question

[Jerry Stebbins]

MessageRichard, we used to use a large syringe that was used to give shots to horses. Bought them at any Co-op or feed store. Need the size (Diameter) to develop the pressure to start the flow. We were using pen bladders,and needed a lot more pressure to start the filling than it did to fill them. Don't remember the running pressure ( back in 1952 ) but it only took a 1/4 turn to run a 60.
Jerry
  ----- Original Message ----- 
  From: Fletcher, Richard 
  To: 'discussion at nsrca.org' 
  Sent: Monday, August 09, 2004 9:52 AM
  Subject: question


  I bought an RC combat plane called the Falcon 72 by GRS Models. It won the Nats in 2003 and is essentially a flying wing. It came with a bladder tank made from a piece of silicon tubing. I could not fill this tank using either an electric pump, hand pump or a fuel bulb. Does anyone have any experience with this type of tank? I suspect that it needs to be broken in but I am not sure of how to proceed. Any suggestions are welcome. I have heard that guys use a syringe to fill the tank, does anyone know where I can buy one locally?





  Thanks, Rich 
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