Return-Path: Received: from fed1rmmtao03.cox.net ([68.230.241.36] verified) by logan.com (CommuniGate Pro SMTP 4.2.2) with ESMTP id 427496 for flyrotary@lancaironline.net; Thu, 23 Sep 2004 21:08:51 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.36; envelope-from=ALVentures@cox.net Received: from BigAl ([68.107.116.221]) by fed1rmmtao03.cox.net (InterMail vM.6.01.03.04 201-2131-111-106-20040729) with ESMTP id <20040924010820.COMK26313.fed1rmmtao03.cox.net@BigAl> for ; Thu, 23 Sep 2004 21:08:20 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Progress on the rebuild (LONG) (feedback wanted) Date: Thu, 23 Sep 2004 18:08:25 -0700 Message-ID: <000001c4a1d2$fea225e0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C4A198.5245BEE0" 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 V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C4A198.5245BEE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable =20 1) On the intake side, there are several holes that appear to be=20 water jacket holes for the intake manifold. I want to say I was told=20 these are for warming the intake manifold with hot water for emissions=20 purposes. I have yet to see an aviation intake that uses these holes.=20 Plug with JB weld or epoxy putty? =20 I don=92t recall any holes to the water jacket on my 20B (that doesn=92t = mean they weren=92t there), but the were some holes for exhaust gas recycle, = and, I think some small holes that fed intake air to the injector ports. The = new intake flange just covers them all up. =20 2) On the water pump housing where the thermostat is installed, there=20 is a tubular bypass channel that returns to the water pump intake. I=20 have read that if you remove the thermostat, this channel needs to be=20 plugged. Best method? JB? =20 1/22=94 NPT tap and a plug =20 4) On the oil injection setup, those who are using it, are you=20 constructing a linkage to connect the throttle to the injection pump for = proportional metering or is the recommended practice to go simple and=20 wire it in the full open position? =20 Just wire it a fairly high position; I have mine at about =BE of the = travel. =20 5) Anyone running a higher oil pressure relief valve on the rear=20 end housing, and any benefit to this over stock. I have read that the=20 higher pressure ones can contribute to oil burning and smoking... Same=20 question for the Racing Beat catalogue parts for the enhanced oil pump=20 they sell. =20 I have the 100 psi valve, which results in more oil flowing to cool = rotors and lube gears and bearings. I don=92t see how it could contribute to = smoking or oil burning. Is it necessary? Probably not. I don=92t know about = the RB pump, my pump was billed as a =93high output=94 pump by Atkins Rotary. =20 Al ------=_NextPart_000_0001_01C4A198.5245BEE0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

1)=A0=A0=A0 On the intake side, there are several holes that appear to be =

water jacket holes for the intake manifold. I want to say I was told =

these are for warming the intake manifold with hot water for emissions =

purposes. I have yet to see an aviation intake that uses these holes. =

Plug with JB weld or epoxy putty?

I don’t = recall any holes to the water jacket on my = 20B (that doesn’t mean they weren’t there), but the were some holes = for exhaust gas recycle, and, I think some small holes that fed intake air = to the injector ports. =A0The new intake flange just covers them all = up.

2)=A0=A0 On the water pump housing where the thermostat is installed, there =

is a tubular bypass channel that returns to the water pump intake. I =

have read that if you remove the thermostat, this channel needs to be =

plugged. Best method? JB?

1/22” = NPT tap and a plug

4)=A0=A0=A0 On the oil injection setup, those who are using it, are you =

constructing a linkage to connect the throttle to the injection pump for =

proportional metering or is the recommended practice to go simple and =

wire it in the full open position?

Just wire it = a fairly high position; I have mine at about =BE of the travel.

5)=A0=A0=A0=A0=A0 Anyone running a higher oil pressure relief valve on the rear =

end housing, and any benefit to this over stock. I have read that the =

higher pressure ones can contribute to oil burning and smoking... Same =

question for the Racing Beat catalogue parts for the enhanced oil pump =

they sell.

I have the = 100 psi valve, which results in more oil flowing to cool rotors and lube gears = and bearings. =A0I don’t see how it could contribute to smoking or oil burning.=A0 Is it necessary?=A0 Probably not.=A0 I don’t know = about the RB pump, my pump was billed as a “high output” pump by Atkins = Rotary.

Al

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