HPR Motor Finder
API

K400C

L2

AeroTech · K-class · 54mm · Classic · Single use

In stock at 4 of 9 vendors, from $173.69

Requires NAR/Tripoli L2 certification.

Impulse class
K
Diameter
54 mm
Total impulse
1304 N·s
Avg thrust
409 N
Burn time
3.2 s
Burn character
Long burn
Specific impulse
270 s
Propellant
Classic
Delays
6,8,10,12,14 (adjustable)
Case / type
Single use
Common name
K400

View thrust curve on ThrustCurve.org →

Thrust curve

548 N3.3 s

Availability by vendor

K400C-14A · 14s adj
  • Balsa Machining Service
    2 in stock
    best$173.69
    view
  • Sirius Rocketry
    in stock
    best$173.69
    view
  • BuyRocketMotors.com
    in stock
    $183.34
    view
  • Animal Motor Works
    10 in stock
    $192.99
    above its lowview
  • AeroTech (direct)
    special order· ~40–44 weeks
    $192.99
    view
  • Chris' Rocket Supplies
    out of stock
    $192.99
    view
  • Performance Hobbies
    out of stock
    $192.99
    view
  • Wildman Rocketry
    out of stock
    $192.99
    view
  • Moto-Joe Rocketry
    out of stock
    $193.00
    view

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

$183.34$164.04May 30now

Cheapest in-stock price across vendors, per motor. Now $173.69 · low $164.04.

Similar motors