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  • DRAGON64's Avatar
    14th October 2017, 01:12 PM
    DRAGON64 replied to a thread Trojan Hardware in Propulsion
    Trojans worked on the same "fill-at-the-pad" premise like Contrail.
    8 replies | 364 view(s)
  • DRAGON64's Avatar
    13th October 2017, 07:59 PM
    DRAGON64 replied to a thread Trojan Hardware in Propulsion
    I have used the alternate contact option, but no joy. I found this older image, but not much more...
    8 replies | 364 view(s)
  • DRAGON64's Avatar
    13th October 2017, 06:04 PM
    DRAGON64 replied to a thread Trojan Hardware in Propulsion
    Pics of the hardware and loads would help.
    8 replies | 364 view(s)
  • AlphaHybrids's Avatar
    11th October 2017, 07:04 PM
    The 6061 aluminum casings aren't the weak part of the system. We all use similar casings multiple times. From the pictures shown, it looks like the...
    57 replies | 1717 view(s)
  • AlphaHybrids's Avatar
    11th October 2017, 04:34 PM
    To me that is a disposable and unsustainable way to think. I'm going to use cheap tools I can throw away when they no longer work well. Or I could...
    32 replies | 915 view(s)
  • AlphaHybrids's Avatar
    11th October 2017, 03:27 AM
    You should size the holes in the printed guide to accept an aluminum bushing. That way your drill bit (1/16"?) goes in the bushing and then doesn't...
    32 replies | 915 view(s)
  • AlphaHybrids's Avatar
    11th October 2017, 03:02 AM
    George - bummer about the failure. I was out on the Pawnee Saturday but heard Sunday was better. I certified many moons ago on the H125 and then...
    57 replies | 1717 view(s)
  • AlphaHybrids's Avatar
    8th October 2017, 02:42 AM
    ...... R-Motor ................ 327,680.0 Ns ...... Q-Motor ................ 163,840.0 Ns SparkyVTFlyer................... 86,532.0 Ns (L3, 26...
    153 replies | 9668 view(s)
  • AlphaHybrids's Avatar
    5th October 2017, 09:06 PM
    I've pigmented epoxy before when using Aerosleeve fiberglass sleeves on LOC paper tubes. Black - Lampblack/Carbon Black Red - Red Iron Oxide...
    10 replies | 363 view(s)
  • AlphaHybrids's Avatar
    4th October 2017, 03:12 AM
    Fred - I'm glad to hear that the motor lit, but bummed that it took so long. Last weekend I tested a 75mm finocyl (don't do it, way to small to be...
    125 replies | 9551 view(s)
  • DRAGON64's Avatar
    1st October 2017, 01:44 PM
    DRAGON64 replied to a thread Hybrids 2017 in Propulsion
    Excelent pics and video Denis, glad you are back to flying again!
    156 replies | 11737 view(s)
  • DRAGON64's Avatar
    30th September 2017, 01:29 PM
    DRAGON64 replied to a thread Hybrids 2017 in Propulsion
    Best of luck to you Denis, looking forward to the report and video!
    156 replies | 11737 view(s)
  • DRAGON64's Avatar
    29th September 2017, 07:39 PM
    DRAGON64 replied to a thread Hybrids 2017 in Propulsion
    True, GSE is a concern. Hybrids blossomed from a time when Korey Kline (developer of HyperTEK) offered free GSE to get hybrids on the market. I...
    156 replies | 11737 view(s)
  • DRAGON64's Avatar
    29th September 2017, 12:26 PM
    DRAGON64 replied to a thread Hybrids 2017 in Propulsion
    Contrail has expressed some interest in designing 29mm hybrids, and they are asking for a little feedback on what sizes to build, and what type of...
    156 replies | 11737 view(s)
  • DRAGON64's Avatar
    27th September 2017, 03:43 PM
    DRAGON64 replied to a thread Hybrids 2017 in Propulsion
    Some awesome videos from across the pond. These are posted by Colin Rowe at the yahoo group website:
    156 replies | 11737 view(s)
  • DRAGON64's Avatar
    27th September 2017, 01:08 PM
    The all-thread was mount short on the bulkhead, very similar in length to the exposed length depicted in the last image. I am looking at adding an...
    57 replies | 9448 view(s)
  • DRAGON64's Avatar
    27th September 2017, 12:33 PM
    DRAGON64 replied to a thread New launch pad in Ground Support
    Looks really good, I am a firm believer in low profile launch pads. Have you put the pad to use yet?
    6 replies | 512 view(s)
  • DRAGON64's Avatar
    27th September 2017, 12:30 PM
    At SouthernThunder 2008 my first attempt at TRA L3 ended in failure due to an improperly folded chute... Got more direction from my TAP member that...
    85 replies | 2510 view(s)
  • DRAGON64's Avatar
    26th September 2017, 05:56 PM
    DRAGON64 replied to a thread Hybrids 2017 in Propulsion
    So I posed a question to the Hybrid Rocket Motor yahoo groups asking for hybrid users to sound off... here is a reply from Thomas Sanders, owner of...
    156 replies | 11737 view(s)
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