HAZMAT Shipping Update. - Model Rocketry Forums
Oct 11, 2023 · The model rocket motors and reload kits authorized under this special permit DOT-SP 7887 may be shipped in the same outer packaging with non-hazardous materials needed to construct model rockets. Igniters originally classed as Division 1.4G or 1.4S may be shipped with the rocket motors or reload kits.
Long burn motors | Rocketry Forum - Model Rocketry Forums
Jan 26, 2023 · I think those motors [edit: specifically the Aerotech motors that were listed. I know nothing about the other 2 manufacturer's options. /edit] are intended mostly for gliders, but I imagine there are plenty of people who could design a proper rocket for them. I saw an H13 fly this past weekend with an RC glider and it was a VERY long burn. Sandy.
Rocket Motors without Ejection Charges | Rocketry Forum - Model ...
Mar 16, 2017 · Reloadable motors with no DD: drill to suit rocket; Reloadable motors with DD: drill to fire 2 seconds after optimal delay; Reloadable motors with DD with two altimeters: same as above, or remove BP and plug closure; Reloadable motors with DD, but optimal delay is longer than supplied delay: remove BP and plug closure
High Power Rocket Motors - Model Rocketry Forums
Jan 13, 2022 · A rocket flying on a trio of Estes F15 motors exceeds the 125 gram limit and is therefore a high-power rocket. A rocket may also be within the propellant and total impulse limits, and run on a configuration of model rocket motors that do not exceed the 125 gram limit, but exceed the 1500 gram total mass limit for model rockets.
Piotr Tendera's TSP Motors from Poland | Rocketry Forum - Model ...
Jun 2, 2009 · Perhaps; Piotr makes A impulse motors for FAI comp that are quite good. These D/E/F motors would be useful only in S7 Scale models, but many of the best Euro flyers go out of their way to acquire Aerotech motors for that event. Euro motors are intriguing, but above B impulse Estes and Aerotech motors are FAR superior to anything sold in Europe.
Largest G motor for mid power - Model Rocketry Forums
Jun 30, 2022 · I personally quite like the G54RL, the actual record holder for most (single-motor) impulse you can use at the NAR 30ft model rocket standoff distance. The most double-G impulse you can use from 30ft is a pair of G80Ts, though, because of …
Shipping Model rocket motors & the USPS - Rocketry Forum
May 25, 2002 · G. Harry Stine got the Denver Post Master back as early as 1958 to allow shipment of Rock-A-Chute model rocket motors through the mail. During that 50 year span, I would take a SWAG that literally millions of modle rocket motors have been shipped to customer without 1 reported case of an...
Identifying sparky motors - Model Rocketry Forums
Apr 17, 2019 · Since the limitations of Model Rocket Motors do not allow for sparks or titanium particles, sparkies must be sold as High Power Rocket motors. That limits them to certified flyers. NFPA 1127: 5.1 Sales Only to Certified Users. A high power rocket motor or motor reloading kit shall be sold to, shipped to, stored by, and used only by certified users.
Safe, Secure Rocket Engine Storage ideas | Rocketry Forum
Jan 9, 2012 · Sometimes the nozzle deteriation was actually visible, especially on on the AP motors. Both Estes and Aerotech have been generous replacing the motors, but you might as well avoid the hassle. Small quantities of motors (2 or 3 packs, reloads) are stored in the same unairconditioned space. They are stored in an ammo box.
model rocket cluster design - Rocketry Forum
Jul 27, 2013 · ive built a kit before, wasn't very impressed, waste of more IMO, then everything after that was built from scratch. started building from scratch when our technology teacher got us to build one. i've ~ 6 LPRs from scratch and ~4 MPRs from scratch. last time i made a 3 cluster D with the motors in straight and it wasn't very nice, the rocket went a lot more at an angle than …