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Tom Engelhardt

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Beitrag 7636492 , Todesfall in den USA [Alter Beitrag16. November 2015 um 11:11]

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Gerade bei Facebook darüber gestolpert...nun ist es also doch passiert.
Fallschirm versagt am Gipfelpunkt, Rakete kommt ballistisch zurück und trifft den anwesenden Boyscout Führer direkt ins Gesicht.
Genaueres hier
http://m.pe.com/articles/bentley-786423-rocket-event.html

Tom

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Beitrag 7636510 [Alter Beitrag17. November 2015 um 19:45]

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Auch wenn die Informationen zum Vorfall nach wie vor spärlich sind (interessant wäre vor allem zu wissen, was für eine Rakete es genau war), hier hat jemand einige kluge Gedanken aufgeschrieben:

http://billsrockets.blogspot.ca/2015/11/a-tragic-weekend.html

Oliver
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Beitrag 7636575 [Alter Beitrag22. November 2015 um 22:09]

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Heute kamen über die arocket-Mailingliste (habe auf der NAR-Homepage leider nichts gefunden) eine Stellungnahme von Ted Cochran, dem Vorsitzenden der NAR:

As I reported on the NAR Facebook page last Sunday, I regret to have to inform you that a fatal on-field rocketry accident occurred in California last Saturday. I want to bring you up to speed on the status of our investigation.
When I made the first announcement, there were few details available. We have since been working to understand what happened, so that we may all learn from it and prevent it from happening again. Our Association has no standing in the matter except as concerned and experienced enthusiasts, but I've been in contact with law enforcement and witnesses and have a preliminary set of facts to share.
First, to the best of our knowledge, no NAR or TRA members were involved in this incident, certainly not directly involved. No kids were involved, except, unfortunately, as witnesses.
The deceased, Mike Bentley, a very experienced adult Scout leader, was at an annual BSA Council-sponsored rocketry and camping event for multiple scout troops called Rocket Rave, which has been conducted for at least several years. During the weekend, scouts complete tasks required for their Space Exploration merit badge, which requires two model rocket launches. During the launches, it has also been common for adults to launch their own, larger rockets.
Around noon on Saturday, Mike engaged in a drag race with a second adult. Winds were likely within limits, safe distances were at least close to being met, and both rockets probably met the weight and power limits defined by the NAR Model Rocket Safety Code. The drag race was conducted from a dedicated area, to one side of the primary launch pads for the scouts to use to fly their conventional A through C powered model rockets, and about two dozen people were in the immediate vicinity.
Mike's rocket was powered by a small APCP motor; the other rocket was powered by at least one, and possibly more, black powder motors. Both rockets launched; while Mike was watching his rocket, the other rocket arced over and came down ballistically, striking him in the face and causing severe injuries. Despite the best efforts of scouts, law enforcement, and medical professionals both at the scene and afterwards, his injuries were ultimately fatal.
We know that the rocket that struck Mike was about four feet long and four inches in diameter. It had a cardboard body tube and a plastic nose cone. We don't know much else for sure. It is possible that the rocket was designed to fly on a cluster of motors, but at least one picture of the flight does not clearly show more than one motor firing. No parachute was deployed; none was seen at the accident site. At least one report indicates the rocket was damaged prior to flight. We don't know what motor(s) were used and whether they all ignited and functioned as designed. We don't know if applicable local laws were fully observed.
I do know that the investigating law enforcement authority is not pursuing a criminal investigation at this time. The lack of an investigation will likely leave questions unanswered for some time. We don't know if the rocket would have been allowed to fly at a NAR launch; we can't definitively say whether the NAR safety code was observed or not. We will continue to gather information to the best of our ability, and we'll pass on significant new findings to you.
Where does this leave us? We know that rocketry remains orders of magnitude more safe than any other outdoor activity we can name, provided the safety codes are followed. But it is not without risks; the safety code is our primary means of mitigating those risks.
Everything in the safety codes is there for a reason, and I urge you to continue to observe-and when prudent, exceed-their recommendations every time you fly.
Do preflight inspections of every rocket. Be especially careful with complex rockets. Pay special attention to the recovery system.
Tilt your launch guides away from the crowds: Plan to have good flights, but also plan for bad flights to end in safe places.
Add to the safe distance standards when lots of observers are present.
Make sure launch controllers and ignition methods are appropriate for the motor(s) being used.
Have a spotter for every rocket in a drag race, near enough to the RSO to be able to get a warning out if necessary.
Have people point at malfunctioning rockets if they see them.
Make sure the crowd can hear the RSO.
Confirm the stability of untested designs.
If rockets are flying over spectators, stop and fix the problem.
Offer to help people and groups who are just starting down the path that we have trod. Set a safe, positive, and helpful example.
Please consider contributing to Mike's memorial fund through his gofundme site.
I'll continue to keep you informed, so that we can learn what we can from this unfortunate accident, and be safer because of it.
Sincerely,
Ted Cochran
President, National Association of Rocketry

Oliver
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Beitrag 7636578 [Alter Beitrag23. November 2015 um 09:04]

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Oha,

das ist natürlich ein schwerwiegender Vorfall. Aber wie in dem Statement schon steht: Es gibt nie eine 100%-ige Sicherheit. Aber man muss versuchen die Risiken so klein wie möglich zu halten...

Per Aspera ad Astra
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Beitrag 7639535 [Alter Beitrag23. Januar 2017 um 15:46]

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There was a second fatal accident right after this one. A rocket using propane exploded and killed an 18 year old. Of course home made propane rockets are a no-go at any NAR events, but the general public and the news would not differentiate from a paper and plastic model rocket,with safety rules and guidelines, to what any of us would consider a dangerous home made bomb. That these two unfortunate events happened so closed together only makes it worse.

Ich greife nach den Sternen!
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Beitrag 7639573 , Propane Rocket ? [Alter Beitrag27. Januar 2017 um 17:37]

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Do you have more informations about the incident ? What means exactly "propane rocket"...a pipe filled with a mix of propane vapours and air or pure oxygen ? Or was it a liquid fuel rocket (LOX/Propane) ?

Regards

Thomas
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Beitrag 7639577 [Alter Beitrag28. Januar 2017 um 21:48]

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What I can pick up from the press, it was some kind of home made "Propane Rocket Motor" he was going to use to power a skateboard. Since this happened so close in time to the incident with the Scout Leader, they report it as "Another fatality with a model rocket." I lean more towards the "Smart kid did something stupid after seeing something on Youtube", but I have no details on what the device was or how it was made.

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Beitrag 7639600 [Alter Beitrag30. Januar 2017 um 20:53]

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Zitat:
Original geschrieben von Kelley

What I can pick up from the press...




OK thanks, maybe we get more in near future from other sources.

Regards

Thomas
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Beitrag 7639603 [Alter Beitrag31. Januar 2017 um 09:30]

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Yes. I hate how the press said it was a "model rocket incident". This does not further the cause of model rocketry.

Ich greife nach den Sternen!
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