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Estes Industries B4 | Ronald Hatcher - Rocketry Engineering Blog

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B4

Estes Industries B4

B

full

B4

5

N·s total

4

N avg thrust

13

N peak

1.03 s

burn time

Thrust vs time

Performance

Total impulse: 5 N·s
Average thrust: 4 N
Peak thrust: 13 N
Burn time: 1.03 s
Impulse class: B · full

Physical

Diameter: 18 mm
Length: 70 mm
Mount fit: 18 mm MMT
Total weight: 18.9 g
Propellant weight: 6.0 g

Configuration

Delays: 2,4,6
Manufacturer: Estes Industries
Type: SU
Propellant: black powder
Availability: regular

All specifications

Basic Information

Manufacturer	Estes Industries
Common Name	B4
Impulse Class	B
Availability	regular
Designation	B4

Performance

Total Impulse	5.0Ns
Burn Time	1.03s
Average Thrust	4.2N
Maximum Thrust	12.8N

Physical Properties

Diameter	18.0mm
Length	70.0mm
Case
Propellant Weight	6.0g
Total Weight	18.9g

Additional

Delay Options	2,4,6
Propellant	black powder
Sparky Motor	No
Motor Type	SU

Motor data sourced from ThrustCurve.org — the motor database for rocketry