X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=UschDK4B c=1 sm=1 tr=0 a=2Ntj8PE4bkEX2ZZ3+4RpbQ==:117 a=5Xd/Jon66wq1McQVNKFZZQ==:17 a=KGjhK52YXX0A:10 a=JHtHm7312UAA:10 a=B51Z6MqnjM4A:10 a=DAwyPP_o2Byb1YXLmDAA:9 a=Ia-xEzejAAAA:8 a=y1BBXd_fAAAA:8 a=6wpA4Fq-AAAA:8 a=o2QoyYduAAAA:8 a=j0H6l2l8_hqgIX5VLCAA:9 a=79vUtcU-IIASCyas:21 a=SevT4ABTcddGjoVf:21 a=QEXdDO2ut3YA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=xIozMkUz-R4KQuzDyskA:9 a=XwS2K1Wbe1z6PFQU:21 a=Mj82Ywl4uhn-6qYd:21 a=Bwx-7Lm0FL_o8UsS:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=Gg1WIDknCKb26pTtnjYt:22 a=kRgxhnY_DRINYC2-tCGn:22 a=S50rnUa8yRbNnh2hyxzf:22 From: "Joseph Berki jskmberki@windstream.net" Received: from mail.windstream.net ([69.168.106.36] verified) by logan.com (CommuniGate Pro SMTP 6.2.9) with ESMTPS id 11883451 for flyrotary@lancaironline.net; Fri, 16 Nov 2018 10:54:38 -0500 Received-SPF: pass receiver=logan.com; client-ip=69.168.106.36; envelope-from=jskmberki@windstream.net Return-Path: DKIM-Signature: v=1; a=rsa-sha1; d=windstream.net; s=20180222; c=relaxed/simple; q=dns/txt; i=@windstream.net; t=1542383660; h=From:Subject:Date:To:MIME-Version:Content-Type; bh=m108MUcHqcysSXge2yO2JjMnL9I=; b=rUNG5sWDBxlWCXop6pups9fLi54LGvpzUgjZ7YvF5DpRdi+KBSNbwP/959jdDH0/ C1q+R34EADS6wI4m7B8eUuOXEjZzNfIbethogwQa/Go403x6Qs4B7vuJiogMpHlM 4ARo4ra+xiOHrv+DngSmy4tQfIsZJNkuO1T7MDQhi2hQIXV7/5q7JLDllFG3ib/P 7qs3uNOLsUiqbw4EsIQfXl0CbwXJgWkZPW6vkJUyBEJNiX0qtgSoyTdJpHYdQ0/W fi3LBz8R2mgZAzHIrUyMzYHHwFTjdFQvT5VBkmPdfjl1eRKe+eOI7J/0hAiWn+jW zm9+mbrw8c53aLETjJtdKQ==; X_CMAE_Category: , , X-CNFS-Analysis: v=2.2 cv=PvbRVEE3 c=1 sm=1 tr=0 a=5Xd/Jon66wq1McQVNKFZZQ==:117 a=5Xd/Jon66wq1McQVNKFZZQ==:17 a=KGjhK52YXX0A:10 a=JHtHm7312UAA:10 a=B51Z6MqnjM4A:10 a=DAwyPP_o2Byb1YXLmDAA:9 a=Ia-xEzejAAAA:8 a=y1BBXd_fAAAA:8 a=6wpA4Fq-AAAA:8 a=o2QoyYduAAAA:8 a=j0H6l2l8_hqgIX5VLCAA:9 a=79vUtcU-IIASCyas:21 a=SevT4ABTcddGjoVf:21 a=QEXdDO2ut3YA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=xIozMkUz-R4KQuzDyskA:9 a=XwS2K1Wbe1z6PFQU:21 a=Mj82Ywl4uhn-6qYd:21 a=Bwx-7Lm0FL_o8UsS:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=Gg1WIDknCKb26pTtnjYt:22 a=kRgxhnY_DRINYC2-tCGn:22 a=S50rnUa8yRbNnh2hyxzf:22 X-CM-Score: 0 X-Scanned-by: Cloudmark Authority Engine X-Authed-Username: anNrbWJlcmtpQHdpbmRzdHJlYW0ubmV0 Authentication-Results: smtp02.aqua.bos.sync.lan smtp.user=jskmberki@windstream.net; auth=pass (LOGIN) Received: from [173.190.187.195] ([173.190.187.195:51661] helo=DESKTOP7BC15I2) by mail.windstream.net (envelope-from ) (ecelerity 3.6.25.56547 r(Core:3.6.25.0)) with ESMTPA id 7E/D4-25520-C28EEEB5; Fri, 16 Nov 2018 10:54:20 -0500 To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Fuel pump Date: Fri, 16 Nov 2018 10:54:13 -0500 Message-ID: <001201d47dc4$9f823680$de86a380$@windstream.net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01D47D9A.B6AD8E10" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIgwE9aGT5BMlQHtTXFoFTHXBn4iqS6CEkQ Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_0013_01D47D9A.B6AD8E10 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Charlie, =20 Thanks, just ordered 2 40108s from Spruce. =20 Joe Berki =20 From: Rotary motors in aircraft =20 Sent: Friday, November 16, 2018 10:09 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Fuel pump =20 Hi Joe, =20 My advice is to not even dream of using injection pumps with a carb. = Even the small ones can pump around 40 gph at 40 psi. If you put a 6psi = regulator on them they might pump twice that. Total waste of energy, at = best. Around 6A current draw (or more) for an injection pump, and a = regular low pressure pump is far less than 1/2 that. =20 Here's what you need (a pair of them): http://www.vansaircraft.com/cgi-bin/store.cgi?ident=3D1542379986-20-345 = = &browse=3Dengines&product=3Dpump-carb =20 Note that you don't have to purchase from Van's A/C; they are available = almost everywhere. Just be sure you get that model: 40108, If you're = going to use AN fuel lines. It has -6 AN fittings on the pump. It's also = configured to pass fuel when turned off (a good thing), and it won't = backflow fuel if pressurized in the wrong direction (even though the = spec sheet says that it doesn't have a built-in check valve). You can = plumb a pair in series (much simpler) or in parallel. There are other = Facet models that have 1/8" or 1/4" pipe threads, if you want to use = hose instead of AN hardware, but AN hardware isn't that difficult to = make up, and it'll be there forever. If you do go for hose fittings, = just be sure that the pump you select does *not* have an antisiphon = valve, and the pressure is what you want. (7psi is at the far upper = limit of most carbs.) Here's the link to the Facet 'cube pump' models: https://www.facet-purolator.com/tech-information/ =20 Charlie =20 On Fri, Nov 16, 2018 at 8:42 AM Joseph Berki jskmberki@windstream.net = > wrote: I have 2 electric pumps set up for fuel injection with a regulator and a = return line to the tank. I will be using a carb instead of EFI. What is the best approach, = change out the high pressure pumps for units designed for lower = pressures or get a regulator that can drop the pressure to 4 to 7 psi = for the carb? If the pumps need to be change any suggestions for a = reliable pump? Thanks for any help. Joe Berki Limo EZ=20 13b P Port ------=_NextPart_000_0013_01D47D9A.B6AD8E10 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Charlie,

 

Thanks, just = ordered 2 40108s from Spruce.

 

Joe = Berki

 

From: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Sent: Friday, November = 16, 2018 10:09 AM
To: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: = Fuel pump

 

Hi = Joe,

 

My advice is to not = even dream of using injection pumps with a carb. Even the small ones can = pump around 40 gph at 40 psi. If you put a 6psi regulator on them they = might pump twice that. Total waste of energy, at best. Around 6A current = draw (or more) for an injection pump, and a regular low pressure pump is = far less than 1/2 that.

 

Here's what you need = (a pair of them):

 

Note that you don't = have to purchase from Van's A/C; they are available almost everywhere. = Just be sure you get that model: 40108, If you're going to use AN fuel = lines. It has -6 AN fittings on the pump. It's also configured to pass = fuel when turned off (a good thing), and it won't backflow fuel if = pressurized in the wrong direction (even though the spec sheet says that = it doesn't have a built-in check valve). You can plumb a pair in series = (much simpler) or in parallel. There are other Facet models that have = 1/8" or 1/4" pipe threads, if you want to use hose instead of = AN hardware, but AN hardware isn't that difficult to make up, and it'll = be there forever. If you do go for hose fittings, just be sure that the = pump you select does *not* have an antisiphon valve, and the pressure is = what you want. (7psi is at the far upper limit of most = carbs.)

Here's the link to the Facet 'cube pump' = models:

<= p class=3DMsoNormal> 

Charlie

 

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