[NSRCA-discussion] Header Tank Question????

[jivey61 at bellsouth.net]

Larry
 The header tank (4 oz dubro works) needs to be mounted the same level as the main tank but forward of it.You can leave the DZ clunk in the main tank and run a straight tube in the header. It should be full all the time or at least the last to go empty.Plumb so the header supplies the engine and the main tank supplies the header.Fill through the header tank when it is full the main will then start filling.
No need for a clunk in the header. Now since you have more nose weight you will need to rebalance. The main fuel is used first so CG won't change much unless you fly the header empty.

Jim Ivey
  ----- Original Message ----- 
  From: Lisa & Larry 
  To: NSRCA 
  Sent: Tuesday, April 11, 2006 5:32 PM
  Subject: [NSRCA-discussion] Header Tank Question????


  I'm looking at using a 4oz header tank to increase my flight time. Currently I have a 16oz tank in a Focus w/ a 140DZ. I can get through the Intermediate Sequence and a couple additional maneuvers, but then I'm almost dry. There isn't enough room under the wing tube to install a 20oz tank, so a header tank seems like the only option. Unless someone knows of a header tank with a maximum height the same or less than a Dubro 16oz.

   

  Question: Do I use a regular clunk in the header tank and the foam clunk in the main tank for the YS 140DZ?

   

  Larry



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