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Polini 110 owners - Check your Exhaust Bracket


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I had an exhaust spring come off & hit my prop on my Polini 110 Thor engine at about 50 Hours.

Turns out the root cause was that one of the exhaust springs had sawn through the bracket:

exhaustbracket.png

Keep an eye on your bracket if you have one of these engines, or consider feeding retaining wire through the springs in case one of them does break free.

I was lucky not to add a sunroof to my wing :shock:

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I had an exhaust spring come off & hit my prop on my Polini 110 Thor engine at about 50 Hours.

Turns out the root cause was that one of the exhaust springs had sawn through the bracket:

exhaustbracket.png

Keep an eye on your bracket if you have one of these engines, or consider feeding retaining wire through the springs in case one of them does break free.

I was lucky not to add a sunroof to my wing :shock:

I would always put a safety retaining wire on all springs.

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