[Takahashi, Ishizaki, Shindo]

1) Changed the height of F3 for the end plate from 50mm to 54mm.
2) Put 5 ballast masses on the BF to tune the F3.
Additional weight: 440g x5 =2.2kg
The position of keystone: 70.5mm (optimal: 68.0mm by Hirata)
The frequency: 0.75Hz.
3) The dummy payload is closing the release sensor. More lift-up of F3 is necessary.