Built rack to display fleet. Had a redo. 1.0 had rockets pointing everywhere. Amazing how difficult it is to drill holes in straight and parallel alignment. This isn't great, but it is tolerable.
What did you do rocket wise today?
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Built rack to display fleet. Had a redo. 1.0 had rockets pointing everywhere. Amazing how difficult it is to drill holes in straight and parallel alignment. This isn't great, but it is tolerable.
beeblebrox
8 C6-0, 12 D11-9, 20 D20-0, 20 E5-0, 3 Cinerocs
Working on a 4" motor mount assy for 38mm motors. Rocket will be a test bed for 38mm motors I'm working on... Had to add the 24mm mounts for clusters.
Scrapmaster87
Well-Known Member
Started putting together the first parts of my "suicide lathe". That's a 4.5" OD aluminum tube that's going to be my mandrel. Not pictured is the VFD to run the motor, spacer blocks to raise the axis, and a bunch of other things.
That's half of a 3D printed disc coupling on the motor. There's a lot more printing to go on this, including ducting for a hair dryer to heat the mandrel and secondary containment for the mandrel (in case one of the couplings let's go).
That's half of a 3D printed disc coupling on the motor. There's a lot more printing to go on this, including ducting for a hair dryer to heat the mandrel and secondary containment for the mandrel (in case one of the couplings let's go).
Looked at the exchange rate and was glad I placed some orders last week. Aussie dollar = 66 cents US. 
Oh, and did some more repair work on the Scale Kits Apex I stored under... something heavy.
Oh, and did some more repair work on the Scale Kits Apex I stored under... something heavy.
You can thank CoVID19 and excessive reactions to it for that. Fear always pushes investment into safe havens, the biggest of which are gold and the US dollar.Aussie dollar = 66 cents US.
o1d_dude
'I battle gravity'
Used Crazy Jim's method of marking fin fillet edges with a length of PVC pipe colored with Sharpie marker ink.
Recipient was my Madcow 4" Frenzy fin can that's been sitting on my rocket bench for way too long. I put the fin can there where I would walk past it every time I entered the garage. Not as successful as I had hoped...It's been sitting there for a couple of years.
Recipient was my Madcow 4" Frenzy fin can that's been sitting on my rocket bench for way too long. I put the fin can there where I would walk past it every time I entered the garage. Not as successful as I had hoped...It's been sitting there for a couple of years.
Speaknoevil
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Well now you got the boulder rolling, you'll have it done in no time!
lakeroadster
When in doubt... build hell-for-stout!
Some CAD work on The Rocket Sled. More here https://www.rocketryforum.com/threa...itions-to-vertical.157861/page-2#post-1968204
o1d_dude
'I battle gravity'
Well, hopefully so. At my age, I'm playing on the back nine so I'd better get myself in gear.Well now you got the boulder rolling, you'll have it done in no time!
Goonstr
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Managed to do some sanding on the six rockets that I have built over the last couple of months. These include from Estes, the Red Max, the Goblin, Expadition, the Puma, and the Lynx. And then from Art Applewhite, the 18mm Pyramid.
Vdutel
Well-Known Member
Well today I made a choice for my L 1 Rocket and got that bad boy on order ... My choice is the Apogee Zephyr!!!! .. Just love the design and what more can I say!!
Then went to local hardware store bought PVC pipe and a poop ton of fittings to make a multi rocket carrier... Next week cant come fast enough expected day of arrival 4 days and it will be a LONG wait... Like a kid at the Xmas tree waiting for their parents to wake up and open presents... LOL
... My choice is the Apogee Zephyr!!!! .. Just love the design and what more can I say!!Then went to local hardware store bought PVC pipe and a poop ton of fittings
to make a multi rocket carrier... Next week cant come fast enough expected day of arrival 4 days and it will be a LONG wait... Like a kid at the Xmas tree waiting for their parents to wake up and open presents... LOL 
Nytrunner
Pop lugs, not drugs
Word of advice: patience is the rocketeer's friend. Launches get canceled/rained out. Things break. Vendors run out of the motor you had your heart set on.
Adopting a relaxed view of rocket timeline can help keep the hobby from becoming another stress-riser in life
Does any company make a 4" OD balsa nosecone?
rharshberger
Well-Known Member
Not that I am aware of, they would be very expensive, a plastic cone would be cheaper.
Rich, I'm mentoring a College Rocket team and we will be using a 12" 4" OD. 3.75 ID acrylic payload bay. I don't think there's enough plastic in the shoulder to get it down to 3.75".
It would be appropriate, IMO, to start a new thread for suggestions on this. I'll give you one if you do. (I can't promise it will be a good one...)
rharshberger
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That is probably true, PM sent.
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I'm hoping to attend that launch too. Keeping fingers crossed for low winds and a warm sun.
GrouchoDuke
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I'm now officially miffed about not having a rocket workshop anymore. We've been full-time RVing since I retired from the USAF last September (plus starting a new airline pilot job & stuff). It's been _amazing_, but I'm really itching to build some more rockets & get my rocket electronics designs going. I also have several record attempts I'd love to start building for...
We've visited 18 states since September. Zero rocket launches though.
Here's the attack plan: get enough seniority in the new airline career to get the base I want, buy a house with a big-a$$ shop (or build one), build rockets. #firstworldproblems
We've visited 18 states since September. Zero rocket launches though.
Here's the attack plan: get enough seniority in the new airline career to get the base I want, buy a house with a big-a$$ shop (or build one), build rockets. #firstworldproblems
Good idea. What area do you think it falls under?
Scratch Built, Techniques, or HPR (I assume). Your choice.
Mick Kelly
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Anyone know where to buy a Black Brant II besides Madcow(their out of stock) Either a 2.56, 3 or 4"
This is my 4" Splatnik. Solid Styrofoam, 1/8" dowels for antennas. C6-5 motor. At it's last launch, a guy with a 6' tall midpower asked if I had thought of doing an upscale version. Today I started it. It will be 12" diameter with a 3 motor cluster, D or E. Have run my design through OpenRocket and so far get a max altitude of 22.6 ft. anyone skilled with OR want to take a look at my design and tell me what I'm doing wrong?
Vdutel
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Mick Kelly
TRA#02937
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Thanks Victor, When I went to check out it Said ships from Madcow Approx by March 13th. So Still looking but thank you very much in helping in my search
Mick
It's unstable, because whatever makes the actual model stable (base drag I presume) is not accounted for in OR. Try moving the stage CG override to -800 inches (yes you read that right).
Canadian Space Agency? (Alright, yes, I'm a smartass.)
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