Odd'l Rockets F-18 Hornet Development & Build, Part 4, Engine Mount & Jet Engines

The engine mount is standard with the Kevlar line retained under the top bend of the engine hook.

The engine tube is an Odd'l Rockets heavy wall BT-20H, stronger than a standard BT-20.

A tube marking and cutting template is supplied with the kit. You will be removing a long rectangle piece so the BT-5 tube can overhang the end of the BT-50H main airframe tube.

Wrap and tape the paper template around the BT-5 tube. Punch small holes with a pin down the cut lines. Remove the template and connect the punched dots with a pencil line.

With a new, sharp blade -
Cut the end first.

Then cut the long side lines. You'll find it easier to cut a straight line using a aluminum angle for a knife guide.

Here's what you should end up with.

Notice there is some rough edges.

Careful sanding with a block will clean up and straighten out the cut lines.