Sometimes simple is better. Introducing more parts means more things that can fail. I have quite a few rc models that I turn on by plugging the battery into a plug rather than using a switch. Switches do fail and that's why rmost really expensive models use 2.
Change the title ! I'm looking for the world's largest rocket launch and to my surprise, I see mediocre rocket launch, I hope that not what you consider "THE WORLDS LARGEST ROCKET LAUNCH " IF IT Was that's a joke!
Don't get me wrong, I understand where they're coming from. It's just a little heavy-handed to ban something that has a multi-decade track record of working fine and is very easy to inspect for functionality.
I've RSOed a lot and it's one of my favorite positions to volunteer. The whole average thrust thing is a really hard subject sometimes. I use it as a rule of thumb, but when someone comes up with a marginal rocket generally I put the prof of burden on them. I don't have all the thrust curves memorized, so if I can lookin it up or you can show me it has a spike, I am fine. But if you come to me with a motor I am unfamiliar with and can't prove the spike then I will probably not sign it. I've had too many times where someone said trust me and then the rocket was way under powered. As an RSO, I am here to help you have safe fun.
I did have once where they didn't want me to fly the I180 in the 4" IRIS. It was above 3:1 average TWR but they wanted a minimum of 7:1. I just showed them the maximum g-force column.
@benjaminnevins5211 As an RSO if you have all that and it's all good numbers, I would not question that. The scenario I've rejected flights has been when someone comes to me with a 12 pound rocket with a J250 (really flat thrust curve) and swears it has a kick at the start, but it doesn't. In that scenario the motor would be very marginal to the NFPA. At a place like BALLs that could be an acceptable heads up flight. At LDRS, or NSL I would consider that a potentially dangerous flight.
I was the lead engineering for the UMass Lowell Rocketry Club, we had a 54mm diameter rocket ready to go to 15,000kft and mach 1.5 but we stood down due to clouds and high altitude winds. would have been great to go but I couldn't pass up recovering the money we spent on the hotel.
And in the distance you can hear the droning of hundreds of tiny quarter scale Royles Royce Merlin engines .......soon 500 quarter scale Lancaster bombers appear overhead, on a mission to wipe out the quarter scale Peenemund Rocket research site and ALL those dangerous V Bombs ........ ESPECIALLY the first, rainbow colored one .......a big beautiful MENACE 🙄
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