FS2004/FSX Yak-11 racer CZECH MATE
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Hanging a big American engine on the front of a relatively small airframe like the Yak- 11,a former Soviet Yak-11 trainer makes this diminutive Russian trainer go very fast indeed.The engine of choice in this particular version is the tried and true, Pratt & Whitney R-2800, 18 cylinder radial engine. This engine, first produced in 1939, was rated at 2000 hp @2400 RPM. Improvements in fuel octane, and the engine itself, finally brought the output to 2400-2600 hp depending on the version. These outputs are based on maximum RPM and time limits of 2800 RPM at 60 inches of manifold pressure, limited to 5 minutes take-off power rating. In Czech Mate this engine is pushed at over 3000 RPM and "around" 80 inches of manifold pressure.
John Moore's Race #86, "Czech Mate," the brainchild of the late Bob Yancey, first raced in 1981 as a 327 MPH raceplane named "Perestroika". The "metalized" Yak 11, the product of the imaginative crop dusters Yancey and Bill Whitlatch, was built with the help of other Klamath Falls residents, family and friends using assorted road signs and other useful "raw materials," gradually moved up the speed scale until it became a very competitive Gold racer. (author's note: the above reference to "road signs" is a humorous one. The rudder pedals in the airplane are constructed from a surplus aluminum road sign and this story has been part of the legend of this racer for many years)
After the passing of the airplane's creator, its history became some what "czechered". Her new owner and his pilot, Sherman Smoot had not seen a successful race year, until at the 2003 National Championship Air Races. And that year was totally different for this race team!
A steady performer all week, Smoot turned in a 434.825 MPH qualifying speed.
He clocked 445.617 MPH in the Gold Final Race .

Installation:
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-Unzip "Yak11_Czech Mate" into a temporary file and move the "Yak11_Czech Mate" folder into the main Aircraft directory.
-Attention...the panel.cfg files are different for FSX and FS2004.
-For FSX,change the FSXpanel.cfg into panel.cfg and let it replace the first one.
For FS2004,change the FS9panel.cfg into panel.cfg and let it replace the first one.
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-Read instructions carefully when installing the P51d.gau (you find it in the Yak11_CzechMate\gauges map), say YES...when asked if the gauges sources should be trusted. If you say no....most of the gauges are not going to work !
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-Leave the "Yak" map in your panel folder.
-Put the P51d.gau into your Microsoft Games\Flight Simulator X\gauges folder.
-Copy the effects into the Microsoft Games\Flight Simulator X\effects folder.


Flying the model
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This plane is a fast, non critical and a good aerobatic flying machine. However from about 350 Kts indicated airspeed, the plane becomes increasingly nose heavy.You need outside rudder in the turn and you may have to add some up trim.
In FS2004 tail view is triggered from the 2Dcockpit by the rear view key. In FSX you get it automaticaly when changing views. This can be very useful while flying a pylon course.
-CTRL+E opens the canopy
-Radiator flaps are opened by the close cowl key.
-WEP power boost to 70+ manifold pressure

TAKE-OFF :if you have manual rudder enabled, apply right rudder and brake when you hit the throttle .
Better apply throttle proportionaly and slowly at first.
1.Parking brake on, start engine, 1/4 flaps
2.Disengage parking brake
3.Hold enough rudder, brake to keep the aircraft straight
4.Take off at about 110 Knots, let speed build up, as the plane at first sinks back to the ground, wheels and flaps up at 130 Knots.
5.Approach at 25% flaps, wheels down at 120 Knots.
6.Touchdown at 70-80 Knots.

CREDITS
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Special thanks to :
-GMAX for the drawing program and Microsoft for their makmdls.mdk.


LEGAL:
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The project is released as freeware. You may modify it and repaint it. You may upload this file to another website as long as it is not for profit.
You need the written permission of the original authors to use any of these files for commercial purposes, otherwise a simple credit would be nice. Non commercial repaints-remakes are welcome but I would appreciate very much receiving a copy of your model.
This file should not cause any problems with your computer, but I accept no responsibility if you think it does


Happy Landings!!

A.F.Scrub
March 2008
Email: af_scrubbypc@hotmail.com