X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1008082 for flyrotary@lancaironline.net; Mon, 20 Jun 2005 16:59:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.65; envelope-from=13brv3@bellsouth.net Received: from ibm57aec.bellsouth.net ([65.6.194.9]) by imf17aec.mail.bellsouth.net with ESMTP id <20050620205814.UPUD2424.imf17aec.mail.bellsouth.net@ibm57aec.bellsouth.net> for ; Mon, 20 Jun 2005 16:58:14 -0400 Received: from rd ([65.6.194.9]) by ibm57aec.bellsouth.net with ESMTP id <20050620205813.JHWR25470.ibm57aec.bellsouth.net@rd> for ; Mon, 20 Jun 2005 16:58:13 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Fuel Injector Position Date: Mon, 20 Jun 2005 15:58:13 -0500 Message-ID: <000301c575da$c66930b0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0004_01C575B0.DD9328B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0004_01C575B0.DD9328B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable If you always operate the throttle slowly, (like in an airplane) this is not an issue. Hi Bill, =20 Your description of the problem is right on, and that's exactly how it worked when I had my 30" long intake with all the injectors at the end. = The throttle response was horrid, as in dangerous. =20 =20 IF you never had to operate the throttle quickly in a plane, it wouldn't = be a problem, but there are times when you need quick response. One = example would be on a botched landing (so I've heard ), where you get a good bounce. Often it takes a significant shot of power to arrest the next bounce, and it needs to be NOW. I only flew the long intake a few hours because it was just that bad, and any bounced landing would have ended = up in damage to the plane. =20 =20 All that being said, it doesn't mean the injector has to be an inch from = the engine either. I've had intakes with the injectors about 12 inches = away, and they worked fine. =20 =20 Cheers, Rusty =20 ------=_NextPart_000_0004_01C575B0.DD9328B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

        If you = always operate=20 the throttle slowly, (like in an airplane) this is
not an = issue.

Hi=20 Bill,
 
Your = description of the=20 problem is right on, and that's exactly how it worked when I had my 30" = long=20 intake with all the injectors at the end.  The throttle response = was=20 horrid, as in dangerous. 
 
IF you never had to operate the = throttle=20 quickly in a plane, it wouldn't be a problem, but there are times when = you need=20 quick response.  One example would be on a botched landing (so I've = heard=20 <g>), where you get a good bounce.  Often it takes = a=20 significant shot of power to arrest the next bounce, and it needs = to be=20 NOW.  I only flew the long intake a few hours because it was just = that bad,=20 and any bounced landing would have ended up in damage to the = plane. =20
 
All that being said, it doesn't = mean the=20 injector has to be an inch from the engine either.  I've had = intakes with=20 the injectors about 12 inches away, and they worked fine.  =
 
Cheers,
Rusty
       
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