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Well, ARLISS/XPRS 2018 is almost here. Some of us will arrive on the playa Sat and Sun, Sept 8th and 9th, and set up the ARLISS range on Sunday afternoon. ARLISS will run Monday thru Thursday. It is my understanding that we have 60 M flights scheduled for the week. Thursday afternoon, we'll...

No one else put it up, so I guess I will... Snow Ranch is ON for this Saturday, December 2nd, 0900. The only legal level 3 launch site in northern California will be up, and flying under a 15K waiver. NO SPARKIES!!!! There's still a bit of dry grass, so we need to forget the titanium this...

Apollo 12 command module pilot. Conrad and Bean can't take their walk if Gordon doesn't watch over from the mother ship. Godspeed, space man.

Walter Becker, guitarist for Steely Dan, has passed. Thank you for the music, Walter.

ARLISS/XPRS at Black Rock is coming up quickly. ARLISS is Sept 11 thru 14, and XPRS runs Friday the 15th to Sunday the 17th. Most of us ARLISS fliers will be heading up on Sunday, Sept 10th, and setting up a limited range for the ARLISS flights which will run thru Thursday. The rest of the...

Do we have any coilers on this forum? I found some brick IGBT's with some reasonably impressive specs. 1200 volts, 200 amps... For $29 a copy. Start small, with a Class E running a hot mosfet on a CPU cooler. Then a single resonant half-bridge, then move up to dual-resonance using a full...

Get 'em ready, cuz the weather is looking good for March 4th. Don says the ranch is draining well, but all the "stay on the road" rules are gonna apply double this next launch. Cuz that ground is soft.

Too much of the wet stuff. "The Big Muddy" is running high. This keeps up, and we may have to talk to Elon Musk about barge landings.

Weather is looking good for tomorrow at the ranch. Aviation report says cool, clear, and dead calm. NOTAM has been filed. The ranch will be wet. Stay on the road. As always, contact the BoD ahead of time if you plan to fly anything bigger than full K impulse.

I'm bored. So I'm putting this here. If it's going up, it's gotta go somewhere. In what will probably be short bursts, I'll document the build of a Frankenstein ARLISS-M. Going to be made mostly from resurrected parts, on the cheap. If that's possible. (Gotta be. I'm retired/disabled. That's...

That's right, folks. Next Saturday. Thanks to the rain, Snow Ranch begins early. :w: Don't forget... Anything over a full K requires prior BoD approval. Be there or be square.

No one else put it up... ARLISS 2016 starts on Monday, Sept 12, at 0900. Runs thru Thursday. XPRS is Friday thru Sunday, the 16th to the 18th. I understand there will be a high altitude window on Saturday, the 17th. There are several six digit projects on the docket. Let's see how many can...

I've pretty much exhausted my Google-fu. All I can find are really poor photos... Can anyone point me in the direction of some technical drawings for the HVAR Holy Moses from WWII? It seems we need to build an accurate replica for some folks, and they're in a hurry. I'm led to believe that...

Due to expected downpours, the LUNAR Snow Ranch launch for March 5 has been cancelled. Weather for the rain date of the 12th isn't looking too good either. Please check the hotline.

Philae has contacted Earth... https://www.msn.com/en-us/news/technology/philae-comet-lander-wakes-up/ar-BBl7mpk

Went to Wally World yesterday and made a small purchase. Pennies over $16. The checkout clerk rang up the item, and I swiped my debit card. I'm standing there, watching the little terminal, waiting for it too prompt me to enter my PIN, and the clerk hands me the bag and receipt, and says...

Actually, it's more of a Super-Pi Day. 3.14.15 A country boy comes home from college, the first of his clan to get an advanced education. His Pappy says "So, impress me with somethin' you done lernt in that there fancy school!" The young man answers "Pi R squared!" His Pappy...

High power rocketry making a very real contribution... https://www.intelfreepress.com/news/cansat-satellite-rocket-intel-edison/8791 We've been doing this for years. You wanna talk about a seriously cool program, talk about ARLISS. Ya show up with your ARLISS bird in September. She's...

Their OS gets worse every time they improve it. :mad: I have an AipTek Trio Pencam HD that I cannot get to send the pics to the PC. (Used to work fine on the Win7 box.) When I plug it in to the Win8 box, the LED comes on red. Indicates charging. That works. If I then turn the cam on, the LED...

Had a discussion about interstage couplers a short while back. Contacted my customer, and asked if he could take a couple of pictures. I hope this works. I'm a machinist, not a computer wiz. Or photographer. This will couple a 5.5" PR booster (98mm mmt) to a 4" PR sustainer, with a 54mm...