Today's Message Index:
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1. 11:00 AM - Fw: Emailing: 033 (2) (Owen Baker)
2. 05:25 PM - Re: Emailing: 033 (2) (Tim Yoder)
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Subject: | Fw: Emailing: 033 (2) |
7/28/2014
Hello Tim, Thanks for the pictures and the explanation. You wrote:
1) "Looks like I cut the new notch back as far as I could."
I have contemplated this kind of modification of my flap control sectors for
some time, but have been too lazy to pursue it. Some comments / questions:
a) Your flap sectors appear to have a different shape than mine. It would
appear that Tri-R made some modifications to those sectors in later kits. My
kit is number 116.
b) My flap sectors do not have the sharp cornered forward projections with
the bottom scoop out that yours does. Any ideas what the purpose of that is?
c) Also mine do not have the slope on the aft side of the forward notch like
yours does. Was that a local modification?
d) I see that there is a split plastic tube guard over the bottom edge of
the slot. What is the purpose of that?
2) ".... helps the pitch angle on approach."
By that do you mean that you can have a lower nose attitude angle for the
same indicated airspeed by use of that additional extension of the flaps? If
so that might just be the additional motivation that I need to make that
added notch modification.
Right now I insist on keeping the far end of the runway in sight over the
nose during the approach and flare which gives me a pretty flat nose
attitude at touch down. Now with any speed less than 75 KIAS I would block
out that over the nose picture. I usually have my engine set at 1,300 RPM +
or - a bit during the approach once I am on glide slope and leave it set at
that RPM to control descent rate until touch down.
If I could still have that same over the nose picture at 70 KIAS I would
consider making that additional flap sector notch to be a worth while
modification.
OC
==========================================================
From: Tim Yoder
Sent: Monday, July 28, 2014 10:18 AM
Cc: OC Baker
Subject: Emailing: 033 (2)
Pete,
I just ran across these photos of my flap mod. Looks like I cut the new
notch back as far as I could.
OC, I mentioned this to you before. This got me 28 deg. under load and helps
the pitch angle on approach.
Tim
Message 2
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Subject: | RE: Emailing: 033 (2) |
Hi OC,
My answers are below your comments/questions below;
-----Original Message-----
From: Owen Baker [mailto:bakerocb@cox.net]
Sent: Monday, July 28, 2014 11:00 AM
Cc: TRICKEL MARK
Subject: Fw: Emailing: 033 (2)
7/28/2014
Hello Tim, Thanks for the pictures and the explanation. You wrote:
1) "Looks like I cut the new notch back as far as I could."
I have contemplated this kind of modification of my flap control sectors for
some time, but have been too lazy to pursue it. Some comments / questions:
a) Your flap sectors appear to have a different shape than mine. It would
appear that Tri-R made some modifications to those sectors in later kits. My
kit is number 116.
***These are from kit #49, I don't know what yours look like.
b) My flap sectors do not have the sharp cornered forward projections with
the bottom scoop out that yours does. Any ideas what the purpose of that is?
*** No
c) Also mine do not have the slope on the aft side of the forward notch like
yours does. Was that a local modification?
*** No, that is the way It came. I only added the last (left) notch.
I think the easy slope on the aft side of the forward notch just makes it
easier to move the handle to the first notch.?
d) I see that there is a split plastic tube guard over the bottom edge of
the slot. What is the purpose of that?
*** good observation, I forgot I did that. I was noticing that in
flight the roll pin wasn't moving smoothly, galling, due to pushing the
release button hard because of the flight load on the flaps. When the
plastic tubes wore out and it started again so I took a closer look and saw
that the roll pin slot was oriented down, you cannot see it in the photo but
it is, so I turned the roll pin horizontally and fix that problem.
2) ".... helps the pitch angle on approach."
By that do you mean that you can have a lower nose attitude angle for the
same indicated airspeed by use of that additional extension of the flaps? If
so that might just be the additional motivation that I need to make that
added notch modification.
*** Yes, The pitch angle noticeably increases when I go to the last
notch. On the ground I get the recommended 28 deg. After lifting the
trailing edge of the flaps in order to remove the slop in the system.
Right now I insist on keeping the far end of the runway in sight over the
nose during the approach and flare which gives me a pretty flat nose
attitude at touch down. Now with any speed less than 75 KIAS I would block
out that over the nose picture. I usually have my engine set at 1,300 RPM +
or - a bit during the approach once I am on glide slope and leave it set at
that RPM to control descent rate until touch down.
*** My procedure is much like yours with similar numbers, I almost
always have someone with me and my field elevation is 1400' also, I sit very
tall in the cockpit. And I doubt that I an as good a pilot as you so it is
hard to compare.
If I could still have that same over the nose picture at 70 KIAS I would
consider making that additional flap sector notch to be a worth while
modification.
*** I only did the mod because I wanted to get the book recommended
28 deg's. and I was glad I did it. I think it was Scott Stearns that
recommended trying to get mire than 28 deg. I would if I had the extra room.
I hope this helps, Tim
OC
==========================================================
From: Tim Yoder
Sent: Monday, July 28, 2014 10:18 AM
Cc: OC Baker
Subject: Emailing: 033 (2)
Pete,
I just ran across these photos of my flap mod. Looks like I cut the new
notch back as far as I could.
OC, I mentioned this to you before. This got me 28 deg. under load and helps
the pitch angle on approach.
Tim
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