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“handle at the top of the canopy
frame”
Great idea that should be on everybody’s
LNC2.
Jim
From: Lancair Mailing
List [mailto:lml@lancaironline.net] On Behalf
Of Chris Zavatson
Sent: Thursday, February 27, 2014
7:56 AM
To: lml@lancaironline.net
Subject: [LML] Re: Legacy canopy
latch setup
I've been
following this Legacy canopy discussion mostly out of curiosity.
When a good friend dropped in with his Legacy, I had a look at the
latches. I took a photo of both the Legacy and 360 latches in the
locked position for comparison. Assuming both aircraft were properly
constructed and adjusted, I found the 360 latches to have a much more
'positive' engagement with the stricker. By that I mean the latches end
with a much steeper and secure angle against the stricker. -see
attached.
Regarding
flying qualities with an open canopy, the 360 has also had greatly varied
reports ranging from uncontrollable to non-event. I am curious if PIO
played a roll in any of the flights that didn't end well.
Also, I like
having the ability to pull down on my canopy just prior to latching
it. I realize a handle at the top of the canopy frame is not
standard, but perhaps it should be.
On
Wednesday, February 26, 2014 7:31 AM, Leighton Mangels
<leighton@teleport.com> wrote:
Done
right the latching mechanism on the Legacy works very well. That said,
it's important to adjust the latches so that both sides are working
equally. When setting them up I do one side at a time by
disconnecting the linkage at the crossover tube on one side and adjusting the
other side. Then reverse the process for the other one. To check it
out I put a piece of masking tape on the latch fingers on both sides and close
and latch the canopy. If both side are working equally there will be
evidence on the tape. It's possible to have it appear that all's well
when you latch the canopy but only one latch is doing all the work. It's
worth the effort to assure both sides are contributing equally to the
latching. With the canopy up and the latch lever lowered the fingers
should move down and then slightly back up when fully latched. This
assures the overcenter function is correct. By the way, Josh Brungardt
told me once that a Legacy will fly fine with the canopy open but the
problem is that distracted pilots forget the most important rule: fly the
plane, fly the plane, fly the plane!
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