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Aeronautica

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30mm Aden Revolver Cannon off a Hawker Hunter Jet Aircraft. **1998 UK DEACTIVATION CERTIFICATED** & Signed Prototype Hawker Hunter photograph by Bill Bedford (Chief Hawker Siddeley Test Pilot 1956 - 1967). Sn - 21795
The British 30mm Aden revolver cannon was developed from the WW2 German Mauser MK 213 aircraft revolver cannon. This gun was originally made in 20mm and 30mm calibre and was developed by Mauser but never became operational. This gun was developed from an earlier design, the MG 213A which utilized a gas-driven operation. The MG 213, had a direct movement of the revolver cassette which was changed to a diagonal cam with a follower. This actuated a rammer that both fed cartridges into the cylinders and revolved the cassette. Sealing of the chamber was accomplished by packing the cylinder and breech with heat resistant steel. This allowed chamber to revolve while the gas pressure was very high. The revolver cassette had five chambers and at least 3 chambers contained rounds whilst in operation, feeding, firing, and extracting. The gun was looked at for development after WW2 by Switzerland, France, Britain, and the America. The British ADEN cannon was developed eight years later, while the US M39E cannon, first designated T-160, was rushed into combat evaluation during the Korean War. The British developed the cannon in a 20mm high velocity version and a 30mm low velocity short case, the 30 x 84B. Both of these rounds had the same overall length so both cartridges could use the same gun with different chambers and barrels. The 20mm round was dropped from the weapon trials and two 30mm rounds were then used in the trials. One had a 86mm cartridge case which was called the 30mm LV (Low Velocity) Aden and the other with a 110mm cartridge case called the 30mm HV (High Velocity) Aden. Both rounds had the same overall length, the difference being the projectile weight and size, the HV having a lower explosive content. At the outcome of the trials, the 30mm HV gun was adopted and was fitted to the RAFs Hawker Hunter jet fighter. This is a 30mm HV Aden revolver cannon in excellent condition and was originally fitted to a Hawker Hunter aircraft. The gun was one of 4 guns that was fitted to a removable belly pack on that aircraft. This cannon was also fitted in the Harrier VTOL aircraft. The 30mm Aden gun was last used in trials as a 25mm cannon in the late 1990s but was never adopted. The cannon is in excellent condition and is complete with its alloy blast tube, a spare alloy magazine feeder and other fittings. The cannon is bolted to a custom wheeled steel tubular trolly to move the cannon around and display it. Also included is a framed, signed Hawker Hunter prototype photograph by Bill Bedford (the Chief Hawker Siddeley Test Pilot 1956-1967) dated December 1966 measuring approximately 14 x 11 inches. Deactivated in 1998, the cannon is complete with 3 inert rounds in their disintegrating steel links. The price includes the 1998 deactivation certificate and UK delivery which is by arrangement and at cost. Sn 21795
£6,750.00

*Scarce* Handmade WWII Air Observer Corps (A.O.C) Aircraft Recognition/Training Aid German ‘Dornier Do 24’ Flying Plane. 21722. - 21722
This is a very rare model/silhouette of a German Dornier Do 24 Flying Plane (the Dornier Do 24 is a 1930s German three-engine flying boat designed by the Dornier Flugzeugwerke for maritime patrol and search and rescue. A total of 279 were built among several factories from 1937 to 1945. It was an all-metal parasol monoplane with a broad-beamed hull and stabilising sponsons. Twin tails were mounted on the upswept rear of the hull, while three wing-mounted tractor configuration engines powered the aircraft. Fuel was carried in tanks in the sponsons and the wing centre section. Up to 1,200 kg (2,600 lb) of bombs could be carried under the aircraft's wings, while defensive armament consisted of three gun turrets, one each in nose, dorsal and tail positions. In early aircraft the turrets were each fitted with a machine gun but later aircraft carried a 20 mm cannon in the dorsal turret. The Do 24 was one of the few German Luftwaffe aircraft that featured a tail turret. used by the Air Observer Corps during WWII as a training aid/detection tool to train and inform members of the A.O.C. in identifying and reporting aircraft during the defence of Britain from 1925 (The Royal Observer Corps (ROC) was a civil defence organisation intended for the visual detection, identification, tracking and reporting of aircraft over Great Britain. It operated in the United Kingdom between 29 October 1925 and 31 December 1995, when the Corps' civilian volunteers were stood down (ROC headquarters staff at RAF Bentley Priory stood down on 31 March 1996). Composed mainly of civilian spare-time volunteers, ROC personnel wore a Royal Air Force (RAF) style uniform and latterly came under the administrative control of RAF Strike Command and the operational control of the Home Office. Civilian volunteers were trained and administered by a small cadre of professional full-time officers under the command of the Commandant Royal Observer Corps; latterly a serving RAF Air Commodore). Measuring; 37 ½ cm (wingspan) 30 cm in length and 7 cm in height. Made from a very lightweight softwood and painted matt black the model/silhouette shows very intricate detail *2 prop caps missing to the front of the engine bodies and a tail upright is missing- see images*. The price includes UK delivery. 21722. (Johns office)
£295.00

*Scarce* Handmade WWII Air Observer Corps (A.O.C) Aircraft Recognition/Training Aid ‘Supermarine Otter Flying Boat’. 21724. - 21724
This is a very rare model/silhouette of a ‘Supermarine Otter Flying Boat’ (the Supermarine Sea Otter was an amphibious aircraft designed and built by the British aircraft manufacturer Supermarine. It was the final biplane flying boat to be designed by the company, and the last biplane to enter service with both the Royal Navy and the Royal Air Force) used by the Air Observer Corps during WWII as a training aid/detection tool to train and inform members of the A.O.C. in identifying and reporting aircraft during the defence of Britain from 1925 (The Royal Observer Corps (ROC) was a civil defence organisation intended for the visual detection, identification, tracking and reporting of aircraft over Great Britain. It operated in the United Kingdom between 29 October 1925 and 31 December 1995, when the Corps' civilian volunteers were stood down (ROC headquarters staff at RAF Bentley Priory stood down on 31 March 1996). Composed mainly of civilian spare-time volunteers, ROC personnel wore a Royal Air Force (RAF) style uniform and latterly came under the administrative control of RAF Strike Command and the operational control of the Home Office. Civilian volunteers were trained and administered by a small cadre of professional full-time officers under the command of the Commandant Royal Observer Corps; latterly a serving RAF Air Commodore). Measuring; 19 ½ cm (wingspan) 16 cm in length and 5 ½ cm in height. Made from a very lightweight softwood and painted matt black the model/silhouette shows very intricate detail and is undamaged *paint missing to the front of the engine body*. The price includes UK delivery. 21724. (Johns office)
£265.00

*Scarce* Handmade WWII Air Observer Corps (A.O.C) Aircraft Recognition/Training Aid ‘Supermarine Walrus Flying Boat’. 21723. - 21723
This is a very rare model/silhouette of a ‘Supermarine Walrus Flying Boat’ (The Supermarine Walrus (or the Supermarine Seagull V, its original name) was a British single-engine amphibious biplane designed by Supermarine's R. J. Mitchell at their works at Woolston, Southampton. Primarily used as a maritime patrol aircraft, it was the first British squadron-service aircraft to incorporate an undercarriage that was fully retractable, crew accommodation that was enclosed, and a fuselage completely made of metal) used by the Air Observer Corps during WWII as a training aid/detection tool to train and inform members of the A.O.C. in identifying and reporting aircraft during the defence of Britain from 1925 (The Royal Observer Corps (ROC) was a civil defence organisation intended for the visual detection, identification, tracking and reporting of aircraft over Great Britain. It operated in the United Kingdom between 29 October 1925 and 31 December 1995, when the Corps' civilian volunteers were stood down (ROC headquarters staff at RAF Bentley Priory stood down on 31 March 1996). Composed mainly of civilian spare-time volunteers, ROC personnel wore a Royal Air Force (RAF) style uniform and latterly came under the administrative control of RAF Strike Command and the operational control of the Home Office. Civilian volunteers were trained and administered by a small cadre of professional full-time officers under the command of the Commandant Royal Observer Corps; latterly a serving RAF Air Commodore). Measuring; 20 cm (wingspan) 17 cm in length and 6cm in height. Made from a very lightweight softwood and painted matt black the model/silhouette shows very intricate detail and is undamaged. The price includes UK delivery. 21723. (Johns office)
£245.00

Cold War 1970 Dated R.A.F ‘Bone Dome’ MK 1A Helmet with Visor and Dust Bag. 21449:7. - 21449:7
RAF Pilots flying helmet MK1A -Issued in the 1950’s, this was the first helmet produced for the RAF with a fixed (moveable) visor. It was issued to all front line pilots. This is a classic early ‘bone dome’ (nickname given to the flying helmet).It would have been used by all RAF Pilots flying V Bomber’s and English Electric Lightning’s to name but a few of the RAF world leading air craft ofthe time. This particular helmet is in wonderful original condition, and retains its original serial detailing, size 3 regular- Serial No; 92923and is dated 1970. As seen from the images the helmet, visor and inner webbing are in remarkable condition. It comes in its original dust/carry case. The price includes UK delivery. 21449:7.
£350.00

C1980’s R.A.F. Aircrew ‘Bone Dome’ Helmet Mk 4A with ‘Halo’ Visor and Microphone. 21449:6. - 21449:6.
Introduced during the early 1980s, the Mk 4 series is still used in 2018. This helmet is fitted with a Silec boom microphone which is used in the RAF exclusively by Chinook crew. The internal badge states; By Helmets Ltd. Stores reference 22c/1303989. Size medium/Broad The MK.4A flying helmet provided a high level of protection against impact shock, blast and noise, compatibility with a wide range of oxygen masks and ancillary equipment within a wide variety of aircraft whilst providing maximum comfort to the wearer. The shell is of single piece rigid construction moulded from hand laminated satin weave glass fibre impregnated with polyester resin. On the inside of the shell a shock absorbing, closed cell, expanded polystyrene moulding is fitted. The lining incorporates an adjustable webbing suspension harness, communications headset and soft foam backed leather padding. The helmet is fitted with a two-part nylon webbing chin strap and two injection moulded polycarbonate visors, the outer tinted for protection against glare. The 'inner' clear blast visor is fitted with an adjustable lock. The shell has the original white paint finish and is in very good condition. Internally the helmet is also good. It retains excellent gel filled ear capsules and avionics. Fitted with a short pigtail loom, NATO plug and oxygen mask hook nuts. Both visors are excellent. The avionics have not been tested . The price includes UK delivery 21449:6.
£450.00
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