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Old 22nd Oct 2009, 14:26
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Riccardo
 
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Anybody know how fast was the prop spinning when she hit?? Looks to me as though three blades are damaged so I guess the prop stopped in 3/4 of a rotation.

I was on the repair team when a GPU ran into a Dash-8 prop (similar technology, same series engine) with the prop rotating at around 760rpm. Externally only appeared to be damaged blades but the anti torque crossmember at the rear engine mount (which is bolted to a centre bracket at the rear of the engine) sheared it's attachment bolts completely, the vertical strut impacted on the underside of the upper fuselage mount, twisted the nacelle and pulled some of the nacelle to spar fasteners. All of the nacelle fwd of the front wing spar had to be replaced.........

I'd imagine the engine will be pulled and sent for inspection which will probably reveal no damage but maybe the airframe suffered more......
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