Knife planer should have a perfect sharpness, so then it has to be sharpened. It is usually the abrasive on a flat block, which strives to glide along the table, from which straying to the required angle.
However, the bar will freeze in his tracks if he put the rubber strips.
Recommend to read
RETRACTABLE LANDING GEAR RACING
About 190 km/h! This is a technical medium speed modern racing model with a powerful engine. Moreover, the maximum operating speed of the model exceeds 170 km/h, this is not the limit....
TRAINING AIRCRAFT UT-1
TRAINING AIRCRAFT UT-1. Scale model 1:33. UT-1 (air-14) - small size (wing area only 8.3 m2) training single pilot with the airplane had an open cockpit. The plane was created as a...