AERO BONNER ENGINEERING HISTORY

1968 Graduate from Cambridge with degree in Mechanical Engineering
1969Start work in Weslake & Co drawing office designing engines
1971Work for BP Australia as engineer in Technical Services Division
1972Return to Weslake to design and build Aero Bonner Sapphire V6 Aero Engine
1974Move to workshop on Shoreham Airport
1975Design single cylinder research engines for Ricardo & Co, also at Shoreham
Install Sapphire engine in Chipmunk flying test bed
1976Engine dyno failure: Static exhibitor at Farnborough Air Show. Purchased new block casting from Ford Motor Co. M/C new casting myself on Bridgeport.
1977Commenced overhauling de Havilland Gipsy Major engines. M/C first crankshaft for Ricardo + crankcases & much else + continued to produce engine drawings for them
1979Finished testing & flew Chipmunk powered be Aero Bonner Super Sapphire for first time. Carried out numerous test flights, in accordance with CAA approved test schedule
1980Demonstrated Sapphire flying at Farnborough Air Show. Lots of interest ( RAF, RR ) & advertised in USA, but no cheques. Took on project to turbocharge and marinise the Jaguar 5.3 litre V12 engine to produce 800 bhp.
1981Jaguar bring out May cylinder head & commission Bonner Engineering to develop the combustion chamber to eliminate chronic detonation. SUCCESS. Continue building V12 racing marine engines
1983 Ford Motor Co commission Mileage Marathon engine: Design and Manufacture units
1984Intense Development programme of Mileage Marathon engine. Ford achieve World Record of 3804 m.p.g.
1986Start Design of Bonner V6 5.8 ltr Race Engine, and also Africar twin crank engine.
1987Commence manufacture of 6 off Bonner V6 + 1 off Africar engine + Design 12 speed 4wheel drive gearbox for Africar.
1988Run 1st V6 on Dyno + Run Africar on Dyno
1989V6 achieves design spec of 550 bhp on Dyno. Supplied to ADA. V6 Marine Racing Engine achieves 900 bhp, delivery commences to customers.
1991Redesign Maserati 4 cyl race engine & rebuild and test & supply to Steve O’Rourke
1993Overhaul Lycoming TIGO-541 425hp aero engine. Design and build special fan with 145mph exit velocity to cool it on dyno.
1995Re-design Jaguar ‘D’Type engine: New crank and new cam profile raise rpm to 7500 and power output to 350bhp, for Steve O’Rourke.
1997Commence design and construction of Bonner Ballistic Sports Car
1999Chevrolet 9.4 Ltr V8 marine engines rebuild. MG M type engine rebuild.
2000Overhaul Climax 1.5 V8 GP engine ex Lotus24. Redesign defective oil pump and oil system, for Steve O’Rourke.
2001Design and build 8,600 sq ft hangar at Shoreham Airport. Mfr Steel structure; excavate and lay 1000 tons reinforced concrete & erect steel frame, fit cladding, excavate and culvert stream.
2005Redesign Gipsy Major 1 engine to run in erect configuration for use in place of Gipsy 11 to power Gipsy Moth aircraft. Mfr Wet sump, new oil pump and system
2008Mfr Coventry Climax FWA cylinder heads + batch of V8 F1 oil pumps + mod blocks Dyno testing race engines for Jim Stokes Workshops
2010Consultant to Cox Powertrain developing new opposed piston diesel engine
Overhauling Renault PO3 engines, c/w redesigned oil pumps
2012Overhaul Coventry Climax FPF engines
2013Consultant to Lugo Engines of Venezuela
2015Consultant to Yan Engines of USA and Brighton
2016Sign contract with Marquette University of Milwaukee, USA for supply of Bonner Hercules single cylinder research engine with variable compression Ratio from 4:1 to 18:1. Commence design and pattern making.
2018Consultant to Weslake Aero with regard to their twin crank aero engine.
2019Complete assembly of de Havilland Bonner Gipsy 11 K engine followed by 18hr endurance dyno test
2020Providing workshop, assembly, machining and dyno test services for OSP Engines in respect of their twin crank experimental stepped piston engine.

Our Services

Single Cylinder Research Engine

AIRCRAFT ENGINE OVERHAUL & INSPECTION

Speciality Engine & Driveline Rebuilds

Engine Design

Engine Development

COMBUSTION CHAMBER DESIGN

DYNO TEST
CELL HIRE