NARIKA C15-2851-W0 Instruction Manual Download Page 9 | Manualshive

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NARIKA C15-2851-W0 Instruction Manual Download Page 9

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b) To adjust the launching angle downward: Slowly rotate a screw with a built-in knob (2) clockwise little by little

to decrease the elevation angle of the barrel against the lower boom.

Check if the projectile successfully hits the free-falling object.

Fig. 12

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Screw with a built-in knob (1) (Closer to Trigger/Stopper Button)

Screw with a built-in knob (2) (Further from Trigger/Stopper Button)

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Summary of Contents for C15-2851-W0

Page 1: ...Instruction manual C15 2851 W0 High accuracy Monkey Hunter Set July 2022 ...

Page 2: ...er by providing students with high accuracy collision of a projectile an aluminum ball used as a bullet shot by a hunter with a free falling object a plastic ball used as a monkey falling from a tree Achieved highly accurate and repeatable collision of a small projectile an aluminum ball of diameter 25mm with a small free falling object a plastic ball of diameter 35mm over the airline distance of ...

Page 3: ...ength boom 2 Connect each of the built in lead wires red and black one each of the lower boom with each of the color terminals located along the sides of the upper boom red wire with red terminal black wire with black terminal to complete assembling the boom see Fig 2 Ball launcher Ball release unit BRU Boom in full length Bipod Projectile Free falling Object Fig 2 Wire connection ...

Page 4: ...ped with a coil to electromagnetically suspend a Free falling Object from the end of the boom see Fig 1 In synchronization with triggering and releasing the spring firing pin the power supply to the coil will cut off Thus BRU will release the object simultaneously 1 Prepare a DC power supply and make sure it is switched off Connect the built in lead wires of Ball launcher each of the red one and b...

Page 5: ...asing the spring firing pin designed to cut off a power supply to the coil of Ball Release Unit BRU to release a ball 1 Grasp the knob of a Spring Firing Pin SFP slowly take SFP from the barrel and then latch SFP at one of its four equally spaced shallow cuts grooves to determine the magnitude of launching the ball see Fig 8 2 Attach a Free falling Object beneath BRU in such a way that the small s...

Page 6: ...35mm Material ABS resin Small steel part on the ball surface An area for sticking the ball to the iron core of BRU Fig 9 Examples of the demonstration Below photos were filmed in rapid shooting mode of a high speed camera and processed using graphic software Photos on the left are the stroboscopic images of the projectile launched with a greater magnitude whereas those on the right are the images ...

Page 7: ...agnet of MRP to the front of BRU to check the launching angle of the barrel in horizontal direction 3 Launch a projectile from the ball launcher without releasing the free falling ball and check if the projectile hits the string of MRP 4 In case the projectile rarely hits the string determine on which side of the string it travels 5 Slightly not fully loosen the screw with a built in knob further ...

Page 8: ...n no longer suspend the plastic ball electromagnetically the threshold should be somewhere between1 2V and 2 5V 6 Repeat above step 1 to 5 until determining the threshold out put voltage Once determining it do not change the setting of the power supply 7 Check if launched projectile hits the free falling object If not observe whether the projectile trajectory travels over the free falling object o...

Page 9: ...tle by little to decrease the elevation angle of the barrel against the lower boom Check if the projectile successfully hits the free falling object Fig 12 www global narika jp Screw with a built in knob 1 Closer to Trigger Stopper Button Screw with a built in knob 2 Further from Trigger Stopper Button ...

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