Relatório do Foguete de água
Autor: The Phisica | Publicado: 2011-08-21T13:56:00-07:00

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1 – Descrição da base, do foguete e do pára-quedas.  
  Material usado:   Barbante - Abraçadeira de nylon - Rolha de cortiça - Fita isolante - Mangueira de ar transparente - Abraçadeira de Ferro - Bico de pneu de bicicleta - Cano de água T - Cano de água - Chapa de madeira - Parafuso sextavado com porca - Cano - Cola super Bond.  Forma de montar a base:     1° Passo:&nbsp;Fazer quatro furos na chapa de madeira, uma distante da outra, de maneira que posso encaixar cano de água e colocar os quatro parafusos sextavados.  &nbsp;&nbsp;&nbsp;&nbsp; 2° Passo:   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Encaixar o cano T com o outro cano  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Cortar seis abraçadeiras de nylon  Colar com super Bond maneira que elas fiquem Eqüidistantes no perímetro do cano (Importante: observar que a parte quadrada maior da abraçadeira deve ficar para dentro)  ·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;Passar duas abraçadeiras para fixá-las no cano de modo que os nós (parte quadrada) fiquem um abaixo do outro (na figura central eles estão opostos), para não atrapalhar o funcionamento da trava.   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Passar fita isolante ao redor das abraçadeiras  3° Passo:  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Fixar o cano T (já montado no passo anterior) na chapa de madeira que foi citado no 1° passo e colocar as porcas nos parafusos para prender o cano. (Importante: observar que se os parafusos ficarem muito próximos, o cano entrará mais apertado, com isso, utilize um martelo e bata nas saídas inferiores do cano de modo a não danificar o mesmo e que consiga encostar todo o cano na chapa).&nbsp;   
  4° Passo:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Pegar o barbante e dobrá-lo ao meio e fazer dois furos no cano, de modo que fiquem opostos ela extremidade do outro cano.   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Passar uma ponta do barbante entre a porca e o cano T e a outra ponta no lado oposto, conforme a figura do meio, caso fique difícil, retire a porca depois recoloque, de modo que o barbante passe e não prenda. &nbsp;&nbsp;&nbsp; Amarrar as pontas do barbante nos furos do cano de esgoto  5° passo: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Prender o bico de pneu de bicicleta em uma extremidade da mangueira de 3m utilizando a abraçadeira de ferro.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Passar a outra extremidade da mangueira dentro do cano.   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Furar a rolha de cortiça e colocar na mangueira.   Observações:&nbsp;   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Realizar testes para controlar os vazamentos ocasionados pela rolha. Esse controle pode ser feito adicionando fitas para prender melhor a rolha na mangueira, ou utilizar lixas para afinar a rolha se ela estiver muito apertada, trocar a rolha caso ela esteja muito danificada.   ·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Importante lembrar que as garrafas têm ‘bocas’ diferentes, com isso, se a rolha ficar excelente para algumas garrafas, ela pode ficar apertada ou larga em outras.&nbsp;   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Prender a base em outra chapa de madeira para ela não andar quando a trava se puxada  
  Construção do Foguete/Pára-quedas  
  Material utilizado:   Garrafa pet - Linha de nylon - Saco plástico preto - Tesoura - Fita adesiva  
  Preparação:  Deixamos uma garrafa pet na sua forma original. A linha de nylon foi usada para a preparação do pára-quedas, cortamos oito pedaços iguais e já com o saco plástico cortado em forma circular, colocamos os oito pedaços diferentes. O processo final da montagem do foguete foi só colar as oito cordas do pára-quedas na base da garrafa.  
  
  
  
  2-&nbsp;Tabelar número de testes realizados e desempenho do foguete em cada um deles.  O grupo fez 10 testes, pois a cada dois testes nos encontramos problemas na nossa base.  
  3-Descrever Problemas Ocorridos e Soluções Propostas.&nbsp;  No inicio do projeto o grupo encontro problemas em sincronia de bombeamento e a liberação da trava. Mas no decorrer do projeto os problemas foram solucionados.  
  4-Cálculo da Força realizada sobre o Foguete   P = F/A
F = P.A
F = 500000. 0, 02826
F = 1413 N  
  5-&nbsp;Conclusão do Trabalho.  A construção do Foguete foi um projeto muito cansativo, houve muitos problemas no começo, mas depois que o grupo começa a entender, mas o projeto começou a ficar com, mas clareza para termina o foguete.