Pietenpol-List: engine eyebrows

matronics · Post by **matronics** » Thu Jan 24, 2002 11:28 pm

Original Posted By: Larry Neal
I was just about to start building a set of eyebrows for my A-65.Tonight I was talking to a A&I who owns a J-3 on the field. He doesntthink that they should be necessary and said I would be lucky most daysto get to normal operating temp. Does anyone have any opinions? I haveseen Piets without them.Dick Navratil________________________________________________________________________________Date: Thu, 24 Jan 2002 23:39:01 -0600

matronics · Post by **matronics** » Thu Jan 24, 2002 11:44 pm

Original Posted By: clif

matronics · Post by **matronics** » Fri Jan 25, 2002 1:10 am

Original Posted By: "Richard Navratril"
For the A series Continental or an O-200, it is imperitive that the coolingair go from top to bottom not front to back. It might work for a year ortwo but you will pay the price in new cylinders sooner or later. Use theeyebrows exactly like those from a cub (they can be copied - ask dalejohnson) and a tray that goes along the bottom of the case to take air alongwhere the oil gathers. This air eventually will spill out at the oil sump.Look at a tcraft or any cessna 120/140/150 for a good example of the tray.The front of this tray ports to an oval hole just below the prop hub whichis easily blocked off for winter ops.Chris bobkaEAA Tech counselor----- Original Message -----

matronics · Post by **matronics** » Fri Jan 25, 2002 1:26 am

Original Posted By: clif

matronics · Post by **matronics** » Fri Jan 25, 2002 1:53 am

Original Posted By: "Michael Brusilow"
Subject: Re: Pietenpol-List: info-nacaworked for me here. http://techreports.larc.nasa.gov________________________________________________________________________________

Brodhead Pietenpol Association