J420R
L2AeroTech · J-class · 38mm · Redline · RMS-38/720
In stock at 2 of 9 vendors, from $75.68
Requires NAR/Tripoli L2 certification.
- Impulse class
- J
- Diameter
- 38 mm
- Total impulse
- 658 N·s
- Avg thrust
- 420 N
- Burn time
- 1.6 s
- Burn character
- Standard burn
- Specific impulse
- 194 s
- Propellant
- Redline
- Delays
- 4,6,8,10
- Case / type
- RMS-38/720
- Common name
- J420
Thrust curve
Availability by vendor
J420R-M · 4,6,8,10s
- Wildman Rocketryout of stock$95.99view
J420R-14A · 14s adj
- Sirius Rocketryin stockbest$75.68view
- Chris' Rocket Supplies2 in stock$95.99view
- Balsa Machining Serviceout of stock$86.39view
- BuyRocketMotors.comout of stock$91.19view
- AeroTech (direct)special order· ~16–20 weeks$95.99view
- Animal Motor Worksspecial order$95.99view
- Performance Hobbiesout of stock$95.99view
- Moto-Joe Rocketryout of stock$96.00view
Availability history
100%buyable somewhere over the last 16 days
In stock now
Jun 5now
Balsa Machining Service
AeroTech (direct)
Performance Hobbies
Animal Motor Works
Chris' Rocket Supplies
BuyRocketMotors.com
Moto-Joe Rocketry
Sirius Rocketry
Wildman Rocketry
in stockoutbefore tracked· hourly since Jun 5
Price history
Cheapest in-stock price across vendors, per motor. Now $75.68 — its lowest tracked.