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Army Cadets at Newcastle Under Lyme School often use their .22 ranges and find it extremely hard to see what their shoot total is mid-way through the shoot.

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Introduction

Army Cadets at Newcastle Under Lyme School often use their .22 ranges and find it extremely hard to see what their shoot total is mid-way through the shoot. They cannot view the target through the sights on the rifles, as the sights are iron sights. A solution is required whereby this problem can be cured, and the individual shooters can view their statistics with minimal movement required. I am to design a system whereby shooters will be able to view their score for that particular shoot session and also view their statistics upon the same piece of machinery. The primary output of this product is to be 2 seven-segment displays, which show you the overall score of the shooter after each shot. The secondary output of this product is to be more seven-segment displays, which display relevant pieces of information regarding the shooters statistics, in accordance with their score. The seven segment displays which are to be used will be of varied sizes as the primary seven segment displays are to be larger than the secondary seven segment displays as to let the user view his or her score with great ease. ...read more.

Middle

The pressure pads will be placed behind the target in a manner by which they can still sense the impact of the .2 rounds and at the same time remain protected from the rounds penetrating them and therefore prevent their destruction. The different sizes of the seven segment displays used are to be 13.2mm and 100mm. The 13.2mm displays are to be used to display the shooters' statistics and the 100mm displays are to be used to display the shooters overall score. They need to be this size as to let the shooter se his or her score with great ease. The size of this product is unknown at this stage but this will be mentioned in the specifications. The product will not however be any larger than a piece of A4 paper which measures at approximately 290mm x 210mm. This product is to be powered by a 9v battery as it does not require a power input of a mains connection which is 230v ~ 240v ac. The 9v power supply should be sufficient in providing power for the seven segment displays in relation to how often the product is to be used, therefore giving providing a good battery life. ...read more.

Conclusion

A water-resistant casing is required as to eliminate the threat of any moisture actually damaging the circuitry within the product. The final aspect is the electronics its will contain. These have to be accurate as to prevent failure of operation by the product. For the electronics not to fail I will have to carefully plan the circuitry to a degree where I will have to distinguish what the inputs, processing's & outputs of the circuit are. Once these three areas are complete to a great degree of satisfaction, the product will be much more reliable than I did not take these into consideration. The pressure pads will have to be able to sense the force of the rounds fired to it but the pressure pads will have to be placed in a manner in which the pressure pads do not get damaged during the shoot. They will be feeling the force of .22 rounds and therefore it will be relatively easy for me to avert such an incident where the pressure pads are damaged, as only a small thickness of wood is required to penetrate the rounds, which is used by the cadets to penetrate the .22 rounds. ...read more.

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