Frame

1- Use 1m Alu profile with cross section of 15*15mm .

2- Cut it to two (2* 0.5 m).

3- Make a cut in the middle of them as it shows in the picture.

4- Put them together by using two pieces of fibreglass (4mm) and 5 screws ( 25mm* 3mm)

5- Mount 4 screws (60mm*3mm) for battery holder as it shows around the fibreglass plate

6- Mount 4 screws (75mm*3mm) on upper fibreglass and create two levels with 2mm fibreglass

as it shows in the picture.

7- Drill holes for engines on the frame as shows below

1- Use 4mm fibreglass plate as battery holder and tight it to the mounted screws.

2- Use velcro strips to prevent of slipping the battery during the flight.

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