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George Haeh wrote on 11/20/2020 3:30 PM:
There's talk the early 27s didn't have significant carbon fiber in the nose cone.

That the PowerFLARM range analysis with a single glareshield antenna in my later build 27 shows poor coverage convinces me there's carbon fiber below. Visual examination shows lots of black stuff in the nose cone.

My friend with an ASW27A agrees, saying he has fiberglass, but the ASW27B, 28, and 29 all have
carbon in the nose. Too bad - the nose mounting was easy and effective. My next glider is
supposed to have a Flarm antenna in the fin, so I'm hoping that's all it will need. So, with
Flarm, transponder, and com antennas in the tail, it might be a very busy electromagnetic
nightmare!

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to email me)
- "A Guide to Self-Launching Sailplane Operation"
https://sites.google.com/site/motorg...ad-the-guide-1

On 11/20/2020 7:18 PM, Eric Greenwell wrote:
My next glider is supposed to have a Flarm antenna in the fin...

Make sure they install the antenna for USA frequency!
Iff that glider ever gets built...

On 11/20/20 3:39 PM, Eric Greenwell wrote:
George Haeh wrote on 11/20/2020 1:42 PM:
"I think my experience would apply to almost any Schleicher glider -
they all use essentially
the same fuselage, starting with the ASW24, which do not have carbon
in the nose."

The fuselage mold may be the same, but the layup in newer gliders is
carbon fiber.

I found a major improvement in range when I moved from a single
antenna over the glareshield to dual antennas on the canopy sides of
my ASW-27.

I did Range Analysis on six installations and documented the results
in the 2019 Free Flight. Look for Antenna Placement:

http://sac.ca/index.php/en/free-flig...ight-vol-libre


Are you certain the ASW27 has carbon fiber in the nose (the area besides
the pilot's feet)? It was designed at the same time as the ASH26E, which
doesn't have any carbon in that area. Same question for the ASW28,
ASG29, etc - I'm wondering when/if the addition of carbon in the nose
began.



The '31Mi is all carbon up in the nose.