The DH180 is V4 piston diesel aircraft engine developed for aircraft applications by DeltaHawk of Racine, Wisconsin. The engine was type certified on April 7, 2023.

Design

The design is a four-cylinder, two-stroke, piston diesel engine, in an inverted-V configuration, with turbocharging and supercharging, mechanical fuel injection, liquid cooling, direct drive. It can run on Jet-A or sustainable aviation fuel. The manufacturer claims that it has "40 percent fewer moving parts than other engines in its category."

Development

In 2014, a DH180 was installed and demonstrated at the EAA Airventure airshow on a Cirrus SR20. A retrofit kit is planned for the SR20.

The engine received its type certificate from the Federal Aviation Administration on April 7, 2023, with first customer deliveries planned for 2024.

The US National Aeronautics and Space Administration selected the engine for their Subsonic Single Aft Engine Aircraft scale flight test vehicle.

Variants

DHK180

Certified version, 180hp (134kW)

Applications

Specifications (DHK180)

Data from TCDS, AVweb and manufacturer

General characteristics

  • Type: V4, two-stroke, liquid-cooled, piston, diesel aircraft engine
  • Bore: 4in (10cm)
  • Stroke: 4in (10cm)
  • Displacement: 202cuin (3L)
  • Length: 33in (84cm)
  • Width: 24in (61cm)
  • Height: 22in (56cm)
  • Dry weight: 357lb (161.9kg)

Components

  • Supercharger: twin screw
  • Turbocharger: yes
  • Fuel system: mechanical injection, mechanical gear pump, one injection pump per cylinder
  • Fuel type: certifies for Jet-A, Jet A-1, SAF; will also burn JP5, JP8, D1, D2, JP-8-100, F-24,
  • Oil system: dry sump, external mechanical gear pump
  • Cooling system: liquid

Performance

  • Power output: 180hp (134kW) at 2600 rpm, five minutes maximum for take-off; 135hp (101kW) at 2200 rpm, continuous
  • Compression ratio: 20.1:1
  • Fuel consumption: 7.3 gal/hr (27.6 L/hr)at 135 HP Economy Cruise, 10.8 gal/hr (40.9 L/hr) at 180 hp
  • Specific fuel consumption: 0.054USgal/hp/h (0.27L/kW/h)
  • Power-to-weight ratio: 0.50 hp/lb

See also

External links