Papers is the everyday term for a document or set of documents from a recogized breed registry that attests to the purebred status of an animal.
The form of the document differs: it may be a simple certificate or a listing of ancestors in the animal's background, sometimes with a chart showing the lineage. Usually, there is space for the listing of successive owners, who must sign and date the document if the animal is gifted, leased or sold.
More on [ Papers ]

Automatic Foam Cutter - Plans and drawings for a simple foam cutter, with PC and MAC software versions.
D Technical Model Questions - Questions and Answers from DJ Aerotech on soaring topics by Joe Hahn and Don Stackhouse.
EH Airfoils - Designed by John Yost, and developed specifically for swept wing tailless aircraft.
Epoxy Safety - Tips for working safely with epoxy, including discussion of latex gloves.
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Fletcher Design Study - An article on the design of an F3b sailplane.
Glider Performance Airspeeds - An animated explanation of glider polar curves and how they relate to performance airspeeds.
Meta Description: [ An animated explanation of glider
polar curves and how they relate to performance airspeeds. ]
Hand Towing - Reprint of a column by Michael Lachowski in Model Airplane News on F3J, hand-tow soaring.
How to Cast Lead Nose Weight - By Michael Shellim, a relatively simple method of casting lead noseweight to fit accurately inside the nose of your model.
JR XP8103 Sailplane Programming Tips - Links to articles on programming the JR 8103 radio for sailplanes.
Mark Drela's Allegro 2m - Paper and plans describing the aerodynamics and structures of a 2m RES sailplane.
Molded Fuselage Pictures - Pictures and information on making fuselage molds.
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NASA Technical Report Server (NTRS), v 2.0 - Search NASA and NACA technical reports.
NSP Tips and Treasures - Collection of articles from past NSP catalogs.
Pressure Sensor-Based Altimeter Circuit - Includes introduction, what the circuit does, the circuit, the Schematic and PCB layout, tuning and adjusting, installation in the model, use, and parts list.
Project F3F - Anatomy of a project to design a moulded F3F-class radio control slope soarer, by Adrian Bedford.
Meta Description: [ Anatomy of a project to design a moulded F3F-class radio control slope soarer. ]
R/C Soaring Radio Programming - Tips on programming full house sailplanes. Articles on programming the JR388 which are also appropriate for the JR783 and 8103.
R/C Soaring UK - What Do Thermals Look Like by Wayne Angevine, an atmospheric physicist.
Sailplane Performance Analysis - A theoretical study to evaluate the effect of minimum sink rate, span, and aspect ratio on the performance of a family of conventional radio controlled thermal sailplanes.
Sailplanes Unlimited - Listing of multiple articles and aerotow tips.
Meta Description: [ Sailplanes Unlimited, Ltd. -- Articles and Tips: Information of lasting value to scale sailplane and motorplane modelers. Articles on technique, construction, aerobatics. ]
SASS Technical Information - A number of useful articles on trimming, JR Radio programming, and construction tips.
Seamless Molded Fuselages - Doing a layup with and joining the fuselage in the mold.
See How It Flies - A new spin on the perceptions, procedures, and principles of flight.
Meta Description: [ A new spin on the perceptions, procedures, and principles of flight. 21 chapters, over 250 illustrations. ]
The Baals Wind Tunnel - Build your own low-cost wind tunnel for $200. Tunnel design developed for NASA K-12 education.
The Rotary Driver System - Introduces an entirely new method of moving hinged surfaces in R/C aircraft. Completely internal to airframe.
Meta Description: [ The Silentflight Network is a repository of information for the R/C Scale and PSS modeller. Aimed mainly for the Australian R/C scene, it also documents what is happening worldwide ]
Tubular Hinges - Knuckle or arrowshaft hinges for gapless hinge lines.
UIUC Applied Aerodynamics Group - Information on low speed airfoil testing for model airplanes.
Vacuum Bagging Wings - Vacuum bagging techniques for foam wings with composite, or wood veneer skins.
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