #87246 L1 - Section #558 - www.wooshrocketry.org
    "If we weren't all crazy, we would go insane" - Jimmy Buffett

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