Spitfire Mk V - The Undercarriage
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- Опубликовано: 30 июл 2024
- Take a close-up look at the Spitfire Mk V’s Undercarriage System, covering the Undercarriage Control Unit, Emergency Lowering System, Hydraulic System, Wheels and Brakes and much more. We shall refer to the 1942 Air Ministry Manual for the Spitfire Mk V and show relevant re-worked colour AP diagrams.
Textual extracts from Air Ministry Air Publications are Crown Copyright and transcribed with the kind permission of the National Archives, London. All colour diagrams are based on original Air Ministry Air Publications mono illustrations and transcribed into colour by Bryan Atkinson with the permission of the National Archives, London.
Thanks must also be given to the following superb organisations for their kind support when Bryan Atkinson originally developed The Spitfire Mk V Explored PC CD-ROM back in 2005, all are listed below and are included once again in this series of videos.
Spitfire Mk.Vb, AB910. The Battle of Britain Memorial Flight.
Spitfire Mk.Vb, BL614. Royal Air Force Museum, London.
Spitfire Mk.Vb, BM597. The Historic Aircraft Collection.
Spitfire Mk.Vb, EP120. The Fighter Collection.
Spitfire Mk.Vc, AR501. The Shuttleworth Collection.
The Imperial War Museum, Duxford.
The Rolls-Royce Heritage Trust.
The National Archives, London.
The material contained in this video is intended for historical, reference and entertainment value only, and is not to be construed as usable for aircraft or component restoration, maintenance, or use.
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Table of Contents:
00:00 - Introduction
00:37 - Wartime Undercarriage System Overview
01:47 - The Hydraulic System
02:50 - Spitfire Hydraulic Reservoir
03:16 - Spitfire Hydraulic Pump
04:28 - The Spitfire Undercarriage Units
04:34 - Vickers Oleo Pneumatic Strut
04:45 - Dunlop, Spitfire AH 2061 Wheel
04:58 - The Undercarriage Locking Pin
06:35 - Spitfire Undercarriage Control Unit
08:15 - How to Raise the Undercarriage
08:31 - How to Lower the Undercarriage
08:50 - Emergency Undercarriage Lowering System
10:16 - Undercarriage Mechanical Indicator
11:20 - The Electrical Visual Indicator
12:38 - Undercarriage Warning Horn
13:35 - Dunlop Wheel Brakes
14:38 - The Spitfire Tail Wheel
Another great informative video. As there was no pressure gauge on the emergency blow down bottle, it would be removed and weighed to ensure it still held its gas. On the undercarriage leg the rod that runs from the value at the top around to the gland at the bottom prevents the gland being undone until the pressure is released in the Oleo. What looks like bolts into the body of the Oleo are studs that protrude into the oleo and run in a spline, this keeps the oleo aligned fore and aft. The yellow mark across the tyre and wheel is known as a creep mark, and is a quick visual aid when checking the types, to ensure they have not moved around the wheel on a heavy landing, This could damage the inner tube under the tyre , and possibly damage the inflation valve.
Thanks for the feedback, I'm please you enjoyed it.
I'm as in awe of your knowlege as i am thankful that you are doing this! Love it! Really love it!
Thank you so much!
Liked and subbed immediately!!! Sorry but I'm already on my third video here. You are amazing with your direct, straightforward explanations. I could watch this all day. Looks like I might.
Welcome aboard! Thanks for watching and subscribing!
Very nice indeed!
Thank you Jose, glad you liked it.
Your videos are incredibly good! Flying the Spit is on my bucket list.
Thanks, I'm really pleased you liked it. Yes, would be an incredible experience to be above the clouds sitting behind a Merlin!
Another great presentation with incredible detail about the workings of the Spitfire. I am amazed at the superb graphics you provide and your well presented explanation of how everything works. Thank you very much for the wealth of detail you show in each video.
Thanks for watching and your great feedback - much appreciated.
I teach aircraft tech as part of my job. This is a very high quality presentation. Do you have a technical background?
Thank you for your feedback. I have a lifelong interest in British aviation and in particular, aircraft design. I published two aviation books many years ago and back in 2004 released the first in a series of five unique PC software titles starting with the Lancaster Explored, and followed on with the Spitfire Mk.V, Hurricane, Mosquito and Halifax. Each was of the equivalent to a thousand page book and offered very in-depth coverage of each aircraft. I was immersed in the research and development of these titles for over ten years and have a fascination for how these great aircraft were designed, and how each separate system or item of equipment was incorporated into the complete aircraft. These videos are hard work, but I really enjoy creating new in-depth content that I hope will help to illustrate the incredible work that went into the designs of famous British aircraft. Thanks for watching and I’m posting a video covering the Spitfire Mk.V’s Electrical Installations next week.
😮❤❤❤❤awesome
Thank you Baz
Another excellent and most enjoyable video. Can I ask please; when the undercarriage is either fully up or down, and the engine is running, does the hydraulic pump continue to pump fluid through the raise/lower quadrant and the filter back to the reservoir on a continuous loop, or is the pump stopped? Apologies if I have missed something you said about this.
The operation of the Undercarriage Control Unit is illustrated in diagram Fig 3 shown in the video. When the Undercarriage lever is in the gate either at the UP or DOWN end of the U/C quadrant, hydraulic oil from the engine-driven pump enters the control at the "pressure inlet" and passes straight through the "exhaust outlet" back to the reservoir - forming a circuit. In this condition, the system is idling and it is always ready should the pilot operate the Undercarriage lever. The hydraulic pump is engine-driven using the Merlin's camshaft and as such is always working during flight. Thanks for watching.
@@ukaircraftexplored6556 Thanks - that makes sense. I wonder if the u/c quadrant gets hot during the course of a flight....
Thanks you can find everything the internet
I watched this so i could build it in a game
fank you
You're welcome