3 Black Prince III
Luke Atkins edited this page 2026-07-11 00:41:33 +01:00

Black Prince III

Three Stage Launch Vehicle (Concept)

Background

Further development of the Black Prince concept. The first stage can be augmented with 2, 4 or 6 x Stonechat SRB boosters. If SRBs are used the RZ-2S engine is used in the first stage. The second stage uses Blue Streak tanks with a vacuum-optimised RZ-2 engine. The third stage is the Black Anvil Hydrolox stage.

Variants

Variant Boosters
III None
III-2 2 x Stonechat SRB
III-4 4 x Stonechat SRB
III-6 6 x Stonechat SRB

Build Guide

Third Stage

Black Anvil

  • Black Anvil Size 1 Hemisphere Fuel Tank
  • Black Anvil Size 1 Fuel Tank B
  • Black Anvil Size 1 Hemisphere Fuel Tank (upside down)
  • Black Anvil RZ-20 Rocket Engine

Second Stage

  • Black Arrow Size 0.5 Decoupler
  • Black Arrow Size 1.5 Fairing Base
  • Blue Streak Size 1.5 Fuel Tank B (Baloon)
  • EP-18 Engine Plate (Medium-Long)
  • Blue Streak RZ-2V Rocket Engine

First Stage

  • Blue Streak Size 1.5 Fuel Tank C (Baloon)
  • Blue Streak Size 1.5 Fuel Tank C (Reinforced)
    • 2-6x TT-38K Radial Decoupler
    • 2-6x Black Forest "Stonechat" Solid Rocket Booster
  • (No SRBs) Blue Streak Size 1.5 Engine Mount (Variant 2)
    • 2 x Blue Streak RZ-2 Rocket Engine
  • (SRBs) Blue Streak Size 1.5 Engine Mount (Variant 3)
    • 2 x Blue Streak RZ-2S Rocket Engine

Black Prince III