Page 30 - Contact Newsletter Oct 2023

by Dr Robert Clark
My Jabiru 430 is a fantastic aircraft in the air. shock absorber on the very rigid undercarriage

It’s economical to operate, smooth running, system, any vibration gets transferred to the
comfortable, has exceptional performance aircraft’s fuselage.
statistics for a 120-horsepower aircraft and an I enquired on the Experimental Aircraft
absolute joy to fly. Ground operations, Association (EAA) WhatsApp group if there
however, are not that pleasant. The aircraft are machined rims for Jabiru main wheels, as
has a constant wheel vibration on take-off and the vibration on take-off and landing cannot
landing. No amount of balancing will ever solve auger well for the long-term health of the
the problem, as the cast rims on the main aircraft. Sean Cronin from Glutek Engineering
wheels rotate in an eccentric plain. Eccentricity makes some rather impressive components for
is the offset between the axis of rotation and a host of aircraft types, including machined
the axis of symmetry. I have gone to the rims for Jabiru’s.
expense of putting on aviation tyres, replaced To contact Sean regarding his vast array of

the brakes and discs, had the wheels aircraft products, drop him an e-mail on
professionally balanced but the problem address Sean@glutek.co.za or
persists, as the tyre merely accentuates the Seancro@gmail.com, or cell number
out-of-roundness of the rim. As there is no 083 447 9895.

Anti-spill oil filler
.

Modified brake system

Machined rims with tubeless tyres

Fly wheel Cover

Contact! October 2023 Page 29