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Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2750733 for flyrotary@lancaironline.net; Tue, 18 Nov 2003 21:38:37 -0500 Received: from rad ([68.212.10.137]) by imf16aec.mail.bellsouth.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20031119023836.KKUX1876.imf16aec.mail.bellsouth.net@rad> for ; Tue, 18 Nov 2003 21:38:36 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] gauges Date: Tue, 18 Nov 2003 20:41:27 -0600 Message-ID: <025e01c3ae46$a1916530$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_025F_01C3AE14.56F6F530" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_025F_01C3AE14.56F6F530 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I remember Rusty saying he wanted a boost gauge that showed vacuum. I'm about to order a boost gauge and I'm unsure what calibration I'm going = to need. Do I need vacuum? Should I be looking for a MP gauge calibrated in inches of mg, or in PSI. Does it matter?=20 =20 Hi John. I won't argue with what Marvin said (or he'll throw me off the list ). If I could only have one gauge, it would certainly be a MAP gauge, in inches of hg. I'll have that with the EM-2, in only a matter = of a couple weeks now (he says while salivating on the keyboard). =20 =20 I would get a gauge that goes up to at least 40", especially if you = still plan to use the stock turbo. From everything I can tell, you'll need = that much boost to break even with the stock turbo. =20 =20 If you can have two gauges, it's useful to have a "normal" (for car = folks) vacuum/pressure gauge. This shows you how much work the turbo is doing relative to the pressure outside. Now, it isn't essential, because you = can figure all this out without it, but it's nice to be able to directly = read this info off a gauge. I'll certainly be keeping my vacuum/pressure = gauge even after the EM-2 is installed. I won't really have a use for the = vacuum part of the gauge then, but there's no point in having the needle sit against the stop, when it could be showing real information. =20 =20 Anyone getting an EM2 want to sell me their used stuff?=20 =20 I can't believe you bailed on the EM-2. I'm number one then I guess :-) Sorry, but I'm planning to keep my current "temporary" gauges, since = I'll likely be pursuing a single rotor project in the near future. I sure = would like to win the lottery so I'd have time for all these projects :-) =20 Rusty =20 PS- John, I won't be coming to Delray this week after all. =20 ------=_NextPart_000_025F_01C3AE14.56F6F530 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

I remember = Rusty saying=20 he wanted a boost gauge that showed vacuum. I'm about to order a = boost=20 gauge and I'm unsure what calibration I'm going to need. Do I need = vacuum?=20 Should I be looking for a MP gauge calibrated in inches of mg, or in = PSI. Does=20 it matter?

Hi John. I won't=20 argue with what Marvin said (or he'll throw me off the list = <g>). If=20 I could only have one gauge, it would certainly be a MAP gauge, in = inches=20 of hg. I'll have that with the EM-2, in only a = matter of a=20 couple weeks now (he says while salivating on the=20 keyboard).

I would get a gauge that goes = up to at=20 least 40", especially if you still plan to use the stock turbo. = From=20 everything I can tell, you'll need that much boost to break even with = the stock=20 turbo.

If you can = have two gauges,=20 it's useful to have a "normal" (for car folks) vacuum/pressure = gauge. =20 This shows you how much work the turbo is doing relative to the = pressure=20 outside. Now, it isn't essential, because you can figure all this=20 out without it, but it's nice to be able to directly read this = info=20 off a gauge. I'll certainly be keeping my vacuum/pressure gauge = even after=20 the EM-2 is installed. I won't really have a use for the = vacuum part=20 of the gauge then, but there's no point in having the needle sit against = the=20 stop, when it could be showing real=20 information.

Anyone = getting an EM2=20 want to sell me their used stuff?

I can't = believe you bailed=20 on the EM-2. I'm number one then I guess :-) = Sorry, but=20 I'm planning to keep my current "temporary" gauges, = since=20 I'll likely be pursuing a single rotor project in the near future. = I sure=20 would like to win the lottery so I'd have time for all these = projects=20 :-)

Rusty

PS- John, I = won't be coming=20 to Delray this week after all.=20

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