This section of propeller is made from aluminium which has been polished to a high mirror shine. This process takes hours to achieve using different grades of sanding and polishing until the mirror polish is achieved.
This section of blade is from a Robinson 24 Helicopter and has been mounted on a hardwood base. A fillet of hardwood has also been inserted on the cross section end. See photos.
Size – blade measures 57cm high x 19cm wide. Base measures 29 x 22cm.