Helicopter Dynamic Rollover, LTE, W & B Aviation Films DVD

Helicopter Dynamic Rollover, LTE, W & B Aviation Films DVD

Collection of several footage relate to the following subjects: 

• Helicopter Dynamic Rollover Characteristic. Dynamic rollover typically occurs when a critical rollover angle is exceeded. This angle--often referred to as the dynamic rollover angle--is considered that angle-of-bank beyond which the pilot's control authority can't arrest the angular velocity that develops laterally about a pivot point such as a skid or tire. This angle can be as little as seven degrees and varies with a helicopter's roll rate, gross weight, and main rotor thrust. In addition, there is yet another angle that is nearly as important and provides us with some hope for recovery, it is the static rollover angle. This angle results when the helicopter's lateral center-of-gravity (c.g.) is directly over the skid or tire. In other words, if we could balance a helicopter on its side by lifting one skid or tire until the c.g. is directly over the opposite skid or tire, this would be the static rollover angle.
• Helicopter Loss of Tail Effectiveness, Loss of Tail Rotor Effectiveness (LTE) is a critical, low-speed aerodynamic flight characteristic which can result in an uncommanded rapid yaw rate which does not subside of its own accord and, if not corrected, can result in the loss of aircraft control. LTE is not related to a maintenance malfunction and may occur in varying degrees in all single main rotor helicopters at airspeeds less than 30 knots. LTE is not necessarily the result of a control margin deficiency.
• Helicopter Weight and Balance The factors concerning weight and balance are: the datum, weight, arm, moment, and CG (center of gravity). As fuel is burned, the CG (center of gravity) moves forward, so fuel burn is quite relative to weight & balance data. Furthermore landing weight is significant in many weight & balance calculations. Although most modern weight and balance data are calculated using a graph, many pilots prefer to use the manual calculation method.

DISCLAIMER These come from vintage old training, sales or promotional films, declassified USAF films, old department of defense films; some are from old 16mm films, All are public domain with no copy writes We are not the original producers and are not responsible for any recording imperfections We deal exclusively with original content which: Has never been protected by copyright, OR Was once covered by a copyright which has since expired, OR Has been designated as "Distribution Unlimited" by the copyright holder, OR Is being distributed with permission. These materials are sold for entertainment purposes only They are outdated and should not be used in anyway for other purpose These are military DVD's so they come new in plain white packaging The works presented on this DVD(s) are in the public domain. ..The content has been fully researched and found that all copyrights have expired or lapsed through non-renewal.  In accordance with  policy on recordable media, we claim ownership and rights to this DVD(s) and are legally authorized to replicate the content without permission or licensing.

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Video : B&W / Color,  Time :27  minutes  Format : DVD-R / DVD+R    Price : $14.85 + S&H //   Average  Delivery Time : 10 Business days  ( Two weeks ) //  No Label or Artwork