Southern Microlight Club of Victoria
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While it's standard practice to tie wire exhaust springs to protect the prop in the event that a spring breaks. An additional idea that many Pilots have been adopting is to apply a bead of silastic along the spring which further assists by absorbing and reducing vibration which is thought to be a contributing cause of the springs breaking.
The picture here shows a neat job done by David Watson. David wrapped tape around the spring and then pumped the silastic inside, waited for it all to set and then removed the tape. what a neat job!
Trike Tip - Protecting your Prop