J340M
L2sparkyAeroTech · J-class · 38mm · Metalstorm · RMS-38/720
Sold out at all 9 tracked vendors
Requires NAR/Tripoli L2 certification.
- Impulse class
- J
- Diameter
- 38 mm
- Total impulse
- 652 N·s
- Avg thrust
- 354 N
- Burn time
- 1.8 s
- Burn character
- Standard burn
- Specific impulse
- 182 s
- Propellant
- Metalstorm
- Delays
- 6,8,10,12,14
- Case / type
- RMS-38/720
- Common name
- J340
- 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 — vs. in-stock substitutes
- J340M607 N · 2.2 s
- J396-SF543 N · 1.6 s
- J435WS695 N · 1.8 s
- HP-J425R453 N · 1.6 s
Availability by vendor
J340M-14A · 14s adj
Availability history
85%buyable somewhere over the last 71 days
Out everywhere · last buyable 11d ago · price ranged $93.95–$107.99
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.