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  #151  
Old 01-05-2019, 08:15 PM
ghrocketman's Avatar
ghrocketman ghrocketman is offline
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I did this many years ago in a family farm field by myself.
No risk whatsoever.
Never a member of NAR or TRA....WAYYYYYY too many rules.
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  #152  
Old 01-06-2019, 07:16 AM
blackshire's Avatar
blackshire blackshire is offline
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Quote:
Originally Posted by ghrocketman
I did this many years ago in a family farm field by myself.
No risk whatsoever.
Never a member of NAR or TRA....WAYYYYYY too many rules.
*Nods* That's how my father--and later I--did it, with no one else around. Also:

The rocket that caused that fatality wasn't even a model rocket (although it used model rocket motors), because it had a PVC pipe body tube! (A model rocket is legally defined as being made of "only lightweight, non-metal parts for the nose, body, and fins of my rocket.") The *lack* of that is what caused the person's death, because PVC pipe isn't frangible (it doesn't absorb impact energy by crumpling, as paper or thin plastic body tubes [and the impact energy-dissipating "crush zones" in car bodies] do). Plus, if a PVC pipe-bodied rocket suffered a CATO, its body could be shattered by the motor's--or motors'--CATO(es), creating potentially deadly--or blinding/maiming--shrapnel (metal shrapnel is more massive per given volume of material, of course, but PVC shrapnel can kill, blind, or maim just as easily, if it's projected outward rapidly enough), and:

Being a Fire Chief (on the Miami Fire Department; he became a new model rocketeer in his *forties*, back in the 1960s!), my father was very safety-conscious, and he didn't--due to his rank and experience--have a "know-it-all"/"It can't happen to me because I'm an expert" attitude. He lit off fireworks (the best kinds, that fly and explode!) at our house, using a punk affixed to a long stick, and he wore his face-and-head-protecting riot helmet when he did that; he always had water available to extinguish any flames, too. Concerning model rocketry:

Whenever we flew model rockets at the old, abandoned Tamiami Airport (now Tamiami Park, adjoining the FIU--Floida International University--campus), he taught all six of us kids to observe--and exceed--the requirements of the NAR Safety Code when flying in such places, because other people were in the vicinity (flying their model rockets, model airplanes, or kites, playing Frisbee, etc., or just being observers or bystanders), but:

When a venerable old rocket, like his orange-and-white (masked and painted, using a paint sprayer bottle and a compressor) Estes Big Bertha, became too old, floppy, or threadbare to keep flying without taking "heroic" measures at the workbench (and if it had too few usable or serviceable parts to make it worth cannibalizing for the spare parts box), it got to make a spectacular final flight--away from anyone else, or any property, who/that could be harmed. Neither of us ever did this more than a handful of times, because--happily--most old, worn-out rockets *do* have enough usable or serviceable parts to justify cannibalizing them for spare parts. As well:

When such worn-out rockets are "flight-disposed of" away from anyone or anything that could be harmed or damaged (it was easy to ensure that we weren't in harm's way), the NAR Safety Code is irrelevant in such circumstances--just as the laws prohibiting public nudity are irrelevant if one walks around naked in an empty and/or view-obscuring location, especially on a Moonless night. (I mention the public nudity example because a late friend of mine actually did that. He paid a kid on an adjacent block to keep shooting out--with a BB gun--the streetlight that illuminated his large, hedge-and-fence-obscured lot. He did this because he loved showering outside on his front walk, in the warm, refreshing summer night rains. Since no one could see him, it didn't matter that he was breaking the public nudity law.)
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Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
http://www.lulu.com/content/paperba...an-form/8075185
http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
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NAR #54895 SR

Last edited by blackshire : 01-06-2019 at 08:05 AM.
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  #153  
Old 01-06-2019, 02:29 PM
MarkB.'s Avatar
MarkB. MarkB. is offline
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Off-Topic Comrades:


Done! (Well, mostly)

Attached are the images. The first is the the rocket all in primer. I went with Duplicolor Black Primer on the tube and nose with a minimal amount of overspray on the fins focusing on the repaired area. My experience is red plastic is extremely hard to paint over without getting bleed-thru. This is critical for the white nose but I decided a little red bleeding through the copper on the fin unit wasn't necessarily bad. The primer helped seal up the water-damaged body tube pretty well.

No outdoor picture because it's raining on-and-off and the lighting is bad but the second picture is the final. Colors are Rustoleum spray Copper, Camo Deep Forest Green and Flat White in the alternate Nike-Smoke scheme. The scheme works well for this model with its pronounced fin can. The nose was tricky to mask but it worked out.

The parachute needs a little more work, but that's all the rocket needs to be ready for launch. The kids want to go launch so maybe by the end of the month.
Attached Thumbnails
Click image for larger version

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Name:  DSC_0067[1].jpg
Views: 38
Size:  1.07 MB  
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Identifying a problem without proposing a solution is just whining.

NAR 79743
NARTrek Bronze
SAM 062

Awaiting First Launch: Excelsior/Semroc Scrambler; Rescue Sandhawk; SS-520-5; Rescue K-25 Arcas; mini V-2; Fly Baby; Centuri Nike-Smoke; Vashon X-13; Estes Firefly; Semroc Swift; Glider-Launching-Rocket; Black Hole Probe; Enerjet Pterodactyl
Finishing: Blossum
Repair/Rebuild: MPC Nike Smoke
On the Bench: LTV Scout F; 1/10 Phoenix; 3" Bertha; Nike HTT
Dream Stage: Big R-7

Last edited by MarkB. : 01-06-2019 at 03:22 PM.
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  #154  
Old 01-06-2019, 03:16 PM
blackshire's Avatar
blackshire blackshire is offline
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Location: Fairbanks, Alaska
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Quote:
Originally Posted by MarkB.
Off-Topic Comrades:


Done! (Well, mostly)

Attached are the images. The first is the the rocket all in primer. I went with Duplicolor Black Primer on the tube and nose with a minimal amount of overspray on the fins focusing on the repaired area. My experience is red plastic is extremely hard to paint over without getting bleed-thru. This is critical for the white nose but I decided a little red bleeding through the copper on the fin unit wasn't necessarily bad. The primer helped seal up the water-damaged body tube pretty well.

No outdoor picture because it's raining on-and-off and the lighting is bad but the second picture is the final. Colors are Rustoleum spray Copper, Camo Deep Forest Green and Flat White in the alternate Nike-Smoke scheme. The scheme works well for this model with its pronounced fin can. The nose was tricky to mask but it worked out.

The parachute needs a little more work, but that'a all the rocket needs to be ready for launch. The kids want to go launch so maybe by the end of the month.
That copper paint, over the red plastic, has a nice--and not unrealistic--crimson tinge to it, like that of some 1/2" copper tubing that I've seen. It might be due to some "within spec" impurity in the copper, but some of the tubing has a reddish coloration. The overall paint scheme reminds me of a Nike-Nike-Smoke (launched from Punta Lobos, Peru) that Dr. Bob Kreutz scratch-built a scale model of a few years ago; that round had three large, Nike-Ajax booster fins on each stage's Nike rocket motor.
__________________
Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
http://www.lulu.com/content/paperba...an-form/8075185
http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com.
NAR #54895 SR
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  #155  
Old 01-13-2019, 07:32 PM
Newbomb Turk's Avatar
Newbomb Turk Newbomb Turk is offline
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There looks to be a prime rescue candidate K Honest John just listed...
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  #156  
Old 01-14-2019, 08:15 AM
MarkB.'s Avatar
MarkB. MarkB. is offline
Drinks Dos XX w/ a squeeze of lime
 
Join Date: Feb 2008
Location: El Paso
Posts: 872
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Saw that. She wants more than I'm willing to pay. There are some other lots going right now, for the first time in a long time.
__________________
Identifying a problem without proposing a solution is just whining.

NAR 79743
NARTrek Bronze
SAM 062

Awaiting First Launch: Excelsior/Semroc Scrambler; Rescue Sandhawk; SS-520-5; Rescue K-25 Arcas; mini V-2; Fly Baby; Centuri Nike-Smoke; Vashon X-13; Estes Firefly; Semroc Swift; Glider-Launching-Rocket; Black Hole Probe; Enerjet Pterodactyl
Finishing: Blossum
Repair/Rebuild: MPC Nike Smoke
On the Bench: LTV Scout F; 1/10 Phoenix; 3" Bertha; Nike HTT
Dream Stage: Big R-7
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