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Genesis of LMR & HPR.

U.S. Rockets airframe kits and Estes rocket motors.

Please order by email. Ordering and payment details here:

| ORDERING |
| INSATASHIP SHOPPING |






Get your Estes motors and U.S. Rockets airframe kits all in one place. Here.


National Association of Rocketry certified
Model Rocket Motors
Glossary of terms. N is Newtons, a measure of force. There are 4.448 Newtons per pound.
s is seconds of time. " is inches. There are 25.4 millimeters per inch. $ is USA currency.
1/2A represents 1.25 Newton-seconds of power, A 2.5 N-s, B 5 N-s, C 10 N-s, D 20 N-s (maximum).
13mm or 0.49" diameter motors
Product Average Thrust Burn Time Delay Time Length Diameter Pack Count SKU# Retail Price Our Price
1/4A3-3T 2.5 N 0.25 s 3 s 1.75" 0.49" 4 1502 $9.49 $8.06
1/2A3-2T 4.2 N 0.30 s 2 s 1.75" 0.49" 4 1503 $9.49 $8.06
1/2A3-4T 4.2 N 0.30 s 4 s 1.75" 0.49" 4 1503 $9.49 $8.06
A3-4T 4.2 N 0.60 s 4 s 1.75" 0.49" 4 1507 $9.49 $8.06
A10-3T 3.1 N 0.80 s 3 s 1.75" 0.49" 4 1511 $9.49 $8.06
18mm or 0.69" diameter motors
Product Average Thrust Burn Time Delay Time Length Diameter Pack Count SKU# Retail Price Our Price
1/2A6-2 5.8 N 0.16 s 2 s 2.75" 0.69" 3 1593 $9.49 $8.06
A8-0 7.7 N 0.24 s 0 s 2.75" 0.69" 3 1600 $9.49 $8.06
A8-3 7.7 N 0.24 s 3 s 2.75" 0.69" 3 1598 $9.49 $8.06
A8-5 7.7 N 0.24 s 5 s 2.75" 0.69" 3 1599 $9.49 $8.06
B4-2 4.15 N 1.20 s 2 s 2.75" 0.69" 3 1601 $9.79 $8.32
B4-4 4.15 N 1.20 s 4 s 2.75" 0.69" 3 1602 $9.79 $8.32
B6-0 5.8 N 0.84 s 0 s 2.75" 0.69" 3 1608 $9.79 $8.32
B6-2 5.8 N 0.84 s 2 s 2.75" 0.69" 3 1605 $9.79 $8.32
B6-4 5.8 N 0.84 s 4 s 2.75" 0.69" 3 1606 $9.79 $8.32
B6-6 5.8 N 0.84 s 6 s 2.75" 0.69" 3 1607 $9.79 $8.32
C6-0 5.8 N 1.68 s 0 s 2.75" 0.69" 3 1616 $10.79 $9.17
C6-3 5.8 N 1.68 s 3 s 2.75" 0.69" 3 1613 $10.79 $9.17
C6-5 5.8 N 1.68 s 5 s 2.75" 0.69" 3 1614 $10.79 $9.17
C6-7 5.8 N 1.68 s 7 s 2.75" 0.69" 3 1615 $10.79 $9.17
24mm or 0.93" diameter motors
Product Average Thrust Burn Time Delay Time Length Diameter Pack Count SKU# Retail Price Our Price
C11-0 12.5 N 0.80 s 0 s 2.75" 0.93" 3 1621 $10.99 $9.34
C11-3 12.5 N 0.80 s 3 s 2.75" 0.93" 3 1622 $10.99 $9.34
C11-5 12.5 N 0.80 s 5 s 2.75" 0.93" 3 1623 $10.99 $9.34
C11-7 12.5 N 0.80 s 7 s 2.75" 0.93" 3 1624 $10.99 $9.34
D12-0 11.8 N 1.96 s 0 s 2.75" 0.93" 3 1665 $15.99 $13.59
D12-3 11.8 N 1.96 s 3 s 2.75" 0.93" 3 1666 $15.99 $13.59
D12-5 11.8 N 1.96 s 5 s 2.75" 0.93" 3 1667 $15.99 $13.59
D12-7 11.8 N 1.96 s 7 s 2.75" 0.93" 3 1668 $15.99 $13.59
Motor Bulk Packs


Product Recommended U.S. Rockets rocket airframe kits Pack Count SKU# Retail Price Our Price
1/2A3-4T Micro-Interroc, Mach Buster, Stripper 24 1788 $52.99 $44.99
A8-3 Micro-Interroc, Mach Buster, Stripper, Dual 18mm Rear Eject, Micro-Gigantor, Microc, Sonic Sounder, Titan, Micro-Sentra SRB, Long Tall Sally 24 1781 $65.99 $55.99
B6-4 Micro-Interroc, Mach Buster, Stripper, Dual 18mm Rear Eject, Micro-Gigantor, Microc, Sonic Sounder, Titan, Micro-Sentra SRB, Long Tall Sally 24 1783 $66.99 $56.99
C6-5 Micro-Interroc, Mach Buster, Stripper, Dual 18mm Rear Eject, Micro-Gigantor, Microc, Sonic Sounder, Titan, Micro-Sentra SRB, Long Tall Sally 24 1789 $77.99 $65.99
B6-0
B6-6
Record Breaker, Miniroc 2c, MR 2B, or a combo of Warp-7, Mini-Slipper EZ, High Altitude Research Device, Sonic Payloader, or, 3 Stage Direct and Piston Launched Microc 12
12
1784 $73.99 $62.99
A8-3
B6-4
C6-3
C6-5
Micro-Interroc, Mach Buster, Stripper, Dual 18mm Rear Eject, Micro-Gigantor, Microc, Sonic Sounder, Titan, Micro-Sentra SRB, Long Tall Sally C6-3: F Dart 6
6
6
6
1672 $64.99
$83.00 value!
$54.99
Motor Accessories
Product Pack Count SKU# Retail Price Our Price
Igniters 6 302301 $4.99 $4.24
Recovery Wadding 75 302274 $4.99 $4.24
Launch System 1 2238+302220 $39.99 $33.99
1/8" x 36" Launch Rod 1 302243 $4.49 $3.81
3/16" x 36" Launch Rod 1 302244 $7.99 $6.79
1/4" x 48" Launch Rod 1 0014 $14.99 $12.74
Usage: a family flying a model rocket, a radio geek modifying, and too many rockets!


How do rockets and motors work?






Motor thrust curves.




How high will she go?




What do the numbers mean?





Comprehensive Estes Motor Specifications (20kb pdf)

Motor packages include the motors, igniters, and plugs to install the igniter easily with. Bulk packages also include recovery wadding. Be sure to always have a spare pack of model rocket recovery wadding since it is specially made to prevent ground fires and also be biodegradable. It's not just toilet paper. It's toilet paper impregnated with fire retardant chemical borax protecting your launch site, parachute, and your rocket.

We sell Estes brand motors with a minimum $40 order and a flat $8 shipping charge by ground anywhere in the continental United States. Kits alone have a minimum $8 flat shipping charge. You may place an order by email.

As with all U.S. Rockets kits, any length motor may be used due to the use of an ingenious method of motor installation. A paper tape or masking tape thrust ring is wrapped on the nozzle end of the motor and once in place, the motor is held in place by a band of tape over the thrust ring and motor mount tube end. Fly big, fly high, fly fast, but above all, please fly safely.

| SAFETY CODES |


U.S. Rockets rocket kits
requires assembly and can be painted and reflown.





U.S. Rockets Weightlofter and Banshee rocket kits ready for flight!


U.S. Rockets Miniroc 1.2 single stage and MR 2B two stage rocket kits.
The Miniroc 1.2 has a 29mm host mount for E-H motors and the included
24mm conversion accepts C-G motors. The MR 2B has fixed 18mm mounts
for a variety of standard 18mm motor combinations such as A8-0/A8-5,
B6-0/B6-6 or C6-0/C6-7. Don't forget a piston booster using PLMSPK.

U.S. Rockets Kits
| Visual Presentation Of Kits |
| Retail Packaged Accessories |
ROCKET KIT SKILL MOTORS DIA. LEN. WT. DRAG CP (") SKU# PRICE
MACH BUSTER 1 18mm 0.75" 9.5" 15 g 0.55e na 1121 15.95
STRIPPER 1 18mm 0.75" 15" 20 g. 0.55e na 1123 17.95
RECORD BREAKER 1 18mm/18mm 0.75" 18" 25 g 0.55e na 1124 19.95
ROCKET KIT SKILL MOTORS DIA. LEN. WT. DRAG CP (") SKU# PRICE
MICROC 1 24mm/18mm 1" 15" 27 g. 0.361 11.7 1089 17.95
SCOUT 1 24mm/18mm 1" 15" 27 g. 0.40e na 1171 18.95
SCOUT PLUS 1 24mm/18mm 1" 20" 37 g. 0.45e na 1172 19.95
SONIC SOUNDER 1 24mm 1" 21" 47g 0.480 na 1021 22.95
SUPERSONIC 1 24mm/18mm 1" 15" 30 g 0.38 na 1145 18.95
MICRO-GIGANTOR 3 24mm/18mm 1" 21" 85 g 0.55e na 1182 26.95
MR 2B 2 18mm/18mm 1"/1" 23"/20" 60g/40g g. 0.653/0.361 na 1179 26.95
MINIROC 2 2 24mm/24mm 1" 18" 37 g. 0.653/.361 13.91/11.7 1024 19.95
3 STAGE DIRECT 2 18/18/18mm 1" 33" 140 g 0.75/0.65/0.55e na 1031 29.95
PISTON LAUNCHED MICROC
PLM Spare Parts Kit 24mm
PLM Spare Parts Kit 18mm
PLM Spare Parts Kit 13mm
1 24mm/18mm

4 pistons
4 pistons
4 pistons
1"

1"
0.75"
0.54"
15"

12"
12"
6"
20 g

piston
piston
piston
0.361

launch
launch
launch
11.7"

everything!
everything!
everything!
1183

1183a
1183b
1183c
26.95

19.95
19.95
14.95
MINIROC 2C 2 18mm/18mm 1" 18" 43 g 0.653/0.361 na 1024c 19.95
DUAL 18mm REAR EJECT 2 2 x 18mm 1" 27" 80 g 0.55e na 1267 24.95
TANDEM GOODNESS 2 18mm/18mm 1" 32" 140 g 0.65/0.45e na 1266 29.95
ROCKET KIT SKILL MOTORS DIA. LEN. WT. DRAG CP (") SKU# PRICE
MICRO-INTERROC 2 29mm/24mm/18mm/
3x13mm
1.22" 21" 85 g 0.65e na 1180 26.95
MICRO-SENTRA SRB 3 29mm/24mm
2x18mm
1.22" 27" 181 g 0.75e na 1181 39.95
TITAN 3 29mm/24mm/18mm 1.22" 49" 120 g 0.75e na 1184 29.95
SCREAMER 1 29mm/24mm 1.22" 22" 80 g 0.327 na 1023 26.95
MINIROC 1.2 1 29mm/24mm 1.22" 21" 40 g 0.361 na 1139 19.95
FIRE & FORGET 1 29mm/24mm 1.22" 27.5" 90 g. 0.673 22.5 1127 21.95
TOMAHAWK 1.2 1 29mm/24mm 1.22" 21" 40 g 0.380 na 1140 21.95
ARCON 1.2 1 29mm/24mm 1.22" 21" 40 g 0.40 na 1141 21.95
LONG TALL SALLY 2 29mm/24mm 1.22" 37" 80 g 0.55 na 1144 24.95
SNIPER 2 29mm/24mm 1.22" 25" 60 g 0.45 na 1143 19.95
ROCKET KIT SKILL MOTORS DIA. LEN. WT. DRAG CP (") SKU# PRICE
STAR 1 29mm/24mm 2.25" 40.5" 167 g. 0.45e na 1173 35.95
MOSQUITO 2.2 1 29mm/24mm 2.25" 17.5" 107 g. 0.35e na 1174 29.95
STUB 2.2 1 24mm 2.25" 15" 120 g 0.35e na 1146 29.95
START 1 24mm 2.25" 24" 137 g. 0.327 15.34 1027 29.95
ALL WEATHER 1 24mm 2.25" 26" 137 g. 0.385 16.71 1013 29.95
AERO-ROC 2 29mm/24mm 2.25" 35" 240 g. 0.42 23.94 1003 35.95
BANSHEE 2 29mm/24mm 2.25" 42" 240 g. 0.485 28.03 1059 35.95
AERO-ROC 3 3 3x24mm 2.25" 44" 290 g. 0.47 31.1 1005 37.95
INTERROC 2 3x24mm
/29mm/54mm
2.25" 44" 259 g. 0.515 32.24 1012 39.95
WEIGHTLOFTER 3 29 & 6-24mm 2.25" 35" 290 g. 0.99 26.41 1019 39.95
HI-TEST 2225 3 3-24/3-24mm 2.25" 57" 423 g. 0.587/.507 43.56/36.67 1002 49.95
PISTON STAGER 4 Booster:
54mm Host-tm
29mm or 3-24mm
Sustainer:
24mm
2.25" 74" 400 g. 0.65/.45 57.69/20.84 1014 59.95
F WITH
MULTIPLE D PODS
3 29mm/24mm
4x24mm
2.25" 47" 1000g g. 0.75 na 1188 69.95
WARP-7 2 7x18mm 2.25" 32.5" 180 g 0.45e na 1197 46.95
MINI-SLIPPER EZ 2 7x18mm 2.25" 42.5" 140 g 0.45e na 1192 44.95
V-2 2.25 2 24mm 2.25" 20.5" 250 g 0.25 na 1202 69.95
ROCKET KIT SKILL MOTORS DIA. LEN. WT. DRAG CP (") SKU# PRICE
STREAKER 2 54mm 2.7" 37" 700 g 0.50e na 1311 69.95
9 CLUSTER C1 2 29mm and
8x18mm
2.7" 37" 220 g 0.55e na 1213 59.95
WARP-4 3 4 x 24mm 2.7" 46" 350 g. 0.380 33.84 1163 69.95
WARP-10 1 66mm
No Interchange
Mounts-tm
included
2.7" 46" 350 g. 0.380 33.84 1206 69.95
U.S. Rockets Parts Assortments
PRODUCT PARTS COUNT SKU# PRICE
U.S. Rockets TARC Parts Assortment 52 TARC PARTS $49.95
U.S. Rockets Parts Assortment 88 PARTS ASST $79.95
Larger Kit Shipping Rates
ALL ORDERS ARE AUTOMATICALLY CHARGED $8 FLAT. IF ORDERING ONLY KITS AND THEY INCLUDE LARGER KITS BELOW THIS LINE THEN A $4 ADD-ON IS REQUIRED. . . 4 $4.00
Larger U.S. Rockets Kits
ROCKET KIT SKILL MOTORS DIA. LEN. WT. DRAG CP (") SKU# PRICE
SONIC STILETTO 2 54mm/29mm 3.16" 43" 900 g 0.50e na 1309 89.95
SONIC 3100 2 54mm/29mm 3.16" 58" 600 g 0.50 45.3 1072 99.95
SONIC 3100 PHASE 2 4 54mm/54mm 3.16" 72/58" 1000/600 g 0.60/0.50 54.4/45.3 1073 129.95
PILLAR OF FIRE 2 7x24mm 3.16" 41" 1360 g 0.60e na 1189 119.95
SLIPPER 2 7x24mm 3.16" 75" 1812 g 0.60e na 1186 129.95
SWARM C6-7 2 12 x 18mm 3.16" 42" 815 g 0.55e na 1153 89.95
HI-TEST 3100 4 4x29mm/4x29mm 3.16" 90/78" 1359/1133 g 0.83/0.645 74.84/56.62 1074 109.95
U.S. Rockets offers Interchange Mounts-tm to fit 13mm in 18mm, 18mm in 24mm, 24mm in 29mm and 3 x 13mm in 29mm, 3 x 18mm in 38mm, 3 x 24mm in 54mm, and others. Many kits include Interchange Mounts-tm which can be used in any other rocket as well.

13mm typically includes motor powers from 1/4A to A, including 1/4A, 1/2A and A, with each one involving a doubling of power from the prior.

18mm diameter motors includes 1/2A, A, B and C.

24mm includes C, D and E in Black Powder propellant motors such as Estes and can include D, E, F and G using over 2x as powerful Ammonium Perchlorate Composite Propellant (APCP) such as some from U.S. Rockets.

There are also larger diameters of motors that require a free FAA waiver to fly including 29mm E-J, 38mm H-K and 54mm H-M. A midrange power H motor is the maximum FAA exempt power. Since each letter represents a doubling of power, an F is 8x the power of a B and an I is 64x the power of a B motor. A motor with D power has 2x the propellant weight of BP vs. APCP but the power is the same.

Within a certain power, different motors can have different burning times, to make the flight faster or slower. Different weight rockets need different coasting delay times to have the recovery system deploy near apogee when the flight is slowest and the stresses are lowest.

A wide variety of U.S. Rockets kits are directly compatible with Estes motors.

| U.S. ROCKETS ROCKET KITS |

Try these U.S. Rockets kits for an easy and enjoyable experience:

Single stage single motor:
| Screamer | Miniroc 1.2 | Fire & Forget |
| Tomahawk 1.2 | Sonic Sounder | Scout |

Two or three stage single motor:
| Miniroc 2 | 3 Stage Direct | MR 2B |

Single stage 2 or 3 motor:
| Micro Interroc | Dual 18mm Rear Eject | Sonic Payloader |
| Hi-Test 1680 | Micro-Sentra SRB | Aero-Roc 3 |

Complex clustering and staging:
| Slipper | F with Multiple D Pods |
| High Altitude Research Device | Hi-Test 2225 |
| Mini-Slipper EZ | Swarm Jr. |
| Piston Stager | Berlinetta |


| SAFETY CODES |


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