U.S. ROCKETS
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More power to you!!
Genesis of LMR & HPR.

U.S. Rockets motors logo
13mm RELOADABLE MOTORS
Aluminum reloadable housings. Propellant cartridges
to fit for multiple reuse. Increased labor but lower
cost than expendables. Only endburning grain
geometry type motor loads available.
Casings and Closures
DescriptionItem#Cost
13mm closure set1-13-closure20.00
13mm 1.25 N-s case13-1.25case7.00
13mm 2.5 N-s case13-2.5case8.00
13mm 5 N-s case13-5case9.00
13mm 10 N-s case13-10case11.00
13mm 20 N-s case13-20case14.00
First purchase CLOSURE SET includes nozzle holder end
closure, delay holder end closure, liner ejector dowel, spare
o-rings, instructions. All other parts are separate components
for replacement or special applications. Nozzle closure has
positive seal in two places and recommended nozzle (included
in reload packs) is reuseable at least three times. Bulkhead
closure has positive seal in one place and standard friction fit
delay element. Closure accepts small quantities of ejection
powder in the well and 1/8g is recommended for MR. In particular
the nozzle o-ring can be damaged by installation of nozzles so
bevel the nozzle edge slightly with sandpaper to increase seal
life.


13mm - 0.485 inch - R&R Motor Reloads
Motor TypeThrust
Newtons
Time
Sec
Power
N-s
6-pack Cost
1.25 1/2-A 220.6251.2520.00
2.5 A 221.252.520.00
5 B 222.55.020.00
10 C 22510.020.00
20 D 221020.020.00
Includes propellant, delay, liner, nozzle, instructions. Consumer provides
ejection powder FFF, igniter, rocket, launch pad and excitement! Bulk packs
of 12 each available at 10% discount. Ask your dealer to stock our reloads
and closures which are compatible with all popular casings.
Our closures and loads, their casings.

Motor comparisons

| 24mm R&R Motors | 29mm R&R Motors |


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