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My trusty  Prankster. Being ‘unbreakable’ this is my plane of choice for bad flying weather or teaching novice pilots. For this reason it is imperative an LMF is fitted. I have cut a circular hole in the side of the fuselage to mount the LMF. Care must be taken to ensure fuel cannot enter the sounder. This LMF is now in it’s third year of abuse without showing any signs of complaint.

A close up showing the LMF mounted in the side of the fuselage. With the front of the sounder flush with the fuselage.

If mounting this way, be ensure that it cannot be contaminated by fuel.

 

The LMF also works perfectly well mounted inside the fuselage as the following photos demonstrate. Sound is somewhat reduced but still clearly audible.

 

Mounting near push rod exits, ventilation holes or in open cockpits  give good results.

 

LMF mounted together with the receiver in orange foam, secured with Velcro.

LMF mounted in a glider

Front view showing the sounder, which is 22mm in diameter

Rear view showing the mode switches. The electronics are totally encapsulated in crash resistant silicone rubber.

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