Videos WITH surround sound...No. Videos…
Videos WITH surround sound...No. Videos…
Pictures of the launch will be great. I can't make this one.Not quite, photos only. I don't do video any longer, too much of a time vampire.
That seems like a lot of delay grain taken out.I fly my scratch built rocket on the AT D15-7T motor in the 24/40 RMS case as my test flight at the field to see wind direction and landing zones for higher flying rockets.
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It only goes 600' on this load and needs a 5 second delay to deploy the main at apogee. The 7sec is not crazy long but it's nose down for a second if I don't trim the delay.
I use a 1/4" drill and try to drill about 1/8th depth and dump the shavings in the void above the fuel grain.
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I just picked up some AT D9-7W loads also and look forward to dialing in the trimed delay on that load also.
It only goes 600' on this load and needs a 5 second delay to deploy the main at apogee. The 7sec is not crazy long but it's nose down for a second if I don't trim the delay.
I use a 1/4" drill and try to drill about 1/8th depth and dump the shavings in the void above the fuel grain.
That's kind of what I've observed... it's almost as if the hobby line rms delays don't quite obey the 1/32" per second "rule"1/8" is 4 seconds off the delay. Not sure why you'd dump the shavings in the motor, either; there's no upside to that.
1/8That's kind of what I've observed... it's almost as if the hobby line rms delays don't quite obey the 1/32" per second "rule"
I need an eye-roll reaction on this forum! I guess I'd probably overuse it, though.That's kind of what I've observed... it's almost as if the hobby line rms delays don't quite obey the 1/32" per second "rule"
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Gee, thanks for setting me straight there. Guess I needed to be talked down off the ledge.I need an eye-roll reaction on this forum! I guess I'd probably overuse it, though.
your little snipe was probably the 5th post today I rolled my eyes at, that's all. I won't deny your personal experience, but I quoted the manufacturer's guidance.Gee, thanks for setting me straight there. Guess I needed to be talked down off the ledge.
I need an eye-roll reaction on this forum! I guess I'd probably overuse it, though.
Yes, my ledge comment was a snipe, and i take full responsibilityfor it, even regret it somewhat. But some decent advice in respose to my prior post would have been better received than an "eye roll". At least you got some emojis to download out of it. I'm done...you win.your little snipe was probably the 5th post today I rolled my eyes at, that's all. I won't deny your personal experience, but I quoted the manufacturer's guidance.
Regarding the delay: the delay tool will only adjust 8 seconds down, which is how we get to 12 as the minimum delay. Would there be any problem drilling farther than that? I believe the usual guidance is to keep it at 4 seconds or more, right?
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The K750ST is a winner!!!
I have a feeling this and the 2-grain version are going to be really popular.
Justin has some really good stills that i believe he will post later.
Rocket was 10lbs dry and flew to 3500'. PERFECT motor for bigger rockets on challenging fields/conditions.
Thank you Aerotech!!!
The K750ST is a winner!!!
I have a feeling this and the 2-grain version are going to be really popular.
Justin has some really good stills that i believe he will post later.
Rocket was 10lbs dry and flew to 3500'. PERFECT motor for bigger rockets on challenging fields/conditions.
Thank you Aerotech!!!
Always good when flame is longer than the rocket.Confirmed, really nice motor. Cant wait to see the K-1800 as well! Typical that the photos and video do not do the motor justice.
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Any chance of 29mm (maybe even 24mm?) Dark matter propellant sticks?
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