X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.25.9.102] verified) by logan.com (CommuniGate Pro SMTP 5.1.1) with ESMTP id 1515818 for flyrotary@lancaironline.net; Mon, 30 Oct 2006 20:57:39 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-096-206.carolina.res.rr.com [24.74.96.206]) by ms-smtp-03.southeast.rr.com (8.13.6/8.13.6) with SMTP id k9V1vFbG002826 for ; Mon, 30 Oct 2006 20:57:17 -0500 (EST) Message-ID: <000b01c6fc8f$ea373f90$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] FW: Velocity 20B update Date: Mon, 30 Oct 2006 20:57:26 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01C6FC66.010B4F60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C6FC66.010B4F60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sounds like things are going well, Al. Must really hurt to think of = taking a saw to that front canard. Sounds like those three rotors = really move your bird along. Now that Tracy has his 20B running, I = would hazard a guess that you may be seeing some real-world information = on the three rotor soon in terms of refinement to the EC2 algorithms for = it. Tough to optimize an EC2 for a three rotor without having one to = play with - which Tracy now does {:>). Ed (Finally flying again) Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.dmack.net/mazda/index.html ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Monday, October 30, 2006 2:37 PM Subject: [FlyRotary] FW: Velocity 20B update Just to let you know that flight testing is continuing, and we've just = passed 15 hours of flight time. Overall, the plane and engine are doing = fine. Things are trimmed out now for straight and true handling. The = remaining issue is too much canard lift, even after reducing incidence = by a bit over 1 degree. It limits high speed end (run out of elevator to = keep it from climbing), and requires pretty hot landing (over the fence = at 90 KIAS). The consensus of the experts is to shorten the canard (cut = about 4" sections out of both sides). Ouch!!=20 I am very pleased with the operation of the 3-rotor rotary engine - in = spite of few glitches still with the ECU, apparently some sort of = electrical noise issue. It starts easily hot or cold, runs smooth, = plenty of power, and easy one-lever operation. Haven't established top = end yet, but did get up to about 205 KTAS (175 KIAS at DA of close to = 10,000 ft), and there was still some to go. After gear up on takeoff = the VSI strip pegs out at 1000 fpm with close to 2100 # total weight. If = you want fast descent; gear down, power off (no worries about shock = cooling), and push both rudders out. Nice high controlled sink rate. No good data yet on fuel burn. I think it was calibrated fairly = close, and read about 13 gph at about 160 indicated, but then the EM2 = suddenly started reading about half that number, and I haven't figured = that out yet. Lots of work and testing left to do. Al ------=_NextPart_000_0008_01C6FC66.010B4F60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Sounds like things are going well, Al.  = Must really=20 hurt to think of taking a saw to that front canard.  Sounds like = those=20 three rotors really move your bird along.  Now that Tracy has his = 20B=20 running, I would hazard a guess that you may be seeing some real-world=20 information on the three rotor soon in terms of refinement to the EC2 = algorithms=20 for it.  Tough to optimize an EC2 for a three rotor without having = one to=20 play with - which Tracy now does {:>).
 
Ed (Finally flying again)
 
Ed Anderson
Rv-6A N494BW Rotary = Powered
Matthews,=20 NC
eanderson@carolina.rr.comhttp:/= /members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda= /index.html
 
 
----- Original Message -----
From:=20 Al = Gietzen=20
Sent: Monday, October 30, 2006 = 2:37=20 PM
Subject: [FlyRotary] FW: = Velocity 20B=20 update

Just to let you know = that flight=20 testing is continuing, and we=92ve just passed 15 hours of flight = time. =20 Overall, the plane and engine are doing fine.  Things are trimmed = out now=20 for straight and true handling. The remaining issue is too much=20 canard = lift, even=20 after reducing incidence by a bit over 1 degree. It limits high speed end (run out of elevator = to keep it=20 from climbing), and requires pretty hot landing (over the fence at 90=20 KIAS). The consensus of the experts is to shorten the canard (cut = about 4=94=20 sections out of both sides).  Ouch!! 

 

I am very pleased with = the=20 operation of the 3=96rotor rotary engine =96 in spite of few glitches = still with=20 the ECU, = apparently some sort of = electrical=20 noise issue.  It starts easily hot or cold, runs = smooth,=20 plenty of power, and easy one-lever operation. Haven=92t established = top end=20 yet, but did get up to about 205 KTAS (175 KIAS at DA of close to = 10,000=20 ft), = and there was still some to = go.  After gear up on takeoff the VSI strip pegs = out at=20 1000 fpm with close to 2100 # total weight. If you want fast descent; = gear=20 down, power off (no worries about shock cooling), and push both = rudders out.=20 Nice high controlled sink rate.

 

No good = data yet=20 on fuel burn.  I think it was calibrated fairly close, and read = about 13=20 gph at about 160 indicated, but then the EM2 suddenly started reading = about=20 half that number, and I haven=92t figured that out = yet. =20 Lots of work and = testing left to=20 do.

 

Al

 

 

 

 

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