Skip to main content
Service phase: Beta

This is a new way to search our records, which we're still working on. Alternatively you can search our existing catalogue, Discovery.

File

Memo from Mr WF Wright, Hawker, to Mr Saxton, Armstrong Siddeley Motors: Hawker Hunter...

Catalogue reference: PA1716/5/3/151

What’s it about?

This record is a file about the Memo from Mr WF Wright, Hawker, to Mr Saxton, Armstrong Siddeley Motors: Hawker Hunter... dating from 14 January 1953.

Access information is unavailable

Sorry, information for accessing this record is currently unavailable online. Please try again later.

Full description and record details

Reference
PA1716/5/3/151
Title
Memo from Mr WF Wright, Hawker, to Mr Saxton, Armstrong Siddeley Motors: Hawker Hunter aircraft
Date
14 January 1953
Description

Par 3: The performance of the Hunter F.2 with the Sapphire is superior to that of the Hunter F.1 with the Avon installed, climbing time to 45,000 feet is reduced by approximately half, and the calculated forward speed increased by 5 mph, although an improvement of 12 mph has been measured. There are a number of problems which need sorting out: One, being bearing temperature. Two, High jet pipe temperature during climb

Held by
Coventry Archives & Research Centre
Former department reference
AS Sapphire/Hawker
Language
English
Physical description
1 Item
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/73ca017e-da71-4039-8886-14d0e76dcdec/

Catalogue hierarchy

48,138 records

This record is held at Coventry Archives & Research Centre

10,180 records

Within the fonds: PA1716

Rolls-Royce Heritage Trust, Coventry Branch - Records of Armstrong Siddeley, Bristol...

5,246 records

Within the sub-fonds: PA1716/5

Armstrong Siddeley/Bristol Siddeley & Rolls-Royce Gas Turbines

654 records

Within the sub-sub-fonds: PA1716/5/3

Sapphire Engine

You are currently looking at the file: PA1716/5/3/151

Memo from Mr WF Wright, Hawker, to Mr Saxton, Armstrong Siddeley Motors: Hawker Hunter aircraft