Yakovlev Yak-40 Version 4. Release Notes. June 2000.
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(C)2000 by Andrea Cini. [andrea_cini@hotmail.com]
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Version 4 of my Yakovlev Yak-40 is the last step of my redesign work
over the first model, completed on June 1999.

When compared to Version 1, the following releases had significantly
improved the overall quality of the Visual Model and introduced, since
Version 1x, a completely new and realistic Flight Model, which was
in effect, the main problem of the very first version.

It has now full STOL performances and it is capable of landing and departing
from short runways like the real craft, although it must always be remembered
that it is more than 15,000 Kg heavy and has a relatively low power installed
(3 x 1500 Kg/th Ivchenko AI-25 jet engines), so take-offs from extremely
short runways needs some skills to be performed.

Also, some parts were redesigned as new photographic material was found
and the shape of some parts, especially stabilizers and wings, have
been corrected according to.

The main changes among the various released versions are listed below.

What's new in Version 4, June 2000:
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Almost any part of the aircraft has been reworked in this release, anyway
here is a list of major changes of this version when compared to V3:

-New 16-sided 'round' fuselage made with AF99 and my new program Aircraft
Factory's Component Maker (AFCM)
-New tail and stabilizers, now much more realistic than before
-New 12-sided engines
-Canopy windows are now part ot the fuselage structure rather than being just
applyed over it (this solves some visualization problems of the model in FS2K)
-New wings, made with AFCM
-New 'solid' nose gear wheel, made with AFCM
-Single texture for each wing added
-Slightly redimensioned main gear's wheels, made with AFCM
-Nose landing lights added
-Improved stability and new realistic ranging performances; now it has a maximum
1800-2000 Km range, cruising at FL240, Mach 0.52 and 90% throttle.

What's new in Version 3, November 1999:
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-Most 'bleedings through' of the previous versions were solved
-Redesigned tailtip
-Improved main gear strut and wheels
-Minor modifications to other parts

What's new in Version 2, October 1999:
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-New 'solid' stabilizers, wingtips and tailtip
-New 'rounder' No 2 Jet intake
-Improved canopy windows
-Improved position lights and antennas
-Improved nose gear and main gear wheels
-Minor modifications to some parts


What's new in Version 1x, October 1999:
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-New Flight Model
-Redesigned stabilizers and wings
-Improved canopy windows
-Additional texture for stabilizers and jet pylons
-Improved No 1 & 3 Jet intakes and exhaust when viewed with a 3D card
-Improved basic textures

What's new in Version 1:
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-First released Version, June 1999.


Release Notes:
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This model is distributed FREE, and can be freely distributed elsewhere
provided that no fees are requested for it.

For any other use I would like to be contacted to the eMail address provided.

Notes:
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The Yak-40 'Version 3' AFX project for Flight Shop (AF5) is freely available
for repainting upon request.

Repaints of this version are freely redistributable by anyone provided
that no fees are requested for them and credits to the model designer
(i.e. Andrea Cini) are given. Also, owner of Abacus Aircraft Animator
are free to add standard moving parts to the distributed models.

Feel free to send any comment or critic to my eMail address above.