Return-Path: Sender: (Marvin Kaye) To: lml Date: Sun, 15 Sep 2002 14:19:26 -0400 Message-ID: X-Original-Return-Path: Received: from imo-r06.mx.aol.com ([152.163.225.102] verified) by logan.com (CommuniGate Pro SMTP 4.0b7) with ESMTP id 1733861 for lml@lancaironline.net; Sun, 15 Sep 2002 13:38:27 -0400 Received: from Sky2high@aol.com by imo-r06.mx.aol.com (mail_out_v34.10.) id q.ae.2d1fc71a (4328) for ; Sun, 15 Sep 2002 13:38:22 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Sun, 15 Sep 2002 13:38:22 EDT Subject: Re: [LML] Re: 320: negative Flaps, current for starting / battery X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_ae.2d1fc71a.2ab61f8e_boundary" X-Mailer: AOL 8.0 for Windows US sub 4010 --part1_ae.2d1fc71a.2ab61f8e_boundary Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable In a message dated 9/15/2002 11:17:09 AM Central Daylight Time,=20 marv@lancaironline.net writes: > That means that they travel 42 degrees > downward. In my opinion and compared to the 235 this is wrong. With the 23= 5 > flaps in most upward position ment negative flaps of 7 degrees up, and vic= e > versa that means that downward travel is 35 degrees The flap and wing of the 320 is very similar to the 235. The difference is=20 that the 320 fillet meets the flap at 7 degrees up while the 235 fillet meet= s=20 the flap at zero degrees. <> That is the wrong way to land the heavier 320. One technique is to fly onto= =20 the runway - hold some power until the wheels just touch then immediately=20 reduce to idle, holding the elevator with slight back pressure. Do NOT stal= l=20 land a 320. Another method is to fly a steeper approach but with less power= =20 then, when level just 6 inches above the runway, take off the flaps and let=20 it settle. <> A rear CG makes the 320 unstable. The battery position does not necessarily= =20 cause that proble. I use a 28 AH battery - only a few pounds lighter than=20 yours. Do you have a header tank? If so, keep it full. Are you using the=20 light MT prop? If so, get a 12 pound harmonic dampener that bolts to the=20 starter ring flywheel - it can move your CG .5 inches forward (see any Sport= =20 Aviation, Prop classifieds, Mark Landoll). It also smooths out the felt=20 engine pulses. Good Luck, Scott Krueger N92EX=20 --part1_ae.2d1fc71a.2ab61f8e_boundary Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable In a message dated 9/15/2002 11:17:09 AM Central Dayli= ght Time, marv@lancaironline.net writes:

That means that they travel 42=20= degrees
downward. In my opinion and compared to the 235 this is wrong. With the 235<= BR> flaps in most upward position ment negative flaps of 7 degrees up, and vice<= BR> versa that means that downward travel is 35 degrees


The flap and wing of the 320 is very similar to the 235.  The differenc= e is that the 320 fillet meets the flap at 7 degrees up while the 235 fillet= meets the flap at zero degrees.

<<And that is what happend on my first landing:
approaching with about 95 mph I pulled back the throttle and the aircraft stopped flying almost immediately. (It just fell down)>>

That is the wrong way to land the heavier 320.  One technique is to fly= onto the runway - hold some power until the wheels just touch then immediat= ely reduce to idle, holding the elevator with slight back pressure.  Do= NOT stall land a 320.  Another method is to fly a steeper approach but= with less power then, when level just 6 inches above the runway, take off t= he flaps and let it settle.

<<the 320 has the battery placed directly behing right seat, which giv= es=A0 the
aircraft rear center of gravity positions which makes the aircraft very
unstable>>

A rear CG makes the 320 unstable.  The battery position does not necess= arily cause that proble.  I use a 28 AH battery - only a few pounds lig= hter than yours.  Do you have a header tank?  If so, keep it full.=   Are you using the light MT prop?  If so, get a 12 pound harmonic= dampener that bolts to the starter ring flywheel - it can move your CG .5 i= nches forward (see any Sport Aviation, Prop classifieds, Mark Landoll). = ; It also smooths out the felt engine pulses.

Good Luck,

Scott Krueger
N92EX
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