If we don't move the right side FW hard points inboard on Bruce's AC the CCF rad will still fit. We might need a blister or two on the cowl
   here and there.

   It is hard to model the cowl accurately without a bunch
   of cross section slices. If Tango Company has and old cowl lying
   around they are willing to slice up and send me dwgs of
   I will do a 3D dwg for them. That will give themn a starting
   point.That way they can check the fit on different engine
   installations. This cowl shape shown is just a guess.

   I got two cross counter flow rads in the works.
   It looks like no problem Tig welding them up. I have
   done a bit of test welding already. Aluminum welds are
   always configuration problematic.

   For the people that don't have my book a cross counter flow rad is a more effective heat exchanger configuration in therms of installation volume consumed.

   In plain English it is smaller for a given cooling :)


   Paul Lamar
   --

Paul it looks great!

I will check with tango for an old cowl to slice and model up.

As an option, for the top RH firewall mount vs fitting in the CCF rad, i spoke with tango about welding a tube across between the 2 top mounts if necessary at a later stage, and adding an extra firewall spacer about 2 inches inboard of the top RH one along that tube. If we attach the RH top adjustable mount arm there it gives us space to model our diffuser and the rad fits with space to spare. When I originally mocked up the neon rad size with plywood it just fit under the cowl. Not sure how thick the CCF rad will turn out.

If the cowl moves back 1" with 1" firewall spacers instead of 2" then a blister is the easist way to go as you suggested. I have to put a blister anyway for my intake plenum,

Alex

OK Alex that sounds like a plan. Across the tanks top and bottom will be 5 inches.
Across just the cores it is 3 inches.

It would be nice if Tango did not drill the hard points and the core of the firewall was
3/8 to 1/2 inch thick ply. That would allow hard point almost anywhere.

Paul Lamar



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