Rotec Radial Engines R2800 R3600. Rotec TBI. Rotec LCH. Rotec Reliant plane

Rotec R2800 Info Page

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Aerosport Pty Ltd


Rotec's R2800 - 7 Cylinder 110HP

The first Rotec R2800 radial engine came off the production line in the year 2000.

This page is devoted to a description of the engine. What comes with as standard fittings with every engine supplied.



But before moving to the detail turn up the volume on your sound card then click to hear and view:

Click on the email button to get PRICES on your requirements: Email Rotec 4 PRICE or answer your query

Hundreds of R2800's have since been sold and there are hundreds flying - and its no wonder as this engine returns best value for every dollar spent. In fact we guarantee that the R2800 Firewall Forward will cost less than a new Rotax 912 Firewall Forward. In fact the R2800, with all the items supplied as standard, costs less than a 912 as a core engine! Contact our sales people for a quote Email Rotec 4 PRICE or answer your query

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What Comes Fitted as Standard With Every R2800:

Bolt on accessories

  • 1 x 40mm Bing Carburetor& Rubber Coupling and 2 x Hose Clamps
  • 1 x 3 Planet 3:2 reduction PSRU (gearbox)
  • 1 x Starter Motor & Nyloc M 10 Nuts
  • 1 x Alternator and Alloy Spacer inc. Bolts Nyloc nuts and Washers.
  • 7 x Exhaust Stubs & 14 x Bolts & Washers
  • 1 x Prop Washer & 6 x Bolts & Washers
  • 1 x Ignition Module & Heat Sink Cream
  • 1 x 12 Volt Ignition Coil (Auto Style)
  • 1 x Magneto Trigger (Solid State)
  • 2 x Rotor Buttons (Ignition)
  • 1 x Ignition Wiring Harness
  • 1 x Oil Filter Block & Auto style filter Including Filter
  • 1 x In line oil filter between dry sump and scavenge pump

Mount Weldables and Rubber Anti Vibration Cushions:

  • 2 x Steel Top Engine Mount Cups (Weldable)
  • 2 x Steel Lower Engine Mount Pins (Weldable)
  • 4 x Sets (8 pcs) Rubber Engine Cushions
  • 2 x Lower Engine Mount M8 Cap Screws &
  • Nyloc Nuts
  • 2 x Lower Alloy Stepped Mount Washers
  • 2 x Upper Engine Mount Nyloc M 10 Nuts
  • 2 x Upper Mount Plain Alloy Washers
  • 2 x Upper Mount Flared Steel Inner Sleeves


  • 1 x Operations and Service Manual
  • Latest Advisories

Factory Support:

  • Free drawings for an engine mount design with every engine purchase (or we can build the mount for a price)
  • Free drawings for an oil tank design with every engine purchase (or we can build the tank for a price)
  • All queries addressed quickly an efficiently.


Warranty starts with the first engine run (must be within the first 24 months of delivery). 
Warranty is 12 months or 200 hours from time the engine is first started *
Warranty is not transferable.
* Unless otherwise negotiated, Warranty expires after 3 years even if the engine has not been run.

How many engine companies supply all the above as part of the engine price. Most, if not all, other engine suppliers quote on core engine, then quote on all the bits and pieces required firewall forward, thereby causing a cost blowout.

Furthermore, the Rotec has cooling built in so there no radiator or water to buy or to lug around.

No wonder people say that the Rotec beats all others as being best value for money!

Click on the email button to get a Quote for your R2800: Email Rotec 4 PRICE or answer your query

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The All Important Specifications For The R2800:

  • Description
  • Designers
  • Configuration
  • Bore x Stroke
  • Capacity
  • Heads
  • Crank Case & Heads
  • Cylinders
  • Crankshaft
  • Master & Link Rods
  • Cams and Bearing Surfaces
  • Total Diameter
  • Accessories as Standard
  • Carburetor
  • Fuel Feed
  • Fuel Type
  • Fuel Consumption
  • Lubrication
  • Ignition Type
  • Starter Motor
  • Alternator (charging system)
  • Spark Plugs
  • Dry Weight (Inc all bolt on Acc's)
  • Rated Power
  • Gearing
  • Propeller Hub
  • Propeller Flange Specs
  • Recommended Propeller
  • Propeller RPM
  • Cooling
  • Exhaust
  • Purpose Built 7 Cylinder Radial Engine. Experimental Category.
  • Matthew & Paul Chernikeeff
  • Seven Cylinder Four Stroke Radial Engine
  • 80 x 80 mm (3.149” x 3.149”)
  • 2800cc (172ci)
  • 2 Valves per Head. Push Rod Operated. Over Head Valve
  • Fully Machined Aeronautical Grade Aluminium
  • Steel 4140. Precision Honed to a Perfect Finish and Exact Tolerance
  • Steel 4140 Billet. Nitride hardened
  • Steel 4140. Deeply I Beamed. Shot Peened
  • All Nitride Hardened and Precision Ground to Exact Tolerances
  • 810mm (31.9”)
  • Starter Motor, Alternator, Carburetor, Stub Exhaust
  • Single Bing 40mm Constant Depression Carburetor
  • Mechanical Fuel Pump (with Optional Electric Back-up Pump in Parallel)
  • Compatible with Avgas100LL or High Octane MOGAS
  • 22 litres/hr (5.81 US gal/hr) (4.84 Imp gal/hr)
  • Dry Sump. Geared Oil Pressure. Primary & Secondary Scavenge Pumps
  • Dual: Hall-Effect Electronic and Magneto
  • 12V Rear Mounted. Built-in Solenoid for Reliable Engagement
  • 35amp Small Rear Mounted with Built in Voltage Regulator
  • Two per Head. (NGK DCP8E)
  • 102Kg( 224lbs)
  • 110HP @3600rpm Geared
  • Via Planetary Speed Reduction Unit (PSRU) 3:2 Engine:Prop rpm
  • Precision Ground and Matched Taper
  • Standard. Same as used for a Rotax 912 Series
  • 2 Blade: 76”diameter 55”pitch
  • 2300 - 2400rpm Take Off. 1900 -2100rpm Cruise
  • Air cooled - no lugging around water or radiator.
  • Short Stubs fitted as Standard. Collector ring optional extra.

Specifications subject to change without notice.

Click on the email button to get PRICES for the R2800: Email Rotec 4 PRICE or answer your query

Engine Drawing Showing Dimensions & Bolt on Acc's:

Download the above as pdf which can be saved or printed > Download (once done hit the "Back Button")

To enlarge a photo of the bolt on accessories click on >

Note: The photo shows an R2800 with its mount Plate. The R3600 has the same mount plate with one difference - the actual mount points are all cups unlike the R2800 which has 2 mount pins at the top and 2 mount cups at the bottom

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Drawing of Bolt-on Accessories as Viewed from The Top

AccTop view

Note: Applies to R2800 & R3600

Download the Top View of Mount Plate With Bolt-on Accessories > Download (once done hit the "Back Button")

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Phone +61 3 9587 9530. -  - Tech Support at
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