Tandem engine arrangements were a unique facet of World War 2 fighter design and perhaps best embodied by the German Dornier Do 335 "Pfeil" heavy fighter. Another entry into this category of aircraft arrived in the form of the Lippisch P.13 in November of 1942, designed around a high-speed bomber requirement. The aircraft's design (unrelated to the P.13A and P.13B Lippisch-designed aircraft detailed on this site) was credited to Josef Hubert despite it falling under the Alexander Lippisch name - at the time, Hubert served as the head of Department L of Messerschmitt under Lippisch himself.
The arrangement of the P.13 was largely conventional, seating the single pilot near midships under a tear-drop canopy. Wing mainplanes were set near midships as well and the tail unit was made up of a single rounded vertical fin with a ventral fin added. The undercarriage was wheeled and retractable though of a tail-dragger arrangement. The main legs sat under the wings near the roots and the tail wheel was fitted, as expected, under the tail's mass.
There were two unique qualities of the design: firstly was the engine pairing which seated one Daimler-Benz DB605B inline piston unit at the nose and a second DB605B at the rear, its placement ahead of the vertical tailplane while the spinner extended beyond the plane (driven by way of a shaft). One engine was set to "pull" the aircraft and the other to "push" it - the combined power making for an exceptionally fast and powerful aeroplane (as proven by the Do 335 which flew late in the war). Each engine developed 1,475 horsepower and drove three-bladed propeller units and, internally, there were five total fuel tanks to feed both engines.
The second unique quality of the aircraft was its wing mainplanes which featured varying degrees of sweepback for low- and high-speed flying. The appendages had two levels of sweep: nearer the wing roots it was 18 degrees and outboard of this it was increased to 38 degrees. There was enough useful area within the mainplanes that no horizontal tail surfaces were used - as such the P.13 was considered a "tailless" aircraft design.
The P.13 was to rely on its inherent speed to advance beyond any enemy air defenses including ground-based guns and airborne interceptors. As such, no defensive armament was fitted to the design. Its sole proposed armament provision was an underfuselage (centerline) hardpoint for a single conventional drop bomb.
Work on the P.13 abruptly ended when Department L was closed by Messerschmitt in April of 1943 and this ended design work on several forward-thinking projects including the P.13. Alexander Lippisch then relocated to Vienna to work at the Aeronautic Research Institute of Vienna and produced a whole slew of new ideas, some of which impacted Cold War-era aircraft design, mainly for the Americans.
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.
(OPERATORS list includes past, present, and future operators when applicable)
✓Ground Attack (Bombing, Strafing)
Ability to conduct aerial bombing of ground targets by way of (but not limited to) guns, bombs, missiles, rockets, and the like.
✓Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.
✓X-Plane (Developmental, Prototype, Technology Demonstrator)
Aircraft developed for the role of prototyping, technology demonstration, or research / data collection.
30.8 ft (9.40 m)
42.0 ft (12.80 m)
16.7 ft (5.10 m)
(Showcased structural values pertain to the base Lippisch P.13 production variant)
2 x Daimler-Benz DB605B engines of 1,475 horsepower each and arranged in tandem (one pulling, one pushing); each driving three-bladed propeller units.
(Showcased performance specifications pertain to the base Lippisch P.13 production variant. Performance specifications showcased above are subject to environmental factors as well as aircraft configuration. Estimates are made when Real Data not available. Compare this aircraft entry against any other in our database or View aircraft by powerplant type)
1 x Conventional drop bomb under the fuselage.
(Not all ordnance types may be represented in the showcase above)
Hardpoint Mountings: 1
P.13 - Base Series Designation
Ribbon graphics not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective aerial campaigns / operations / aviation periods.
1 / 1
Image copyright www.MilitaryFactory.com; No Reproduction Permitted.
The "Military Factory" name and MilitaryFactory.com logo are registered ® U.S. trademarks protected by all applicable domestic and international intellectual property laws. All written content, illustrations, and photography are unique to this website (unless where indicated) and not for reuse/reproduction in any form. Material presented throughout this website is for historical and entertainment value only and should not to be construed as usable for hardware restoration, maintenance, or general operation. We do not sell any of the items showcased on this site. Please direct all other inquiries to militaryfactory AT gmail.com.
Part of a network of sites that includes GlobalFirepower, a data-driven property used in ranking the top military powers of the world, WDMMA.org (World Directory of Modern Military Aircraft), WDMMW.org (World Directory of Modern Military Warships), SR71blackbird.org, detailing the history of the world's most iconic spyplane, and MilitaryRibbons.info, cataloguing all American military medals and ribbons.