Recent content by MadaraUchiha

  1. M

    Peltier cooler- thermodynamics

    Hey thanks for the reply, Actually I am trying to create my own wristify so the material to cool the the wrist (it says that 0.4ºC drop is temperature can somewhat fool the body into thinking that its in a cold environment). Ive read that skin temperature is about 33ºC. Assumming that each...
  2. M

    Peltier cooler- thermodynamics

    Im working on a project for fun using a peltier cooler. A tec1-12706. If i am operating the peltier at 9v, 6.4 amps of current and dt =45ºC (from datasheet) and bring its cold side in contact with a body at 33ºC for 10 seconds. Keeping hot side at 27ºC(cold side =-18) using sink, what will be...
  3. M

    Can a Single Acting Spring Loaded Cylinder Launch a 1kg Body 5cm Upward?

    Thanks, I did but the answers just didnt seem right maybe i mixed up imperial and metric units (i want the answer in metric)... Tell me if I am doing this right. Bore= 1.5 inch = 0.0381 m Area= pi* (o.0381/2)^2 = 3.14*0.00036 = 0.0011 m^2 Force=PressurexArea Pressure= 100 psi=689476...
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    Can a Single Acting Spring Loaded Cylinder Launch a 1kg Body 5cm Upward?

    Hey guys im planing on buying this single acting spring loaded cylinder with specs BORE, 1 1/2" STROKE, 5" PORT, 1/4" NPT ROD DIAMETER, 1/2" ROD THREADS, MALE 1/2"-20, THREADS ARE 1 3/4" LONG If i supply it with air at 100 psi what force would it generate ? and how far can it throw a body...
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    Designing a Pneumatic Arm to Lift 5kg Load 10m

    Got it ! thanks again.
  6. M

    Designing a Pneumatic Arm to Lift 5kg Load 10m

    Ill decide that later according to portability and availability of cylinders but let's say the stroke is 300mm. Then how do we go on about calculating it ?
  7. M

    Designing a Pneumatic Arm to Lift 5kg Load 10m

    Hey I want to build a pneumatic arm that can throw stuff around (see attachment image). Before actually ordering the stuff i want help with some calculations. i want the arm to be able to push 5kg load (rectangular shaped) straight up into air. the arm/plunger area that makes contact with...
  8. M

    Push out solenoid force-distance problem

    I want to purchase a push out solenoid for throwing stuff into air and need help deciding the best one... I want to push 4kg of load into air at 90degress starting from rest to a height of atleast 3 metres. How much force(in Newtons ) would that need ? Also if you could explain the method you...
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