X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [216.148.248.31] (HELO enrwcap002.ent.textron.com) by logan.com (CommuniGate Pro SMTP 5.1c.4) with ESMTP id 1406006 for flyrotary@lancaironline.net; Sat, 16 Sep 2006 13:02:47 -0400 Received-SPF: none receiver=logan.com; client-ip=216.148.248.31; envelope-from=JHutchison2@bellhelicopter.textron.com Received: by bhdfwex110.bh.textron.com with Internet Mail Service (5.5.2658.27) id ; Sat, 16 Sep 2006 11:58:29 -0500 Message-ID: <3CAB2FE6D4255949A25157F5D666E623047DCA61@bhdfwex103.bh.textron.com> From: "Hutchison, Jason" To: 'Rotary motors in aircraft' Subject: RE: [FlyRotary] Re: [FlyRotary]Update on my project Date: Sat, 16 Sep 2006 11:58:28 -0500 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2658.27) Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C6D9B1.550B680C" This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C6D9B1.550B680C Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Tracy, I will take some measurements tonight. I dropped the bottom of the stock(right cowl) inlet about an 1 to 1 =BC. I did verify timing marks = lined up with the counter weight at the 9 o'clock position. I have not = checked it with a timing light. After playing with it a little more I noticed the = rpm does not change after the third click of timing advance. Static rpm = changed from 4800 rpm to 53-5400 rpm.=20 =20 Jason =20 =20 =20 =20 _____ =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Crook Sent: Saturday, September 16, 2006 9:13 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: [FlyRotary]Update on my project =20 Wow! That's a great improvement on water cooling Jason. Gives me hope = that my 20B will cool since my radiator & duct setup on the RV-8 is similar. = (I have the thicker version of the Griffon Rad that Jason is using) What = is the total Sq in. on rad inlet now? =20 Did you ever get a ball park figure on actual running ignition timing = on the 3rd gen 13B? I'll be glad to update the software at no cost if you = need more advance. =20 =20 Tracy ----- Original Message -----=20 From: Hutchison, Jason = To: Rotary motors in aircraft =20 Sent: Saturday, September 16, 2006 9:00 AM Subject: [FlyRotary] Re: [FlyRotary]Update on my project =20 =20 =20 Project status report=20 =20 I recently modified my intake manifold. I added 10 inches of runner and velocity stacks. The other project was increasing the opening to my radiator. I increased the opening approx. six square inches. I also = advanced the timing 3 "clicks". =20 I was able to test Thursday afternoon. Outside air temp was 94 degrees. = Full power climb to 2000 msl and water temp was below 200 degrees. Reduced = power to 5600rpm and water slowly come down to 185 degrees. Climbed to 8000' = and did a couple of speed runs. I was able to turn the engine at 6700 rpm = and that gave me 165 KTAS (Dynon). I was only able to do two runs. The = numbers were consistent on both runs. My gps was showing 180kts ground speed on = the second. I forgot to look on the first. Going out this afternoon so I = will keep ya'll posted. =20 Jason Hutchison =20 ------_=_NextPart_001_01C6D9B1.550B680C Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Tracy,

=A0I will take some measurements = tonight. I dropped the bottom of the stock(right cowl) inlet about an 1 to 1 =BC. = I did verify timing marks lined up with the counter weight at the 9 o'clock position. I have not checked it with a timing light. After playing with = it a little more I noticed the rpm does not change after the third click of = timing advance. Static rpm changed from 4800 rpm to 53-5400 rpm. =

=

Jason = =A0

=

=

=

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Crook
Sent: Saturday, = September 16, 2006 9:13 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: [FlyRotary]Update on my project

Wow! That's = a great improvement on water cooling Jason. Gives me hope that my 20B = will cool since my radiator & duct setup on the RV-8 is similar. (I = have the thicker version of the Griffon Rad that Jason is using) What is the = total Sq in. on rad inlet now?

Did you ever = get a ball park figure on actual running ignition timing on the 3rd gen 13B? I'll be glad to update the software at no cost if you = need more advance.

Tracy

----- Original Message ----- =

From: Hutchison, = Jason

To: Rotary motors in = aircraft

Sent: Saturday, September 16, 2006 9:00 = AM

Subject: [FlyRotary] Re: [FlyRotary]Update on my = project

Project status report =

I recently modified my intake = manifold. I added 10 inches of runner and velocity stacks. The other project was = increasing the opening to my radiator. I increased the opening approx. six square = inches. I also advanced the timing 3 = "clicks".

I was able to test Thursday = afternoon. Outside air temp was 94 degrees. Full power climb to 2000 msl and water = temp was below 200 degrees. Reduced power to 5600rpm and water slowly come = down to 185 degrees. Climbed to 8000' and did a couple of speed runs. I was = able to turn the engine at 6700 rpm and that gave me 165 KTAS (Dynon). I was = only able to do two runs. The numbers were consistent on both runs. My gps was = showing 180kts ground speed on the second. I forgot to look on the first. = Going out this afternoon so I will keep ya'll = posted.

Jason Hutchison =

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