United Kingdom Aerospace and Weapons Projects

Rocket Engines

011103 L = length, S = span, W = weight, R = range, Ø = diameter

Name

Description

Remarks

Particulars

Alpha

Armstrong Siddeley rocket engine.

HTP (High Test Peroxide) / Kerosene. Armstrong Siddeley's first rocket. Intended for JATO.

N/A

Beta I

Armstrong Siddeley twin chamber rocket engine.

HTP / C fuel (57% methanol, 30% hydrazine hydrate and 13% water). Used to boost VTOL aircraft test model. First UK rocket with gas generator powered turbopump.

N/A

Beta II

Armstrong Siddeley twin chamber rocket engine.

HTP / C fuel (57% methanol, 30% hydrazine hydrate and 13% water). Larger Beta I, to be used in supersonic aircraft.

N/A

BS.605

Bristol Siddeley rocket rated at 8000lb.

Kerosene / HTP fuelled. Two fitted to Blackburn Buccaneer S.50 of SAAF. Based on the smaller chamber of the Stentor.

Rated at 8000lb (35.6KN).

Delta

Armstrong Siddeley rocket engine.

HTP / Kerosene. Family of research engines developed by RPR and ASM. Intended for a ballistic missile. Superseded by R-R RZ-2.

N/A

Double Scorpion

Napier rocket engine to provide increased performance on Canberra.

HTP / Kerosene. World altitude record (70310ft) set by English Electric Canberra fitted with Double Scorpion on 28/8/57. Fitted to two Canberras.

Rated at 8000lb (35.6KN).

E.237

Napier Turborocket

Submission to the NGTE specification TE 10/56

NA

FPS.146

Rolls-Royce turbo-rocket.

Future Project Study. Proposed for the HSA APD 1019/E6 as an alternative to the BS.1012 combination engines on APD 1019/E2. Cancelled.

N/A

Gamma

RPE rocket engine

HTP / Kerosene fuelled

N/A

Gamma 201

Bristol Siddeley rocket engine for Black Knight.

HTP / Kerosene fuelled four chamber engine based on RPE developed Gamma

Rated at 4 - 6000lb (17.8 - 26.7KN).

Gamma 301

Bristol Siddeley rocket engine for Black Knight.

HTP / Kerosene fuelled four chamber engine using Stentor small chamber components. Later used on Black Arrow.

Rated at 4 - 6000lb (17.8 - 26.7KN).

KP.1

Liquid fuelled rocket engine.

Early rocket engine for guided weapons. Kerosene and Peroxide fuelled. Used on RTV.2

N/A

KP.3

Liquid fuelled rocket engine.

Early rocket engine for guided weapons. Kerosene and Peroxide fuelled with a liquid cooled combustion chamber. Used on GPV

N/A

KP.4

Liquid fuelled rocket engine.

Early rocket engine for guided weapons. Kerosene and Peroxide fuelled with a ceramic lined combustion chamber. Used on GPV.

N/A

Lizzie

First liquid fuelled engine in UK.

Rocket engine developed by RPE. Used in LOP/GAP with Liquid Oxygen and petrol. RTV1 fuelled with Liquid Oxygen and methanol/water.

Rated at 2000lb (8.9KN).

NK.1

Liquid fuelled rocket engine for Sea Slug.

Used red fuming Nitric acid and Kerosene fuel. Replaced by Foxhound.

N/A

NRE.11

Napier rocket engine

Liquid fuelled rocket engine for guided weapons.

N/A

NRE.17

Napier rocket engine

HTP and Kerosene rocket for missile applications. Uncooled chamber and nozzle.

Rated at 2000lb (8.9KN).

NRE.19

Napier rocket engine for helicopter rotor tip applications

HTP / catalyst rocket engine. Tested on a Saro Skeeter

N/A

P170

Armstrong Siddeley Turborocket study.

Submission to the NGTE specification TE 10/56

NA

PP.27

Rolls-Royce Turborocket study.

Submission to the NGTE specification TE 10/56. PP.27 may have been the Brochure title.

NA

PR.23

Bristol Siddeley rocket engine.

Very small, vernier manoeuvring engine. HTP and Kerosene.

Rated at 500lbs (0.3KN).

PR.27

Armstrong Siddeley four chamber rocket engine.

Proposed for the Bristol Siddeley Small Satellite Launcher.

NA

PR.37

Armstrong Siddeley small boost rocket.

Intended for Jindivik.

Rated at 170lb (0.7KN).

PR.38

Armstrong Siddeley small four chamber rocket engine.

Proposed for Black Prince 3rd stage. Cancelled.

Rated at 2 - 3000lbs (8.9 - 13.3KN).

RB9/2

Armstrong Siddeley rocket engine.

Early designation for Blue Steel engine. Possibly led to Stentor.

N/A

RB.545

Rolls-Royce Liquid Air Cycle engine for HOTOL.

Designed to power a single stage to orbit vehicle.

N/A

RZ1

Rolls Royce copy of US Rocketdyne S-3 engine.

Developed into RZ2.

N/A

RZ2

LOX / Kerosene rocket engine for Blue Streak.

Based on RZ1.

Rated at 5 - 150000lb (22.2 - 667.2KN) depending on altitude.

RZ12

RZ2 LOX / Kerosene rocket engine in twin installation for Blue Streak.

Used on Blue Streak.

N/A

RZ20

LOX / LH2 rocket engine for ELDO.

Cancelled, 2 examples built.

N/A

Scorpion (rocket)

Napier rocket engine.

HTP / Kerosene. World altitude record (70310ft) set by English Electric Canberra fitted with Double Scorpion on 28/8/57. Fitted to two Canberras. Also Triple Scorpion.

Rated at 4000lb (17.8KN) Double = 8000lb (35.6KN) Triple = 12000lb (53.4KN).

Snarler

Armstrong Siddeley Rocket engine.

Used liquid Oxygen and methanol/water. Installed on a Hawker P.1072.

Rated at 2000lb (8.9KN).

Spartan

Bristol Siddeley rocket engine.

Storable liquid propellant with hypergolic combustion. For ASM and JATO.

N/A

Spectre

De Havilland later Bristol Siddeley rocket engine.

HTP / Kerosene. Used in early Blue Steel and SR.53. Variants included Dspe.1 is initial version. Dspe.2 is a constant thrust version, simpler design. Dspe.3 is a development of Dspe.1 with variable thrust. Dspe.4 development of .2. Dspe.5 is a further development of Dspe.1.

Rated at 8000lb (35.6KN)

Sprite

De Havilland rocket engine.

HTP / Kerosene. Gas turbines improved so were not required. For assisting take off of Comet and V-bombers.

Rated at 5000lb (22.2KN).

Stentor

Armstrong Siddeley two chamber rocket engine for Blue Steel.

HTP / Kerosene. Large boost chamber smaller cruise / sustainer engine, Entered service.

Large boost chamber rated at 24000lb (106.8KN), smaller cruise / sustainer engine chamber rated at 6000lb (26.7KN).

Super Sprite

De Havilland rocket engine for assisting take off of Comet and V-bombers.

Gas turbines improved, so RATO was not required.

Rated at 4200lb (18.7KN)

TRR/37

Napier rocket engine.

Two to be fitted in underwing pods on the Hawker P.1105 Hunter F.Mk6

N/A

Triple Scorpion

Napier rocket engine.

Three chamber version of Scorpion. Each chamber can be fired individually. HTP / Kerosene.

Rated at 12000lb (53.4KN).