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  1. #15871
    Join Date
    3rd August 2011
    Location
    Reed City, Michigan
    Posts
    2,409
    Looks cool Rex, check stability? Kinda looks like it would be unstable.

    I sanded some fins, recoated with TB. Was sanding on a BT, but the sandpaper was wore out.
    So had to peal off all the old sandpaper and clean the melamine board I use for a flat surface.
    Then added a new strips of 2.5" in 120 & 180 to one side, and 2, 6" 220 disks to the other.
    Should be good for another 3 years or so.
    Gotta love that 3M gold sandpaper.


  2. #15872
    Join Date
    23rd May 2013
    Location
    DFW Metro
    Posts
    1,686
    Finally got a paint window, weather wise. Finished the Sahara paint, now only have to drill a small set screw for the nosecone. I built this kit with the upper section as a payload bay, so now I have a 29mm payloader. Got the red coat applied to the Airborne Surveillance Missile yesterday, should shoot black this evening. Started construction on a Hi-Flier XL, building to use RMS 24/40 and 24/60 motors. Today I'll get the coupler converted to a baffle, and order a nice nylon chute for it. I plan this bird to be a frequent flier with the Astron Sprint XL.

    On the Bench: NARTREK Gold, Hi-Flier XL
    WANTED: Estes Kits: Space Shuttle #1284, Jupiter C #1976, Saturn 1B #1229 or #2048
    Electronics: Jolly Logic Altimeter Three, Jolly Logic Chute Release
    NAR #96147 NARTREK SILVER
    Dallas Area Rocket Society Member - Section #308

  3. #15873
    Join Date
    17th November 2015
    Posts
    661
    So I had a little time to myself yesterday. Do I sand the CWF off this body tube? Or do I honor my resolution and spend some quality time on my bike on the stationary trainer? Bike...or rocket....or....bike....or...WAIT A SECOND! Why not both?
    Click image for larger version. 

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    (Note: This was not a sweating suffer-fest on the bike, in which case I wouldn't be able to multitask like this. The bike has been awaiting setup for months. This was just a "spend some time spinning and getting back into it" ride.

  4. #15874
    Join Date
    26th July 2009
    Location
    Huntersville, NC
    Posts
    588
    Read from page 450- 492 of this thread.
    Earth: The Insane Asylum of the Universe, nowhere else could things be this screwed up.
    I prefer rockets with 4 fins.
    Tripoli# 14243
    Level 1

  5. #15875
    Join Date
    21st April 2010
    Location
    So central WI, USA
    Posts
    4,974
    some of hints 1) this is only one phase of the project, 2) I certainly hope it is unstable, 3) there is a scarlet fish in one of the pictures.
    Rex
    L2-competitor 3, AT J350W, 8/27/2016, Bong, 2557'
    my youtube channel http://www.youtube.com/channel/UC0gB...?feature=watch

  6. #15876
    Join Date
    22nd February 2013
    Location
    Garland, TX
    Posts
    2,891
    Quote Originally Posted by Rex R View Post
    some of hints 1) this is only one phase of the project, 2) I certainly hope it is unstable, 3) there is a scarlet fish in one of the pictures.
    Rex
    Gap staged Conjoined Twin Bertha?
    So much of my rocket building time has been diverted toward my "other hobby": Race Timing

  7. #15877
    Join Date
    21st April 2010
    Location
    So central WI, USA
    Posts
    4,974
    ding, ding, we have a winner! what you see is the booster section, the sustainer will be a mostly stock big bertha(which will be a 1st for me ). OR says it ought to stage @ 40' max alt. 500' on a pair of B6's ATM the working name is Bbig bertha.
    Rex
    nose cone is from the sustainer.
    L2-competitor 3, AT J350W, 8/27/2016, Bong, 2557'
    my youtube channel http://www.youtube.com/channel/UC0gB...?feature=watch

  8. #15878
    Join Date
    3rd August 2011
    Location
    Reed City, Michigan
    Posts
    2,409
    I don't understand the Scarlet Fish???
    I did see a dirty ash try in the pic though.

  9. #15879
    Join Date
    21st April 2010
    Location
    So central WI, USA
    Posts
    4,974
    the nose cone is a 'red herring' - a distraction to throw people off the 'scent' of the truth. to mislead folks into thinking that this the complete rocket, when it is only part of the whole .(guessing that you didn't read many murder mysteries ).
    Rex
    L2-competitor 3, AT J350W, 8/27/2016, Bong, 2557'
    my youtube channel http://www.youtube.com/channel/UC0gB...?feature=watch

  10. #15880
    Join Date
    14th April 2015
    Location
    Enumclaw, WA
    Posts
    1,197
    Recovered the nose cone and parachute for my daughter's mini Bandit. Just needs a shock cord and it'll be good as new.
    Ryan Winslow
    Level 1 5/28/16 3" kitbash Patriot H128W
    Level 2 in progress.... Polecat 4" BBIII

  11. #15881
    Join Date
    22nd February 2013
    Location
    Garland, TX
    Posts
    2,891
    Quote Originally Posted by Rex R View Post
    ding, ding, we have a winner! what you see is the booster section, the sustainer will be a mostly stock big bertha(which will be a 1st for me ). OR says it ought to stage @ 40' max alt. 500' on a pair of B6's ATM the working name is Bbig bertha.
    Rex
    nose cone is from the sustainer.
    The vent holes in the extended motor tube gave it away. Are you also going to have some vent holes in the booster outer body as well to avoid premature separation?
    So much of my rocket building time has been diverted toward my "other hobby": Race Timing

  12. #15882
    Join Date
    23rd March 2011
    Location
    Goodyear, AZ
    Posts
    2,597
    Finished my LOC Viper III.


    First flight will be on three D12-5's.


    It came in 3.6 oz. overweight with a cold air baffle, kevlar shock cord and a 24" Top Flight chute. I used a bit of JB weld to hold a short piece of 6-32 all thread in the gap between motor mount tubes, with a washer and wing nut for motor retention. No internal thrust rings, so I added 1/4" masking tape to the D12's.


    NAR 92675 L-3 TRA 14800 KG7IUN
    I may be getting older, but I refuse to grow up.

  13. #15883
    Join Date
    22nd February 2013
    Location
    Garland, TX
    Posts
    2,891
    Quote Originally Posted by Wayco View Post
    Finished my LOC Viper III.


    First flight will be on three D12-5's.


    It came in 3.6 oz. overweight with a cold air baffle, kevlar shock cord and a 24" Top Flight chute. I used a bit of JB weld to hold a short piece of 6-32 all thread in the gap between motor mount tubes, with a washer and wing nut for motor retention. No internal thrust rings, so I added 1/4" masking tape to the D12's.


    Real nice. Are those the LOC vinyl decals?
    So much of my rocket building time has been diverted toward my "other hobby": Race Timing

  14. #15884
    Join Date
    23rd March 2011
    Location
    Goodyear, AZ
    Posts
    2,597
    Quote Originally Posted by Cl(VII) View Post
    Real nice. Are those the LOC vinyl decals?
    Yes. I'm not really impressed by the color/resolution, but love the design. Might add a coat of clear later.
    NAR 92675 L-3 TRA 14800 KG7IUN
    I may be getting older, but I refuse to grow up.

  15. #15885
    Join Date
    18th March 2009
    Location
    Wisconsin
    Posts
    2,571
    I expanded the tool collection. Ordered a Wen 4214 drill press. 12" swing, larger bench top. Actually want a bench top as I am going to build a table on wheels so I can move it around as I see fit.
    Mark Koelsch
    Tripoli 6155 L2
    Owner of http://www.rocketryfiles.com/
    Editor of http://www.thrustcurve.org/
    Keeper of the motor files
    Former Moderator of Rocketry Planet -R.I.P.

  16. #15886
    Join Date
    21st April 2010
    Location
    So central WI, USA
    Posts
    4,974
    I'm to vent the interstage via holes in the centering rings, that should partially depressurize the gap once it gets moving. using an engine hook per stage for 'plug and go' staging...should be an interesting 1st flight.
    Rex
    L2-competitor 3, AT J350W, 8/27/2016, Bong, 2557'
    my youtube channel http://www.youtube.com/channel/UC0gB...?feature=watch

  17. #15887
    Join Date
    26th July 2009
    Location
    Huntersville, NC
    Posts
    588
    Read from pages 492-522 of this thread, still finding cool stuff.
    Earth: The Insane Asylum of the Universe, nowhere else could things be this screwed up.
    I prefer rockets with 4 fins.
    Tripoli# 14243
    Level 1

  18. #15888
    Join Date
    26th July 2009
    Location
    Huntersville, NC
    Posts
    588
    Well, I just can't go to sleep tonight so I went on and finished reading this thread to the end, 15,887 posts, fun stuff.
    Earth: The Insane Asylum of the Universe, nowhere else could things be this screwed up.
    I prefer rockets with 4 fins.
    Tripoli# 14243
    Level 1

  19. #15889
    Join Date
    18th October 2016
    Posts
    63
    Congrats hobie1dog! That's an awesome feat.

    Today for me: fillets on the 29MD build. Proline 4500 sure is pretty for fillets. I sure wish I had a data sheet on it so I knew more than "it's great."

  20. #15890
    Join Date
    26th June 2016
    Location
    Mobile, AL, USA
    Posts
    596

    What did you do rocket wise today?

    Stickered 😡 and decaled my Hi-Flier, Yankee, and Lynx.
    Click image for larger version. 

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    The peel-and-stick are horrible, but the water-slide decals for the Lynx were almost worse! I've done a fair amount of plastic modeling over the years and I've never seen decals made as poorly as these were. Typically, only the specific marking on the decal sheets are registered to slide off the backing paper they're printed on. This entire sheet was one large decal! Needless to say, I've got a bit of trimming to do once it's dried more. 😡

    I also got primer sprayed on my Big Daddy.
    Click image for larger version. 

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    I'm going to depart from my norm of finishing rockets per the face card and make this one look like an artillery round. 😉
    NAR # 37682

    All the weird kids are doing it!

    If at first you don't succeed... You're about average.

  21. #15891
    Join Date
    17th June 2011
    Location
    The fertile fields of Malta, IL
    Posts
    2,752
    Got the motor mount installed in the 5" Jart. Fins next!
    Adrian Butler
    jd2cylman@mchsi (dot) com
    NAR 73787 L3
    Tripoli 13524 L3
    QCRS, Princeton, IL
    Chicago Rocket Mafia "The Mechanic"

    Buckle up back there, we're going into "Hyperactive!"

  22. #15892
    Join Date
    25th July 2015
    Location
    NW Ohio
    Posts
    978
    First set of external fillets on the LOC Expediter.
    NAR# 100470
    L1- 10/18/15 LOC IV CTI H163
    L2- 4/16/16 Madcow PAC-3 CTI J285

  23. #15893
    Join Date
    26th July 2009
    Location
    Huntersville, NC
    Posts
    588
    organized rocket photos in my Photobucket account
    Earth: The Insane Asylum of the Universe, nowhere else could things be this screwed up.
    I prefer rockets with 4 fins.
    Tripoli# 14243
    Level 1

  24. #15894
    Join Date
    22nd February 2013
    Location
    Garland, TX
    Posts
    2,891
    Did the inevitable, and joined Tripoli too. Felt like the right thing to do.
    So much of my rocket building time has been diverted toward my "other hobby": Race Timing

  25. #15895
    Join Date
    23rd July 2011
    Location
    Butte, MT
    Posts
    861
    Quote Originally Posted by Cl(VII) View Post
    Did the inevitable, and joined Tripoli too. Felt like the right thing to do.
    Good for you! Welcome to Tripoli!
    Steve Shannon
    L3CC, TAP, Director, Tripoli Rocketry Association

  26. #15896
    Join Date
    26th July 2009
    Location
    Huntersville, NC
    Posts
    588
    Really bothers me about Tripoli, having to pay so much money each year, and not even getting a monthly magazine, and have to go through the recertification process if you lapse in your membership.
    Earth: The Insane Asylum of the Universe, nowhere else could things be this screwed up.
    I prefer rockets with 4 fins.
    Tripoli# 14243
    Level 1

  27. #15897
    Join Date
    22nd February 2013
    Location
    Garland, TX
    Posts
    2,891
    I am one of the people who has really taken advantage of the Tripoli rules change allowing NAR people to attend launches, so it only felt right that I kick into the coffers a bit. Besides, I have a bunch of decertified motors to burn, and the easiest way is at a Tripoli research launch, one of which I will be attending tomorrow. Also, as a chemist it is basically inevitable that I end up making my own motors, and I must admit the itch to try is getting stronger...after the L3 project is complete I think I may start mixing.
    So much of my rocket building time has been diverted toward my "other hobby": Race Timing

  28. #15898
    Join Date
    9th October 2013
    Location
    San Jose, CA
    Posts
    496
    Quote Originally Posted by hobie1dog View Post
    Really bothers me about Tripoli, having to pay so much money each year, and not even getting a monthly magazine, and have to go through the recertification process if you lapse in your membership.
    Bi-monthly for NAR, to be fair. Tripoli is getting better with their online communications, there's a (bi-?)monthly newsletter being emailed now, that's something at least. As a member of both, I do think your $$ goes a bit farther with NAR, the other thing I really prefer with NAR is the 3-year membership option, it only saves a few bucks but it's so much less hassle to not have to renew every year (and fewer membership cards to print/send/receive, etc). I keep considering the lifetime membership option also, the cost feels high but I'm sure I'll end up spending that much in membership renewals (not planning on dropping out any time soon), so I really should just bite the bullet and save in the long-term. I won't comment on the re-cert, I can see pros and cons to each approach.
    Will Ferry (Launches & Videos) NAR #96512 (L2) / TRA #15328 (L2) / LUNAR #2759
    L1: 9/2013 @ XPRS, GLR T-Bolt "Thunderbolt" (R.I.P.), H148R
    L2: 4/2016 @ TCC Helm, Binder Design Excel w/DD "dd2.xls", J315R
    Impulse flown (flights): 2013: 767Ns (2), 2014: 4298Ns (8), 2015: 7486Ns (16), 2016: 11695Ns (18)

  29. #15899
    Join Date
    23rd July 2011
    Location
    Butte, MT
    Posts
    861
    Quote Originally Posted by hobie1dog View Post
    Really bothers me about Tripoli, having to pay so much money each year, and not even getting a monthly magazine, and have to go through the recertification process if you lapse in your membership.
    NAR and TRA each have something unique to offer. I belong to both. The Sport Rocketry magazine is a nice benefit of NAR membership. The TRA insurance and ability to safely learn to make rocket motors are nice TRA benefits.
    I've never understood the concern people have about redoing a certification. If a person did it once, it should be easy to certify again. If it's not easy to certify again then maybe that person shouldn't be certified.
    Steve Shannon
    L3CC, TAP, Director, Tripoli Rocketry Association

  30. #15900
    Join Date
    26th July 2009
    Location
    Huntersville, NC
    Posts
    588
    Quote Originally Posted by Steve Shannon View Post
    NAR and TRA each have something unique to offer. I belong to both. The Sport Rocketry magazine is a nice benefit of NAR membership. The TRA insurance and ability to safely learn to make rocket motors are nice TRA benefits.
    I've never understood the concern people have about redoing a certification. If a person did it once, it should be easy to certify again. If it's not easy to certify again then maybe that person shouldn't be certified.
    If you live on disability income like I do, then having to spend more money on something you already did, just to satisfy the regulating board of an organization is hardship.
    I realize that most people in this hobby have lots of discretionary income, just look at the proof on here. I think 70.00 per year membership is too much too IMHO

    Earth: The Insane Asylum of the Universe, nowhere else could things be this screwed up.
    I prefer rockets with 4 fins.
    Tripoli# 14243
    Level 1

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