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Kent's Long-EZ project


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#181 Kent Ashton

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Posted 27 August 2017 - 10:05 AM

I find that oil coolers must be almost entirely blocked off in the winter to get the oil temp up to the desired 180F.  Here's a mechanism I made for adjusting the door on my EZ oil cooler and a different style door on the Cozy.  There are probably better ways to do it but you will likely need something that is adjustable.  The EZ door adjusts by a screwing a nut sticking out of the opening.  The Cozy door slides.

 

One time I flew a cross country without opening the Cozy door enough.  The oil cooler got hot, melted the plastic gear on the vacuum pump nearby and I lost my vacuum instruments!  :-(

 

Also, my kit for bleeding brakes.  Suck the old fluid out of the reservoir with the syringe and pump the new fluid in from the bottom.  Takes about 30 pumps per side with this rig.  The wood piece keeps the pump from turning over.

 

 

Attached Thumbnails

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-Kent
Cozy IV N13AM-650 hrs, Long-EZ-55 hrs


#182 Kent Ashton

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Posted 27 August 2017 - 10:27 AM

A very interesting EZ website by Phil Camarda.  Worth a look.   http://www.longezpilot.com/index.htm


-Kent
Cozy IV N13AM-650 hrs, Long-EZ-55 hrs


#183 Barry

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Posted 27 August 2017 - 06:29 PM

Thanks for the link, interesting, not a site that I had stumbled across yet.

 

Just FYI, I went up to a sailplane club this afternoon, spoke to a couple people. I knew it would be too late to fly today when I went. I'll go back next weekend and weather permitting get up in the air.



#184 Kent Ashton

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Posted 21 September 2017 - 10:46 AM

Just reading a discussion on the VansAirforce site that reminded me I didn't have a way to monitor my aux battery voltage which is nice to know with an all-electric airplane.   See Lightspeed's suggested circuit (pic 1); it has a voltage meter but as long as the main battery or alternator are feeding the aux, there is no way to monitor the aux battery alone.  Here is a way the Vans folks suggest, using an ordinary 5-pin auto relay and a push button.  These little voltmeters are all over Ebay.  I stuck one to the panel with mounting tape.  And a pic of how it went in the nose (pic 3)

 

The 4th pic is an idea for setting the clearance between the Hall chips on the Lightspeed trigger ring and the flywheel.  The dimensions of the jig are obtained by measuring the depth of the flywheel and adding the desired gap.

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-Kent
Cozy IV N13AM-650 hrs, Long-EZ-55 hrs


#185 Kent Ashton

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Posted 21 September 2017 - 04:05 PM

I guess it's my day to post pics.  I was just talking to my buddy in France who needs wheel pants but shipping and excise taxes to France are outrageous.

 

Here are some scratch-built wheel pants.  I used a pleasing shape from "Theory of Wing Sections", scaled it to fit over the tire and brake, glued up some 2" house foam, cut it, sanded to a pleasing shape and glassed and filled it to make the plug.  This is no small task but my friend has an old wheel pant he can use for a plug.  I used the plug to make two molds.  On one side, I applied a gelcoat, the other side no, hence the two colors.  The molds were made from polyester resin and chopped boat cloth.  That resin gets hard pretty fast but it made good strong molds about 1/4" thick.  Wax, wax, waxed the molds and layup 2 layers of BID in the molds.  Two BID turned out to be rather flexible so I added some reinforcing ribs that stiffened them quite a bit.

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Edited by Kent Ashton, 21 September 2017 - 04:09 PM.

-Kent
Cozy IV N13AM-650 hrs, Long-EZ-55 hrs


#186 Kent Ashton

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Posted 21 September 2017 - 04:08 PM

more pics

Attached Thumbnails

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-Kent
Cozy IV N13AM-650 hrs, Long-EZ-55 hrs


#187 Voidhawk9

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Posted 22 September 2017 - 08:30 PM

Looks good. I have wondered why I do not see more lightweight cowls made with stiffening ribs that way, instead of just adding more glass overall.


Aerocanard (modified) SN:ACPB-0226 (Chapter 6)

Canardspeed.com (my build log and more)
X-plane (Flight simulator) Flight Model Master: X-Aerodynamics

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