Rotec R3600 vs. Verner 9S
I'm going to follow Brian on Facebook. Wouldn't want to miss out on this conversion. (I thought this was the way to go in the first place but I won't say I told you so!)
Rotec 3600
Designers Matthew & Paul Chernikeeff
Configuration Nine Cylinder Four Stroke
Capacity 3600 cc (220 ci)
Total Diameter 840 mm (33.1 ”)
Dry Weight 120 kg (265 lbs)
Propeller/ RPM Large 80” – 90” Diameter x 55”
Pitch @ 2,450 rpm
Ignition / Type Dual, electronic and magneto
Carburettor TBI-40-S / Bing Mixture Control
Lubrication Geared Oil Pressure and Scavenge Pump
Bore/ Stroke (3.15 ”) 80 mm x 80 mm
Heads Two Overhead Valves,
Push Rod Operated
Spark Plugs Two per Head (NGK DCPR8E)
Starter Electric Auto Type 12 Volt
Charging System 45 Amp Alternator
Fuel Consumption Avgas 100LL – 28 liters
(7.4 gallons) @ 75% Power
Rated Power 150 hp @ 2450 Prop RPM (Via 3:2 PSRU)
Verner 9S
Displacement 6094 cc / 372 cubic inch
Pistons 9
Cooled by Air
Bore 92 mm
Stroke 102 mm
Compression ratio 1:7,8
Maximum power 158 BHP (116 KW) @ 2400 RPM
Max. continuous power 136 BMP (100 kW) @ 2300 RPM
Torque 485 Nm @ 2000 RPM
Propeller rotation CCW, viewed from the front (tractor propeller)
Complete dry weight 108kg
Spark plugs Champion RN12YC, Denso Q20PR-U
Electric starter 12V / 1000W
Generator (Alternator) 12V / 336W
Lubrication Philips X/C Aviation SAE 25W60; Total 20W60
Fuel Motor petrol, octane number 95
Carburetor Marvel; S&S
Reduction drive None
Propeller hub ∅111,12 x 6 x 16 holes - M8 (3/8 24 UNF) SAE 1
Max propeller 220
Installation Back
Recommended TBO 1000 hours
Batteries 12V 24Ah