HP-J425R
L2AeroTech · J-class · 38mm · Redline · Single use
Sold out at all 9 tracked vendors
Requires NAR/Tripoli L2 certification.
- Impulse class
- J
- Diameter
- 38 mm
- Total impulse
- 680 N·s
- Avg thrust
- 418 N
- Burn time
- 1.6 s
- Burn character
- Standard burn
- Specific impulse
- 191 s
- Propellant
- Redline
- Delays
- 6,8,10,12,14 (adjustable)
- Case / type
- Single use
- Common name
- J425
- 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
- HP-J425R453 N · 1.6 s
- 700J400-16A482 N · 1.8 s
- J396-SF543 N · 1.6 s
- 649J335-15A410 N · 2.0 s
Availability by vendor
J425R-14A · 14s adj
- Balsa Machining Serviceout of stock$92.69view
- BuyRocketMotors.comout of stock$97.84view
- Moto-Joe Rocketryout of stock$103.00view
- Sirius Rocketryout of stock$121.49view
- AeroTech (direct)special order$134.99view
- Animal Motor Worksspecial order$134.99view
- Chris' Rocket Suppliesout of stock$134.99view
- Performance Hobbiesout of stock$134.99view
- Wildman Rocketryout of stocklast in stock 28d ago$134.99view
Availability history
80%buyable somewhere over the last 116 days
Out everywhere · last buyable 23d ago · price ranged $92.69–$134.99
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.