The Rocketry Forum

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  1. R

    SOLD 98mm hardware and 38mm reloads

    Hey folks, I am scaling down a tad, keeping everything except 98mm stuff and two reloads that I won't use. I have: 98mm Loki hardware consisting of: 98mm Nozzle carrier .688 throat graphite nozzle for carrier (for the 2 grain 5kns case) fired 3 times Full diameter graphite nozzle, 1 inch...
  2. Bungie64

    Wanted Dr. Rockets 54/2800 case and closures

    I am looking for a Dr. Rockets 54/2800 case with closures but also interested in any Dr. Rockets or monster motor cases and matching closures.
  3. Mr G

    38/1320 hardware usage

    There is only one Aerotech reload for the for 38/1320 hardware, the J510. Everyone who has reported, praises the motor. But how many J510s do you burn? Or do you use adapters for 38/1080 and 38/720 reloads to expand the usefulness of the hardware? Or did you buy the case just so you had a full...
  4. G38-FJ7


    HV Arcas on a G38-FJ7 fast black jack
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    HV Arcas
  6. HV Arcas

    HV Arcas

    Aerotech’s HV Arcas
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  13. K

    Hobbylinc Sale on 18/20 RMS Aerotech

    For those who want to get an Aerotech 18/20 RMS now is a good time. Hobbylinc has them on sale for $20.39. The D13 is a great motor for small, heavy rockets. Tom
  14. Arfang

    Aerotech SU motors dimensions wanted

    Good day everyone, I'm currently designing parts for two MPR/HPR projects and I'm wondering if anyone could provide me with dimensions for Aerotech SU motors. I understand that a 29x124 motor has a 29 mm casing diameter and a 124 mm overall length, but what about the nozzle diameter and length...
  15. W

    For Sale Large Aerotech Inventory Available Reloads and Hardware

    I have thought about it and now am looking to sell my very large inventory of Aerotech Reloads and Hardware. I am attaching a PDF with the full list of reloads. There are over 180 reloads available from H-N motors. Not looking to sell everything but if someone comes with the asking price of...
  16. Cameron Anderson

    Aerotech M750 nozzle issue

    First time M750 flyer here. There appears to be channel around the nozzle that the liner rests on (on the diagram screenshot you can see the liner does not rest in the groove but rather on it). My nozzle groove is gouged and chipped in several spots. Anyone know the condemnation criteria for...
  17. kevindcornwell

    SOLD AT/Dr. Rocket RMS 75/2560 casing

    75/2560 Aerotech/Dr. Rocket motor casing. Bought used, never used myself. Case only, no closures or FSD. In excellent condition. $75 + shipping and it's yours.
  18. H

    Overstable rocket and how to fix it

    I am thinking about trying dual deploy for the first time and will be buying an aerotech mirage. I will also buying the madcow ebay for this rocket. Now when I sim the rocket in rocsim it says a margin of 7.06 with an I200w. Now how in the heck do I bring that margin down? It seems to me I would...
  19. Oberon

    New Aerotech Igniter Insulation Failure

    Yesterday I flew a 38-360 I245G motor. It came packaged with an igniter a bit different from the other FirstFires I’ve seen. The insulation was a different color, red and yellow, rather than the regular dark yellow. And it was softer and thinner. When I went to launch, I had good continuity...
  20. R&D Cesar

    How to import Cesaroni/AeroTech engines to Brazil?

    Hello, guys, I am braziliam and I have a big problem: I need to know a way to import engines like Cesaroni/AeroTech engines to Brazil. I studied a little about how to do it, but our rules makes us unable to import inflamable products from another country, oh, the other problem is that the...