M Class Rocket Motor

AeroTech M1845NT

AeroTech
Blue Thunder
Ø 98mm
Total Impulse
8307.0Ns
Burn Time
4.43s
Avg Thrust
1875.0N
Max Thrust
3081.0N

Thrust Profile (N)

4.43s Burn Window

Engineered by AeroTech, the M1845NT is a 98mm solid rocket motor designed for extreme high-power rocketry. As an official M-class motor, it delivers a total impulse of 8307.0 Ns over a 4.43 second burn window.

With an average thrust of 1875.0 N and a peak of 3081.0 N, it features a regressive thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Blue Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 98 mm
Length 597 mm
Hardware RMS-98/7680
Delays (s) P
Specific Impulse 224.5 s
Peak Thrust 2433.83 N
Peak Time T+ 1.354s
T/W Ratio 28.6
Propellant Blue Thunder
Profile regressive
Type reload
Sparky No

Mass Budget

6682g Total
Casing (Dry)
2910.0g
43.5%
Propellant
3772.0g
56.5%
Live Sizing
Flight Envelope

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Comparable M-Class Alternatives

5342M1560-P

Cesaroni

M
dual-peak
Total: 5342 Ns
Ø 98mm

M1075DM

AeroTech

M
neutral
Total: 5571 Ns
Ø 98mm

M2700-BS

Contrail

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dual-peak
Total: 6034 Ns
Ø 98mm

M2800-BG

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neutral
Total: 6060 Ns
Ø 98mm

M845H

AeroTech

M
regressive
Total: 6159 Ns
Ø 98mm

3500CCRGMFX-M1015FX

Hypertek

M
regressive
Total: 6334 Ns
Ø 98mm
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