The Verner Scarlett 7U radial GA aircraft engine is a simple engine, the cylinders and pistons are supplied by VW and the heads by Honda, so spares are available world wide. The engines are all made to order, but delivery is set at a maximum of 3 months from order.
The engines are designed to run on mogas, use 20W60 motor oil and the filters are standard W712/22.
As at 2017 the 124hp 7 cylinder Scarlett 7U was priced at £13,990.00.
Scarlett 7H
Pistons: 7
Power: 80hp
Scarlett 7U
Displacement: 4740 cc / 290 cubic inch
Pistons: 7
Cooled by: air
Bore: 92 mm
Stroke: 102 mm
Compression ratio: 1:7,8
Maximum power: 124 BHP (91 kW) @ 2300 RPM
Max. continuous power: 103 BHP (75kW) @ 2000 RPM
Torque: 390 Nm @ 2200 RPM
Propeller rotation: CCW, viewed from the front (tractor prop)
Complete dry weight: 83KG
Spark plugs: Brisk DR14YC-SUPER, Denso Q20PR-U
Electric starter: 12 V/1000 W
Alternator: 12 V/200 W
Lubrication: Total 20W60, Aeroshell oil 15W50
Fuel: motor petrol, octane number 95
EFI, carburetor: 2 + 1 jets, IMF ECU/ weber carb
Reduction drive: none
Propeller hub: 101,6 x 6 x 13 holes – M8
Max propeller: 220 cm
Installation: back
Recommended TBO: 1000 hours
Batteries: 12V 24Ah
All Aero 