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Blohm and Voss Bv P.198

Single-Seat, Single-Engine Interceptor-Fighter Proposal

Nazi Germany | 1945

"The end of the BMW 018 engine program, coupled with the deteriorating war situation for Germany, ended all hopes for the promising Bv P.198 Interceptor-Fighter."

Authored By: Staff Writer | Last Edited: 06/26/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The advent of the turbojet engine changed the face of aerial warfare from World War 2 (1939-1945) onwards. This new propulsion scheme now allowed aero-engineers near-limitless possibilities in the type of aircraft, and their inherent capabilities, that could be produced for any given over-battlefield role. For the Germans in the Second World War, the crushing might of the relentless Allied day-and-night bombing campaigns, coupled with a healthy emerging stable of fighters such as the Supermarine Spitfire, Republic P-47 Thunderbolt, and North American P-51 Mustang, brought about a new, and desperate, need for counters to better defend German holdings and - ultimately - Germany itself.

Blohm & Voss, known largely for its shipbuilding programs, threw its hat into ring of several Luftwaffe aircraft requirements during the conflict. However, its claim to fame would largely remain its oversized flying boats that the company supplied the service with. The company was eventually recognized for the many forward-thinking aircraft designs that were promoted to German authorities, particularly towards the end of the war when no idea was "off the table".

"Project 198", or Bv "P.198", was one of these wartime offerings, drawn up as a high-altitude, single-seat, jet-powered "interceptor-fighter". The design was originated from a German Air Ministry desire to mate the new, in-development BMW 018 turbojet engine with a capable aerodynamically-refined airframe, producing a solid platform of exceptional performance intended to exceed that of anything the Allies could field. The BMW 018, with its 12-stage, axial-flow arrangement, was set to output up to 7,700lb of thrust. Work on the engine was started in 1940 and, while promising enhanced capabilities and performance (it ended as the most powerful German-originated jet engine of the war), was larger and heavier than the preceding BMW 003 series (which was, by this time, still having its kinks worked out). As the new engine was being evolved along its own lines, the Air Ministry now needed a fighter capable of fielding it.

The P.198, another design from the mind of aeronautical engineer Richard Vogt, promised to fit the bill. It was largely a conventional design form which featured all of the usual features to be expected: the cockpit set over the nose section, mid-set mainplanes, and a cruciform tailplane arrangement. Because of the oversized nature of the turbojet engine, the unit would be embedded within the belly of the fighter, promoting a very deep appearance of the fuselage that was notable in the side and frontal profiles. To reduce the ductwork needed to move air about, the engine was neatly aspirated through an under-nose intake and exhausted under the tail of the aircraft, the exhaust port set well-ahead of the tail unit proper. The tail unit was somewhat unique in its own arrangement in that the horizontal plane would be positioned ahead of the vertical fin and located just above the fin's base.

The cockpit, to be pressurized and fitting an ejection seat, was lightly-framed and its position at the nose provided for a commanding view of the action ahead and to the sides of the aircraft. The mainplanes were relatively straight members with only slight sweepback of the leading edges and this offset by considerable sweep at the trailing edges. Ground-running would be accomplished by way of a wheeled tricycle arrangement with the nose leg retracting into the engine housing and the main legs retracting into each wing.

Armament was proposed to include 1 x 30mm MK 103 automatic cannon with 2 x 20mm MG151/20 autocannons or 1 x 55mm MK 112/M114 autocannon paired with 2 x MG151/20 autocannon systems - either configuration giving the P.198 a formidable "punch" against Allied warplanes.

As finalized, the P.198 was to sport a running length of 42 feet with a wingspan measuring 49.2 feet.

Engineers estimated this new interceptor-fighter to have a maximum speed of 555 miles-per-hour, reach an altitude of up to 50,900 feet (requiring cockpit pressurization), and feature a rate-of-climb of nearly 8,900 feet-per-minute. Its range was listed at 900 miles though less than two hours of actual flight time were possible depending on fuel burn.

Despite the promising nature of this interceptor-fighter, the war situation doomed it and its powerful BMW engine. The BMW 018 program - eventually yielding just three test units - was ended before the end of 1944 and further development of the P.198 besides some design work was not taken up. The existing BMW 018 engines were tested for a time longer but eventually scrapped prior to the German surrender of May 1945.

The P.198, therefore, joined other potential "what-if" designs of the war that ended its days as nothing more than a paper airplane destined to never serve The Reich.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Blohm and Voss Bv P.198 Single-Seat, Single-Engine Interceptor-Fighter Proposal.
1 x BMW 018 axial-flow turbojet engine developing 7,500lb to 7,700lb of thrust.
556 mph
895 kph | 483 kts
Max Speed
50,853 ft
15,500 m | 10 miles
Service Ceiling
901 miles
1,450 km | 783 nm
Operational Range
8,900 ft/min
2,713 m/min
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
The nose-to-tail, wingtip-to-wingtip physical qualities of the Blohm and Voss Bv P.198 Single-Seat, Single-Engine Interceptor-Fighter Proposal.
48.9 ft
14.90 m
O/A Length
49.2 ft
(15.00 m)
O/A Width
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
Available supported armament and special-mission equipment featured in the design of the Blohm and Voss Bv P.198 Single-Seat, Single-Engine Interceptor-Fighter Proposal .
1 x 30mm MK 103 autocannon with 2 x 20mm MG151/20 autocannons OR 1 x 55mm MK 112 or Mk 114 autocannon with 2 x 20mm MG 151/20 autocannons in nose section.
Notable series variants as part of the Blohm and Voss Bv P.198 family line.
P.198 - Base Project Designation.
Project 198 - Alternative Project Name.
Global customers who have evaluated and/or operated the Blohm and Voss Bv P.198. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 0 Units

Contractor(s): Blohm and Voss - Nazi Germany
National flag of modern Germany National flag of Nazi Germany

[ Nazi Germany (abandoned) ]
Relative Max Speed
Hi: 750mph
Lo: 375mph
Aircraft Max Listed Speed (556mph).

Graph Average of 563 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
MACH Regime (Sonic)
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
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Image of the Blohm and Voss Bv P.198
Image copyright www.MilitaryFactory.com; No Reproduction Permitted.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Blohm and Voss Bv P.198 Single-Seat, Single-Engine Interceptor-Fighter Proposal appears in the following collections:
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