HP-G138T
L1AeroTech · G-class · 29mm · Blue Thunder · RMS-29/40-120
In stock at 1 of 9 vendors, from $31.31
Requires NAR/Tripoli L1 certification — a high-power motor (138 N average thrust (over 80 N)), despite its G class.
- Impulse class
- G
- Diameter
- 29 mm
- Total impulse
- 157 N·s
- Avg thrust
- 138 N
- Burn time
- 1.1 s
- Burn character
- Short burn
- Specific impulse
- 229 s
- Propellant
- Blue Thunder
- Delays
- 6,8,10,12,14
- Case / type
- RMS-29/40-120
- Common name
- G138
- Shipping
- Hazmat required
Ships as a hazardous material (>62.5 g propellant), so most carriers add a hazmat fee. Check the vendor's shipping terms.
Thrust curve
Availability by vendor
G138 · 6,8,10,12,14s
- Wildman Rocketryout of stock$35.99view
G138T-14A · 14s adj
- Sirius Rocketryin stock$31.31view
- Moto-Joe Rocketryout of stock$19.99view
- Balsa Machining Serviceout of stock$28.79view
- BuyRocketMotors.comout of stock$30.39view
- Animal Motor Worksspecial orderlast in stock 12d ago$31.99view
- Performance Hobbiesout of stock$31.99view
- Chris' Rocket Suppliesout of stock$35.99view
G138-14T · 14s
- AeroTech (direct)special order· ~16–20 weeks$35.99view
Availability history
100%buyable somewhere over the last 71 days
In stock now · price ranged $28.79–$35.99
Jun 5now
Balsa Machining Service
BuyRocketMotors.com
AeroTech (direct)
Wildman Rocketry
Performance Hobbies
Animal Motor Works
Chris' Rocket Supplies
Moto-Joe Rocketry
Sirius Rocketry
in stockoutbefore tracked· hourly since Jun 5
Price history
Cheapest in-stock price across vendors, per motor. Now $31.31 · low $27.19.