Spijker V.2

Spijker V.2
Paese	Paesi Bassi
Ruolo	Velivoli da addestramento a doppio controllo
Prima mosca	Marzo 1917
Costruito	78

Le Spijker V.2, a volte anglicizzato in Spyker V.2 o Spyker-Trompenburg V.2, era un biplano a bassa potenza con sedile in tandem progettato e costruito per il governo olandese per l'addestramento dei piloti verso la fine della prima guerra mondiale. Ne furono costruiti più di settanta.

fonte: Spijker V.2 su Wikipedia

Spijker Trompenburg V.2 Walk Around
Fotografi	Meindert de Vreeze
Localizzazione	Inconsapevole
Foto	23

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A Neutral Nation’s Necessity

Le Spijker V.2 was a primary trainer biplane designed and built by the Dutch car and aircraft manufacturer Trompenburg (Spijker) during World War I. Because the Netherlands remained neutral, it became increasingly difficult to source training aircraft from combatant nations like France or Britain. The V.2 was a response to this shortage—a simple, rugged, and stable aircraft that allowed the Dutch Aviation Group (LVA) to train their own pilots at Soesterberg.

Attribute	Technical Specification (Spijker V.2)
Ruolo	Primary Trainer / School Aircraft
Equipaggio	2 (Student and Instructor in tandem)
First Flight	Marzo 1917
Motopropulsore	1 × Thulin (Le Rhône) rotary engine
Horsepower	80 hp (60 kW)
Velocità massima	138 km/h (86 mph)
Apertura alare	10.75 meters (35 ft 3 in)
Construction	Wood with fabric covering

Simple Design for New Pilots

The Rotary Engine: The V.2 utilized an 80 hp Thulin engine, a Swedish-built copy of the famous French Le Rhône rotary. In these engines, the entire cylinder block spins with the propeller, which provided good cooling but created a strong gyroscopic effect that students had to learn to manage.
Staggered Wings: The biplane featured a “staggered” wing design where the upper wing was positioned slightly forward of the lower wing. This improved the pilot’s visibility and improved the aircraft’s stall characteristics.
Rugged Undercarriage: Designed for the rough grass fields of Soesterberg, the landing gear was a simple but strong V-strut arrangement with a common axle, capable of withstanding the frequent “heavy” landings of novice pilots.
Dual Controls: As a dedicated trainer, it was one of the first Dutch designs to feature fully synchronized dual controls in both the front and rear cockpits, allowing the instructor to take over instantly.

The End of a Rare Breed

Mass Production (for the time): Approximately 78 units were built, a significant number for the fledgling Dutch aviation industry of 1917–1920.
The “Fokker” Transition: Despite its success, the Spijker V.2 was eventually phased out in the early 1920s as Anthony Fokker moved his operations to the Netherlands, bringing with him more advanced designs like the Fokker S.II.
Automotive Connection: The aircraft was built by the same company that produced the luxury Spyker cars. The craftsmanship of the wooden airframes reflected the high standards of their automotive division.
The Lone Survivor: Today, only one original Spijker V.2 remains in the world. It is one of the “crown jewels” of the National Military Museum (NMM) at Soesterberg, standing as a testament to the birth of Dutch military aviation.