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  • karlbaum's Avatar
    29th July 2014, 11:28 PM
    I can see where a solenoid indicator would be useful. I would rather have a flow indicator. The best thing to do is to have a pad checklist when...
    9 replies | 309 view(s)
  • karlbaum's Avatar
    29th July 2014, 11:24 PM
    The sensor senses the drop in temperature when the liquid nitrous comes out. It places a thermistor right in front of the vent in order to sense the...
    9 replies | 309 view(s)
  • karlbaum's Avatar
    29th July 2014, 11:12 PM
    OnlineMetals.com 15% coupon today only July 29 Use Coupon Code: DCG5A
    13 replies | 314 view(s)
  • karlbaum's Avatar
    28th July 2014, 01:21 PM
    I had a 24mm gG pink motor cato. The forward closure failed.
    18 replies | 654 view(s)
  • karlbaum's Avatar
    28th July 2014, 01:21 AM
    Well most of these ideas are not my own. There was GSE that had a remote vent indicator on the Launch Control Module I believe it was "GSE One" and...
    9 replies | 309 view(s)
  • karlbaum's Avatar
    26th July 2014, 07:11 PM
    I have uploaded a video describing my GSE. http://youtu.be/XKP87VSOg3o I also have a schematic of the electronics that I have uploaded. In the future...
    9 replies | 309 view(s)
  • karlbaum's Avatar
    24th July 2014, 11:51 PM
    karlbaum replied to a thread Why not hybrids? in Propulsion
    Gerald I am assuming that you are looking at ground tanks and not flight tanks. I suggest that you get a minimum 20 pound tank. Keep in mind that...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    23rd July 2014, 11:25 PM
    karlbaum replied to a thread Why not hybrids? in Propulsion
    Very well then I will make a video and a schematic of the GSE I made and publish it on the forum. My son and I will be working on a vent sensor...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    23rd July 2014, 04:02 AM
    karlbaum replied to a thread Why not hybrids? in Propulsion
    I think you are talking about cost. You are correct that getting started in hybrids is a significant investment. You really need your own GSE on...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    21st July 2014, 02:55 AM
    Some vendors offer certification specials like Wildman and Bay area Rocketry. Try http://bayarearocketry.com/#sthash.aWXHTvjW.dpbs. He has the H128...
    15 replies | 406 view(s)
  • karlbaum's Avatar
    21st July 2014, 01:36 AM
    karlbaum replied to a thread Why not hybrids? in Propulsion
    Do you ever travel to other countries to fly rockets? There was an article about German rocket club Arbeitsgemeinschaft Modellraketen holding a...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    20th July 2014, 05:53 PM
    karlbaum replied to a thread Why not hybrids? in Propulsion
    Some guys do research motors which are far more difficult than commercial motors and have a "learning curve" and can be prone to failure. Hybrid...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    20th July 2014, 05:39 PM
    karlbaum replied to a thread Why not hybrids? in Propulsion
    Damian, thank you for pointing out that from a legal standpoint hybrids have the advantage because they do not use highly flammable materials. ...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    20th July 2014, 05:30 PM
    karlbaum replied to a thread Why not hybrids? in Propulsion
    On warm days the nitrous tank needs to be placed in a bucket with a wet towel around it and it will keep cool. They are more work than using ...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    20th July 2014, 07:49 AM
    karlbaum started a thread Why not hybrids? in Propulsion
    I am curious what the forum thoughts are on hybrids. Why or why not flyers using hybrids? I use hybrids because they cost less per flight than do...
    50 replies | 1782 view(s)
  • karlbaum's Avatar
    19th July 2014, 12:23 AM
    I am old school reload and reusable case flyer myself but there is something that has been left out here. Aerotech has been releasing single use...
    22 replies | 735 view(s)
  • karlbaum's Avatar
    18th July 2014, 01:08 PM
    karlbaum replied to a thread [Wanted] WTB 38mm Skyripper motor in Yard Sale / Wanted
    I am buying Kevin's motor but it is missing the forward closure. If anyone wants to part with a forward closure I would be interested.
    4 replies | 242 view(s)
  • karlbaum's Avatar
    17th July 2014, 01:21 PM
    Does anyone have a 38mm Skyripper they want to sell?
    4 replies | 242 view(s)
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