Evo Construction - Radio Gear

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Radio Locations

When locating your radio gear inside your Mugi Evo it's a good idea to place the more delicate items behind the heavier and less vulnerable ones. The battery needs to go in the nose, usually about as far forwards as you can push it without distorting the airframe. Behind this we sit the receiver. The receiver antenna can be routed down one wing to the pushrod exit slots and can then be threaded down a flute in the material to the trailing edge and thereafter into the breeze. This keeps the antenna in a fairly straightish line.

If you hate trailing aerials, and you tend to keep at short range, you could thread the antenna from the trailing edge down one of the flutes on the bottom surface to the wingtip. This is not recommended practice but may suit you if you know your receiver will not suffer adversely from doing so.

The Electronic Speed Controller (ESC) for use in the electric powered version of the Evo can site somewhere between the receiver and the motor. We find that motor wires long enough to reach the hatch allow very convenient access and do not suffer any adverse effects such as interference etc.

Mounting Your Radio Gear

Keeping it simple, we use self-adhesive hook and loop fastener to secure the radio gear in place. A lightweight micro receiver will not move in normal flight when attached in this way. It's worth considering wrapping your receiver in foam, or placing foam ahead of it in your aircraft just in case you make an unplanned vertical arrival.

In practice, your main electric flight battery pack or glider receiver pack can also be held in the nose with the hook and loop. You will find that as you push the battery into the nose, it will become somewhat wedged in place and will not move in normal flight.

If you find that you always run out of one type of hook and loop first, why not put both types onto removable articles such as batteries. That way, you can alternate which fastener you put in your aircraft and even out your usage. You will also be able to 'piggyback' components.

Balancing the Evo

The Mugi Evo should balance at a point 210mm from the nose. With a speed 400, or motor of similar weight, mounted at the rear of the plane, this is usually achieved with a battery pack of 150-160g+ in the nose.

If you are flying the Evo as a glider then the correct balance is usually achieved by placing a receiver battery of around 60g in the nose. This equates to a four cell, 720mAh Nimh battery pack.

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