A face gear has a planar pitch surface and a planar root surface, both of which are perpendicular to the axis of rotation.
12.
During 2011, the existing grass football pitch surface at Waterside has been upgraded with the installation of a new drainage system and sand slits.
13.
This aligns with the unpredictable nature of seam bowling, but appears primarily driven by the technique of the bowler, rather than irregularities in the pitch surface.
14.
The direction and degree of deviation from a straight path are dependent on the small-scale alignment of the seam and any irregularities in the pitch surface.
15.
The Hawthorns is certificated under the highest UEFA pitch surfaces which means it is ready to host almost any competition if required, however attendance may scupper this.
16.
Peter Winter, the newly appointed groundsman, managed to transform the pitch surface from a patchy low grade ground to a pitch that now competes with the best.
17.
Usually a profile is the curve of intersection of a tooth surface and a plane or surface normal to the pitch surface, such as the transverse, normal, or axial plane.
18.
The pitch surfaces of meshed external bevel gears are coaxial with the gear shafts; the apexes of the two surfaces are at the point of intersection of the shaft axes.
19.
The first phase of a major redevelopment of Moygannon Park has recently been completed incorporating the construction of a new playing pitch surface under the guidance of Club Trustee Gerry Gray.
20.
It is more precisely the angle at a pitch point between the line of pressure ( which is normal to the tooth surface ) and the plane tangent to the pitch surface.
