A large wind tunnel fan that uses RotaBolt® measurement fasteners to secure its main rotor blades to a central hub has clocked up nearly 30 years of trouble-free service at an automotive vehicle testing centre in Russia.
Constructed in 1984 the fan entered full service in 1986. However, it wasn’t until this year that the centre re-contacted RotaBolt® to enquire about specialist lubrication greases, and to also report that the fasteners were still operating trouble-free in monitoring and maintaining the correct bolt load.(…)
