International Miniature Aircraft Association R/C Air Show 2011

International Miniature Aircraft Association R/C Air Show 2011

RCV - Rotary Cylinder Valve Four Stroke Engine

Engine Overview:-
The RCV - rotary cylinder valve four stroke engine represents a major advance in model engine design.
Although its moving components (piston, crank, cylinder and rotary valve) are totally conventional,
they are arranged in a radically novel configuration to provide the aero modeller with several key benefits,
whilst having similar handling characteristics to other 4-stroke model engines:-

Design Features:-
The engine still uses RCV's unique rotary valve system - which has only one extra moving component to a 2-stroke and so is easy to maintain. Its ultra low profile, means the height of this engine is approximately 18mm less (compared to OS & Magnum) & the highest point is 14 mm further back which makes cowling much easier than with other engines.

Observations:-
Based  on my limited my limited experience with this engine I have concluded that this engine is a candidate for an on-board ignition system to prevent low throttle engine flame outs and the inevitable dreaded dead stick landing that comes with it. A close look at the manufactures instructions reveals that he highly recommends using an OS type "F" glow plug with this engine: something that I intend to try before going through the expense of installing the on-board ignition system. I have a plan to try this engine in an old-timer Red Zephyr that I have mounted on floats. This plane is a joy to fly but with its present OS 40 2 stroke it could do better with the extra power of a bigger engine, like this RCV.    

Specification	Imperial	Metric
Manufacture	Die Cast
Engine Type	4-stroke - Glow ignition
Displacement	0.58 cu inch	9.5 cc
Max Power (approx.)	0.85 bhp	0.64 kw
Weight (exc. silencer)	17.6 oz	500 g
Length	4.01 inch	104 mm
Height - centre line axis	2.64 inch	67 mm
Cowling Radius		R70
Propeller shaft diameter	1/4" UNF
Practical RPM range @ prop	2,400 - 12,000 rpm
Example prop sizes (2-blade)	10x6, 11x6, 12x6, 13x6
Recommended Fuel	10% Nitro / 15% Oil including max 6% Castor

Bench Test:-
http://youtu.be/QxteLIj4sfs

In Flight Video:-

Main Components

How it Works
At the top end of the rotating cylinder there is a single port leading to the combustion chamber.  This is surrounded by a fixed timing ring with three radially arranged ports; inlet, ignition and exhaust.  This simple valve arrangement serves the combustion chamber as the engine cycles through the conventional 4-cycles: induction, compression, power and exhaust.  Ignition is achieved through a standard 4-cycle glow plug exposed once only during each complete cycle.The rotating cylinder is effectively combined with the rotary valve in a single component hence - RCV - Rotating Cylinder Valve.	CD Cross Section View

Users Manual

U-2 EDF by Phase 3

Quick Overview
This "Kit" version comes with the airframe, motor and fan. All other electronics (battery and radio system) are sold separately. (Note: The manual shown is for the RTF version and shows items not included in the kit. The kit is also unpainted white foam.)

dvi

Watch it Fly
Here is the new Spy Plane from Hobby People. All stock except for the rudder mod. 2200mah 3s 20c lipo. This is the kit version. 40 amp esc motor fan pull around 34 amps and has about 377 watts. Thanks for watching. Thanks again to Evan for videoing.

FOCKE WULF FW-190 FMS Flight Review with Pete in HD!

Thank you for viewing the Flight Review for this amazing warbird! The FMS Focke Wulf FW-190 is AMAZING in scale appearance and the flight performance is awesome! Flies like she is on rails! Make sure you visit us at www.bananahobby.com to see the entire line of warbirds and jets! We are proud to be your one stop shop for FMS products! Enjoy the flight review! -Pete

B-25 Bomber AMAZING 79" Wingspan Flight Review with Pete in HD!

This video will speak for itself. Almost IMAA legal at 79" wingspan! Flight performance is amazing and to see where this industry has gone is more Amazing! This size of an aircraft would cost you $2000.00 to get ready and about 2 months of build time or more! Now they are at your door step in Electric power with scale and performance with minimal build. Amazing! I love this B-25 as it has the most amazing scale flight character ever! Raise that nose and guide her through a flight plan! Guide her back in and she just sits and a nice flare on landing, makes you want to just go and kiss the plane! -Pete