Well that didn't work... Failure Gallery

Discussion in 'Other' started by Aksrockets, May 26, 2011.

Help Support The Rocketry Forum by donating:

  1. May 26, 2011 #1

    Aksrockets

    Aksrockets

    Aksrockets

    Now with 8% more aluminum

    Joined:
    Apr 1, 2011
    Messages:
    3,482
    Likes Received:
    5
    Post whatever you want about your rocket failures. These could be:
    Catos
    Shreds
    Instability
    Lawn darts
    Land sharks
    Core samples
    Or anything that didnt work quite like you expected.

    here is mine.
    See the pictures and the paragraph titled "naive launch" those flights didnt work out so well because I didnt know about the CG/CP of the rocket or what that even meant.

    Here is just a photo of my failure IMG_7159.jpg
     
    Last edited by a moderator: May 26, 2011
  2. May 26, 2011 #2

    JAL3

    JAL3

    JAL3

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    13,204
    Likes Received:
    14
    Using an old Estes E-15 on a beloved, rare rocket is not a good idea...

    BnS-f2a.jpg

    BnS-f2b.jpg

    BnS-f2c.jpg

    BnS-f2d.jpg
     
  3. May 26, 2011 #3

    Fishhead

    Fishhead

    Fishhead

    Well-Known Member

    Joined:
    Jan 20, 2009
    Messages:
    3,171
    Likes Received:
    1
    I've never heard a good E15 story. What was the end result? What's the story behind this bird? Very interesting design.
     
  4. May 26, 2011 #4

    cjl

    cjl

    cjl

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    12,505
    Likes Received:
    2
    My most painful failure - my 4 inch AIM-120C on an M1300 Dual Thrust last year at LDRS:

    [​IMG] [​IMG]

    (For anyone who wants to fly an M1300, I suggest you glue the grains...)
     
    Last edited: May 27, 2011
  5. May 26, 2011 #5

    JAL3

    JAL3

    JAL3

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    13,204
    Likes Received:
    14
    This was the thread: http://www.rocketryforum.com/showthread.php?t=3215

    It was a beta for PemTech's HMAS Bonestell. I had plenty of nice flights. It was a bit squirrely because of a crooked fin. I was searching for the power threshold where the bad stuff started to happen. I found some old E15s from the early 90s in my garage.


    CATO

    :sad:

    :cry:

    I gave the carcass to a kid who was present in the hope of enticing him to further participation. Didn't happen.

    :sad:
     
  6. May 27, 2011 #6

    Pem Tech

    Pem Tech

    Pem Tech

    Well-Known Member

    Joined:
    Jan 20, 2009
    Messages:
    4,384
    Likes Received:
    8
    *quiet sobbing*
    :(
     
  7. May 27, 2011 #7

    mannyskid

    mannyskid

    mannyskid

    Well-Known Member

    Joined:
    Feb 3, 2011
    Messages:
    956
    Likes Received:
    1
    This was my most energetic failure yet. At the MWP 8 drag race I flew my "Dangler" (Means someone who is really good at hockey, this flight was dedicated to my hockey team) on a wicked fast K-850 brass blue motor made by Darin Raymond. The mach delay was set a little too short and I popped my drouge shortly after burn out. It was alright though, only 2 out of 5 survived the race.

    Manny

    Picture1.jpg

    DSC00638.JPG

    Picture2.jpg
     
  8. May 27, 2011 #8

    bill2654

    bill2654

    bill2654

    Well-Known Member

    Joined:
    Sep 2, 2010
    Messages:
    2,458
    Likes Received:
    3
    Here is what happends when your ignitor isn't inserted all the way up to your delay. Kodak Easy Share 093.jpg

    Last flight of Junk Shot 007.jpg
     
  9. May 27, 2011 #9

    SMR

    SMR

    SMR

    Entropy Demonstrator

    Joined:
    May 15, 2009
    Messages:
    2,024
    Likes Received:
    28
    Oh, where do I start? Let's see... the first picture is the end result of the cato of one G80-4T single use motor in a 3 motor cluster. Blew the side of the rocket open and started it on fire. All fins remained attached, and the other two motors were fine, so it had a stable flight and normal, albeit low, apogee deployment. The rocket recovered in flames, close to the pad, under a full canopy.

    The second thru fourth pictures are the result of a delay element o-ring not sealing. Basically, 10% or so of the thrust went out the forward closure like a little blowtorch, opened the rocket early, blew out the laundry, and burned thru the shock cord. The rocket survived and flew again the next day.

    IMG_0697_3.jpg

    IMG_0629-cropped_2.jpg

    IMG_0667_3.jpg

    IMG_0677_3.jpg
     
    Last edited: May 27, 2011
  10. May 27, 2011 #10

    rstaff3

    rstaff3

    rstaff3

    Oddroc-eteer

    Joined:
    Jan 18, 2009
    Messages:
    11,716
    Likes Received:
    7
    In honor of my only non-ejection event on a 29/40-120 motor. A G71 IIRC. I reckon I forgot to back fill the press-on cap with dog barf to make sure the powder stayed near the ejection port (?)

    This rocket's BT was window tint tube (similar to Quantum tube). The nose cone was toast, the small fins on the ring shredded off at impact, and about 1/2" of the tube needed to be trimmed off. A new nose cone section was fabbed and it is flying again.

    sod_farm_07_12_2008 012small.jpg
     
  11. May 27, 2011 #11

    UPscaler

    UPscaler

    UPscaler

    Well-Known Member

    Joined:
    Nov 25, 2009
    Messages:
    4,143
    Likes Received:
    34
    hey, awesome gallery!

    coresample.jpg
     
  12. May 27, 2011 #12

    gpoehlein

    gpoehlein

    gpoehlein

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    3,554
    Likes Received:
    8
    Well, here's mine. The first pic is both my full size Phoenix (a paper rocket of my own design, and a really good flyer) along with a mini version I was experimenting with. The second pic is the result of not wrapping the chute tight enough and having it hang in the tube causing a blowout.

    phoenix3.JPG

    crash.jpg
     
  13. May 27, 2011 #13

    JAL3

    JAL3

    JAL3

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    13,204
    Likes Received:
    14
    Those look great. Do you have the plans available?
     
  14. May 27, 2011 #14

    robbdm

    robbdm

    robbdm

    Rocketry Tourist

    Joined:
    Dec 14, 2010
    Messages:
    994
    Likes Received:
    20
    Gender:
    Male
    Location:
    Northern California, USA
    What happens when nose cone is too tight. This G-Force was repaired and flew again, crashed several more times and was repaired several more times.

    G force lawn dart.jpg
     
  15. May 27, 2011 #15

    Lentamental

    Lentamental

    Lentamental

    Well-Known Member

    Joined:
    Jul 27, 2009
    Messages:
    359
    Likes Received:
    1
    Not my own failure, but I got a sweet photo.
    It seems like the delay was about 5-6 seconds too long. The rocket lawn-darted, ramming the BT over the nose cone. Hard. This is the Arizona desert we are talking about. That stuff is like pavement. Then, a second or so later, the ejection charge went off, but the nosecone was stuck, so it blew the BT to pieces. I suppose its better the charge went off before people got there though...

    IMGP7932.jpg

    IMGP7934.jpg

    IMGP7935.jpg
     
  16. May 27, 2011 #16

    New Ocean

    New Ocean

    New Ocean

    Well-Known Member

    Joined:
    Nov 19, 2009
    Messages:
    855
    Likes Received:
    0
    Phantom 4000. Loved that kit, many good flights on F101, G55, and clusters. A few 5x D12 flights, to date still my most complex clusters. This last flight was on a G55, and the nosecone was too tight. Should have continued to sand it. Ballistic from 500 feet, nosecone stuck about 2 feet down into sod. Looked like one of those cartoon cannons that got plugged and blew up in daffy duck's face.

    Phantom4k_close.jpg

    Phantom4k_side.jpg
     
    Last edited: May 27, 2011
  17. May 27, 2011 #17

    Balsa Bob

    Balsa Bob

    Balsa Bob

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    706
    Likes Received:
    2
    My Art Applewhite "Stars and Stripes" treated shabbily by an Estes E9-P.
    The saucer is barely visible at base of smoke plume.

    Stars and Stripes liftoff - ADJUSTED.jpg
     
    Last edited: May 27, 2011
  18. May 27, 2011 #18

    adrian

    adrian

    adrian

    Well-Known Member

    Joined:
    Jan 19, 2009
    Messages:
    2,379
    Likes Received:
    12
    Scratch-built Feuerlilie F25 failing to launch with an Estes B6-4.

    The rocket survived and has flown safely since. :)

    704f25_cato_klein.jpg
     
  19. May 27, 2011 #19

    peter_stanley

    peter_stanley

    peter_stanley

    Well-Known Member

    Joined:
    Apr 12, 2009
    Messages:
    221
    Likes Received:
    0
    Last edited: May 27, 2011
  20. May 27, 2011 #20

    Micromeister

    Micromeister

    Micromeister

    Micro Craftman/ClusterNut TRF Supporter TRF Lifetime Supporter

    Joined:
    Jan 19, 2009
    Messages:
    15,074
    Likes Received:
    22
    Gender:
    Male
    Location:
    Washington DC
    Ahhh KEWL! I've had a couple of those...LOL!
    Here are 5 early offerings; 3 Catos...1 prang and a Bernoulli Lock..before I found out what that was!
    Cato's were the only D13 cato I suffered, a C6 & a much later D12 very cold weather boomer.

    Putting an B8-5 in an interceptor was just a bonehead move on my part..last flight of the day and last motor in the box LOL...live and learn.

    Interceptor-b8-sm_results of B8-5 Prang Flt_06-10-72.jpg

    SST Shuttle-b3b-sm_2 pic & C6-3 Cato_04-23-72.jpg
     
    Last edited: May 27, 2011
  21. May 30, 2011 #21

    DJDeadParrot

    DJDeadParrot

    DJDeadParrot

    Well-Known Member

    Joined:
    Sep 6, 2009
    Messages:
    708
    Likes Received:
    1
    THOY Wasp was flown on what the package said was an F40-7, but turned out to be more like a F40-13 or so. It kicked the payload section out on the way down [and thank goodness, too, as it was carrying an RRC2X along for the ride], and the lower section took a core sample.

    wasp_after.jpg
     
  22. May 30, 2011 #22

    qquake2k

    qquake2k

    qquake2k

    Captain Low-N-Slow

    Joined:
    Jan 26, 2010
    Messages:
    13,560
    Likes Received:
    19
    My 9ft long Halfway There, fortunately my one and only lawn dart. It was on an F40 reload. Never did figure out what happened, it just never separated. There was black powder residue in the top of the motor tube, so I know the charge went off. I think there was just too much volume to pressurize.



    carnage2.jpg

    carnage3.jpg

    carnage4.jpg

    carnage6.jpg
     
  23. May 30, 2011 #23

    hcmbanjo

    hcmbanjo

    hcmbanjo

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    2,197
    Likes Received:
    32
    Roger Smith (Jonrocket.com) is our section's "go-to" man for great launch pictures.
    He caught my MARTIAN PATROL CATO on an old Quest C6-3.
    It fireballed through the middle and blistered the paint a bit.
    In the picture, the saucers are still hanging on.
    No real damage, it's flown a few times since.

    Enlarge the picture and you can see the engine falling underneath the rocket.
    As much as we searched, the casing wasn't found.

    Martian Patrol C6-3 CATO_WEB.jpg
     
  24. May 30, 2011 #24

    JAL3

    JAL3

    JAL3

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    13,204
    Likes Received:
    14
    Do you have the plans and part list for the Martian Patrol? I have a Lunar Patrol and might like to clone the martians to go with it...assuming I ever get to build anything again.
     
  25. May 30, 2011 #25

    gpoehlein

    gpoehlein

    gpoehlein

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    3,554
    Likes Received:
    8
    It's tough to clone because of those two foam saucers. Keep an eye on Ebay - They come up ever so often and don't usually bid up too high.

    The plans are available on YORS:

    http://www.oldrocketplans.com/mpc/mpcR-844/mpcR-844.htm
     
    Last edited: May 30, 2011
  26. May 30, 2011 #26

    cjl

    cjl

    cjl

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    12,505
    Likes Received:
    2
    So apparently, a 5 inch Performance Rocketry nose cone fails at around mach 2.2...

    (Pics and video to come)
     
  27. May 30, 2011 #27

    hcmbanjo

    hcmbanjo

    hcmbanjo

    Well-Known Member

    Joined:
    Jan 18, 2009
    Messages:
    2,197
    Likes Received:
    32
    Hi John,
    I don't know if the two were compatable. The foam saucers have little plastic pieces that slip over the dowel like extensions on the outside edges of the fins.
    Thanks Greg for the plans link.

    That fireball C6-3 was the first time I flew it.
    Later, it flew twice at the NEFAR launch. I stuck a B6-2 into it and asked a few to watch the three pieces for me. I didn't know how far away the saucers would fly.
    It probably got 150 feet in the air, the saucers flapping along the side as it went up. The parachute ejected and the saucers released.
    One saucer fell in a flat position, "sort of hovered". The other saucer flipped end over end. I was laughing anyway.
    I loaded up a C6-3 to try and redeem myslf, at least for a better altitude.
    It was higher, but the same recovery on the two saucers.

    They do sell on EBAY here and there. One guy is selling a kit for a by-it-now price of $99.95! Good luck! He's relisted it for six months now.
     
  28. May 30, 2011 #28

    Fishhead

    Fishhead

    Fishhead

    Well-Known Member

    Joined:
    Jan 20, 2009
    Messages:
    3,171
    Likes Received:
    1
    This was an Estes Mean Machine that I converted to a Centuri ThunderRoc. I put an E mount in it, and launched it on an E9-4 for the first flight. Unfortunately the E9-4 turned out to be more like an E9-1. The whole crowd watching the launch went "OOOOHHH!" at the same time. (Kind of like every male in the movie theater did when Lou Gossett, Jr. kicked Richard Gere in the pills in "Officer and a Gentleman".) I complained to Estes, and they told me that the Mean Machine wasn't supposed to fly on E9's. They sent me a new coupler to help with my rebuild.:y::confused2:

    17 inch zipper in Thunder Roc.jpg
     
    Last edited: May 31, 2011
  29. May 30, 2011 #29

    mannyskid

    mannyskid

    mannyskid

    Well-Known Member

    Joined:
    Feb 3, 2011
    Messages:
    956
    Likes Received:
    1
    I saw your post on RP about that, I was hoping to see pics and video. Too bad, you'll get 'em next time. Although, I can imagine an N5800 Cstar shred was pretty spectacular!

    Manny
    EDIT: Did you happen to be using a Raven or other Featherweight altimeter? If you were, could you either post or send me the file? I'm trying to put together files for the MWP 5800 drag race. Thanks.
     
    Last edited: May 30, 2011
  30. May 30, 2011 #30

    Peartree

    Peartree

    Peartree

    Cyborg Rocketeer Staff Member Administrator Global Mod

    Joined:
    Jan 6, 2009
    Messages:
    4,272
    Likes Received:
    150
    Location:
    Alliance, Ohio
    When I first was getting into the hobby I built a rocket entirely of parts supplied by the Pepsi corporation (just to see if I could). I thought I needed more nose weight because it was stubby so I added a stack of bottle caps (and a couple lead tire weights).

    View attachment 49705

    It looked nice and the flight started out pretty good on a C6 something...

    View attachment 49706

    Sadly, it wasn't stable enough, was over stable, or a C just wasn't enough to get it going. It made a nice high arc nose first into the edge of the soccer field and nearly every single part unglued from the other.

    View attachment 49707

    I still have the parts in a box somewhere...
     

Share This Page