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This thread is privately moderated by VicT, who may elect to delete unwanted replies.
Sep 16, 2019, 03:50 PM
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EC 1500 Clamshell cowl mod

The cowl uses 3 screws to secure it to the nacelle. Once those are removed you still have to remove the spinner bolt, adapter nut, prop, and backplate. If you can’t remove the prop because of a jammed nut or stripped collet threads then cutting the cowl away is one way. Here is a cowl that uses red (or white) electrical tape to hide the cut line. The top tape can stay in place and act as a hinge. The remaining cut lines can be hidden or left visible as the 3 screws will secure the cowl to the nacelle.

I made up a tool to keep the the motor from turning while tightening the prop adapter nut. If you can’t keep the motor from spinning by gripping the spinner backplate you must grip the motor. Removing the cowl with this clamshell mod will allow you to do this and screw it back in place. If you have a prop strike and suspect a loose motor mount this mod allows you to inspect the motor area quicker because the prop will not have to be removed.

The top hinge can be made from any kind of tape. I have been using a Tyvek paper hinges on flaps and other flight controls and CA works excellent on plastic if it’s sanded first. However clear or electrical tape can be used.
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