It is my understanding that operation at certain RPM s can set up a harmonic vibration that could cause this plate to crack. I have been told to watch for vibrations in the instruments for this vibration range and make note of it not to operate at that RPM. My Stinson had a plaque on the dash, not to operate at 2250 RPM.
Socialism will eventually run out of other peoples money. --- On Sun, 6/6/10, Dennis <[email protected]> wrote: From: Dennis <[email protected]> Subject: [ercoupe-tech] Prop Back Plate To: [email protected] Date: Sunday, June 6, 2010, 3:20 PM I've had several members tell me that for the prop back plate to last longer (on my 1946 415C), I need to install a front plate and then I think I would need a new spinner, since the holes in the old spinner will not work with the new front plate. I think the only purpose of the back plate is to attach the spinner. So, rather than spending $500-$600 for the front plate, back plate, and spinner, I am considering running with no plates and no spinner. Other than reducing speed slightly and not looking as good, is anyone aware of other negatives of running with no prop plates and no spinner? Thanks, Dennis ------------------------------------ Yahoo! Groups Links
