X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost04.isp.att.net ([204.127.217.104] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6654780 for flyrotary@lancaironline.net; Fri, 27 Dec 2013 09:58:22 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.217.104; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-106-151.mco.bellsouth.net[98.85.106.151]) by isp.att.net (frfwmhc04) with SMTP id <20131227145746H0400aok97e>; Fri, 27 Dec 2013 14:57:47 +0000 X-Originating-IP: [98.85.106.151] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] First Flight N89SE Date: Fri, 27 Dec 2013 09:57:55 -0500 Message-ID: <0ED2A0DBB4444FBBAD33648E85FA1DD2@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0025_01CF02EA.1E33D570" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Ac8Czk53glRa4T6oQ6yfRv36GZKjeAARNkog X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_0025_01CF02EA.1E33D570 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Congratulations on your first flight! Many more to come! I think you will find that the roughness when you pull the throttle is due to the engine going lean when at low manifold pressure and high rpm. That is an area that you can not tune on the ground and my experience has been that a lot if richening is required on the MAP table in this area. You can test this theory by using the mixture knob when it happens. Keep us informed! Where can we see the video? Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of shipchief@aol.com Sent: Friday, December 27, 2013 1:38 AM To: Rotary motors in aircraft Subject: [FlyRotary] First Flight N89SE December 26, 2013 marks the first flight of N89SE. My 13BT powered RV-8, with Tracy Crook EC-2, EM-3 and RD-1a took to the air (slipped the surly bonds of earth!) in the perfect conditions of late afternoon, no wind, temps in the high 30s. Sun at my back for take off and landing. The 13BT ran perfectly during high speed taxi testing, so I surprised myself this time when I didn't pull the throttle at .7 take off speed. Within 5 seconds of adding take-off power, it floated into the air and climbed out briskly. The RV-8 performed flawlessly, the engine did too. Smooth steady power from take off thru crosswind and into downwind, where power reduction was controlled and smooth. 1/2 flaps were added about 2/3 of downwind and power reduced again on base & final, where the engine seemed to sound a little rough with essentially no-load, but small additions of throttle provided reassurance of available power. A high approach required some slipping to bring it down, and a smooth landing. However, I must have been 'covering the brakes' a little too well, the video shows a little tire squeaking and puffs of tire smoke on initial contact. (oops!) Left hand turning propeller is a little different! not difficult, but caught my attention. You know this 'intellectually' but still, the first time required a few adjustments. Ernest; I'm saddened by the news that you must sell your Delta. I hope something can be worked out so you could continue, but if you must turn a new chapter in your life, I hope you get a good offer. ------=_NextPart_000_0025_01CF02EA.1E33D570 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Congratulations on your first flight!  Many more to come!

I think you will find that the = roughness when you pull the throttle is due to the engine going lean when at low = manifold pressure and high rpm.  That is an area that you can not tune on = the ground and my experience has been that a lot if richening is required on = the MAP table in this area.  You can test this theory by using the = mixture knob when it happens.  Keep us = informed!

 

Where can we see the = video?

 

Bill B

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of shipchief@aol.com
Sent: Friday, December = 27, 2013 1:38 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] = First Flight N89SE

 

December 26, 2013 marks the first = flight of N89SE. My 13BT powered RV-8, with Tracy Crook EC-2, EM-3 and RD-1a = took to the air (slipped the surly bonds of earth!) in the perfect conditions of = late afternoon, no wind, temps in the high 30s. Sun at my back for take off = and landing.

The 13BT ran perfectly during high = speed taxi testing, so I surprised myself this time when I didn't pull the = throttle at .7 take off speed. Within 5 seconds of adding take-off power, it = floated into the air and climbed out briskly. The RV-8 performed flawlessly, the = engine did too. Smooth steady power from take off thru crosswind and into = downwind, where power reduction was controlled and smooth. 1/2 flaps were added = about 2/3 of downwind and power reduced again on base & final, where the = engine seemed to sound a little rough with essentially no-load, but small additions of throttle provided reassurance of available power. A high approach = required some slipping to bring it down, and a smooth landing. However, I must have = been 'covering the brakes' a little too well, the video shows a little tire squeaking and puffs of tire smoke on initial contact. = (oops!)

Left hand turning propeller is a = little different! not difficult, but caught my attention. You know this 'intellectually' but still, the first time required a few = adjustments.

Ernest;

I'm saddened by the news that you = must sell your Delta. I hope something can be worked out so you could = continue, but if you must turn a new chapter in your life, I hope you get a good = offer.

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