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The Airframer Bulletin

Piston & Rotary Engines

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Every Bulletin story and press release covering Piston & Rotary Engines, newest first.

156 items · page 1 of 4

2026
15 July

ReleaseRED Aircraft and Helix create ultra-light series hybrid generator for aviation

8 June

ReleaseArcline Investment Management to acquire Continental Aerospace Technologies

13 April

ReleaseDeltaHawk launches defense division for UAS engines

16 March

ReleaseOndas completes acquisition of Rotron Aerospace Ltd., expanding long-range propulsion technologies for advanced unmanned systems for defense

2 February

ReleaseOndas to acquire Rotron Aero, expanding long‑range attack capabilities and unmanned vehicle technologies for advanced defense missions

13 January

ReleaseHirth Engines and ePropelled announce strategic collaboration to advance high-efficiency propulsion systems

2025
8 December

ReleaseRotron Aerospace and LIG Nex1 sign strategic MoU on UAV propulsion and platform development

19 August

ReleaseGA-ASI acquires assets of Achates Power, Inc.

19 July

ReleaseBushliner 1850 aircraft to be powered by 350 HP DeltaHawk jet-fuel engine

22 May

ReleaseMHI conducts flight test for hybrid-type medium-sized UAV

3 April

ReleaseVulcanair Aircraft and DeltaHawk continue development of jet-fueled engine for V1 Trainer

20 March

ReleaseEDGE Group’s Powertech secures first P145i engine order for ADASI UAVs

2024
28 November

ReleaseAdvanced Innovative Engineering (AIE) launches additive manufactured 40ACS air-cooled Wankel rotary engine

19 November

ReleaseGA-ASI completes final qualification test for HFE 2.0 engine

18 April

ReleaseIntroducing the CD-170R engine optimised for rotary wing applications

2023
22 November Variants of DeltaHawk’s revolutionary FAA-certified piston-engine for general aviation aircraft are being developed for use in hydrogen-powered aviation, commercial road vehicle and military mobility applications. Simulations and computer-based testing is underway now at the company’s factory in Racine, Wisconsin.

DeltaHawk Engines launches hydrogen engine program

The use of proven internal combustion engine (ICE) technology with hydrogen fuel replaces more expensive, highly infrastructure-reliant, fuel cell systems.

21 November

ReleaseXRDi, Inc. multi-fuel engine successfully completes FAR 33 endurance test

14 November

ReleaseEDGE collaborates with TTR CNC to manufacture 'RABDA' aeronautical engines in the UAE

9 October

ReleaseNorthwest UAV's NW-230 heavy-fuel UAV engine commences flight operations

21 June The P2012.

Tecnam adds Continental engine option to P2012

Both engine options are rated for 375 HP, with the Continental coupled to a three blade MT-Prop propeller and the Lycoming coupled to a four blade prop.

20 April Representatives of the Vienna University of Technology, Austro Engine and Bosch General Aviation Technology in front of the test bench of the university

Austro kicks off research into bivalent hydrogen engine

Austro sees a long-term future with sustainable aviation fuels, but also believes that hydrogen direct combustion might be a good propulsion system for general aviation.

18 April

ReleaseDiamond Aircraft is working on the use of Sustainable Aviation Fuels

31 March

ReleaseDufour Aerospace and Suter Industries sign frame contract

30 March The Carbon Cub UL

Latest BRP-Rotax engine debuts with CubCrafters

In this class up to 160 hp, the new propulsion system features fully electronic iS technology for increased performance, greater efficiency and simplified maintenance and servicing.

17 March

ReleasePower4Flight IntelliGen integration on the Northwest UAV NW-230

2022
14 December Stork-STM is an autonomous, heavy lift parafoil designed to carry heavy cargo weighing 135kg up to 400km.

Orbital and Animal join forces for engine development

As well as powering Stork-STM vehicles, which are being developed for the UK, USA and other allied countries, this engine work will also power a sovereign Australian vehicle, Pelican, being developed in Sydney.

10 November

US Army backs LiquidPiston's heavy fuel engine for UAS

LiquidPiston's Compact Efficient Rotary Engine Program will develop the company's patented High-Efficiency Hybrid Cycle in a totally re-imagined compact rotary engine architecture.

13 September

ReleaseLiquidPiston awarded Phase II Army contract to advance hybrid electrification for Unmanned Aerial Vehicles (UAVs)

27 July The Eco Caravan will retain the payload capabilities of the Grand Caravan, carrying up to 11 passengers or 2,500 pounds of cargo. Range improves to 1,100 nautical miles.

RED engine selected for Ampaire's Eco Caravan

Ampaire conducted the first Eco Caravan hybrid powertrain ground runs in April, with plans to fly the aircraft in the second half of the year. The target for STC approval is 2024.

12 January

ReleaseAIE's 225CS engine beats the heat in AFRL flight testing

2021
21 October

ReleaseInnovative eVTOL designers choose RED A03 as the ideal solution

24 August

ReleaseRED aircraft GmbH showcases RED A03 powered YAK-18T

24 August

ReleaseNew Zealand CAA issues type acceptance for the RED A03 engine

16 August

ReleaseSuter's TOA288 UAV engine passes FAA FAR33.49 endurance test

20 April

ReleaseRED Aircraft announces that their technology will power Airlander 10

6 April

ReleaseUL520T available as ASTM compliant version

4 March

ReleaseLiquidPiston wins Air Force contract to overcome shortcomings of batteries in eVTOL and UAS propulsion

1 February

ReleaseAIE awarded AS9100D for excellence in Quality Management

2020
1 September

ReleaseGame-changing piston engine RED A03 selected by PRO-Avia for twin engine aircraft

15 August Continental has received EASA type certification for its CD-170 engine.

Continental engine for P2010 TDI gains type certificate

The Jet-A/diesel engine for the Tecnam P2010 TDI has been granted type certification by EASA, paving the way towards similar approvals in other jurisdictions. Continental is delighted with its safety and reliability.

2019
22 July

ReleaseContinental Aerospace Technologies announces standard Titan experimental engine configurations for Van's aircraft

16 April

ReleaseMetaVista breaks World Record of multi rotor UAV flight time using Intelligent Energy Fuel Cell Power Module

10 April

ReleaseContinental Aerospace Technologies announces partnership with Diamond Aircraft to equip the DA50 with the CD-300 Jet-A engine

4 April

ReleaseContinental Aerospace Technologies announces partnership with Piper Aircraft to launch the Pilot 100 training aircraft

28 March

ReleaseContinental Motors announces name change to Continental Aerospace Technologies and global rebranding

31 January

ReleaseIntelligent Energy UAV Fuel Cell Power Module selected for Korean customer's record breaking 10 hour plus multi-copter endurance flight

21 January

ReleaseEPS begins shipping production engines

2018
3 December

ReleaseEPS Diesel secures funding to complete certification

19 September

ReleaseLycoming powered Guanyi GA20 celebrates first flight

18 April

ReleasePiper announces Jet-A powered Seminole