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181-101 specs
This lipo tray was designed and tested on the following lipo batteries
    Orion 3200 / 3600 / 3800
    IP 3800 35C
    3Racing 3700
    SMC 4000

Measurements
    Size of the pockets for the humps are .500 inches x .360 inches x .070 deep
    Pocket centers are .915 inches along the length and 1.285 inches along the width
    Overall size: 5.400 inches x 1.954 inches x .250 inches thick (total thickness)
    Size of Battery Slot Tabs: 0.650 inches wide 1.835 long x 0.080 inched deep
    Spacing of Battery Slot Tabs: 0.915 inches
    Max Width for Lipo Battery being used: 1.850 inches
    Max Length for Lipo Battery being used: none
    Max Height for Lipo Battery being used: Tray adds 0.050 inches

Comments
    - tray is centered on frame cutouts, and should still allow the use of the tape slots
    - tabs are machined slightly smaller than the slots in the chassis, but
       due to variations in manufacturing (of the chassis and/or battery tray), it may be 
       necessary enlarged the cutouts in the chassis slightly with small grinder
    - it will be necessary to grind some material off of the bottom front side of the right
       head. This amount will vary with the height of the battery being used
  


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