Appendix FWheels and Tyres
Typical tyre data/specifications used in this book are given at the end of this Appendix. The following tyre glossary and terminology given here will prove useful. Terminology, glossary and data are extracted from the following web sites. The full range of Goodyear tyre data/specifications is freely downloadable from their web site.
www.goodyearaviation.com/resources/tirecare.html
www.goodyearaviation.com/resources/pdf/tire_specifications_7_2016.pdf
www.aps‐aviation.com/wp‐content/uploads/goodyear‐aircarft‐tire‐data.pdf
Figure F.1 is drawn by the author.
Figure F.1 Wheel and tyre nomenclature.
F.1. Glossary – Bias Tyres
- Apex strip. The apex strip is a wedge of rubber affixed to the top of the bead bundle.
- Bead heel. The bead heel is the outer bead edge that fits against the wheel flange.
- Bead toe. The bead toe is the inner bead edge closest to the tyre centreline.
- Breakers. Breakers are reinforcing plies of rubber‐coated fabric placed under the buff line cushion to help protect casing plies and to strengthen and stabilise the tread area. They are considered an integral part of the casing construction. The cords of breakers are not substantially aligned with the circumference of the tyre.
- Buff line cushion. The buff line cushion is made of rubber compounded to enhance the adhesion between the tread reinforcing ply and the top breaker or casing ply. ...
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