X-Virus-Scanned: clean according to Sophos on Logan.com From: "Jeff Whaley" Received: from hub026-NJ-7.exch026.serverdata.net ([206.225.166.170] verified) by logan.com (CommuniGate Pro SMTP 6.1.8) with ESMTPS id 8354551 for flyrotary@lancaironline.net; Mon, 25 Jan 2016 13:31:37 -0500 Received-SPF: none receiver=logan.com; client-ip=206.225.166.170; envelope-from=jwhaley@datacast.com Received: from MBX026-E1-NJ-2.exch026.domain.local ([10.240.14.52]) by HUB026-NJ-7.exch026.domain.local ([10.240.14.233]) with mapi id 14.03.0266.001; Mon, 25 Jan 2016 10:31:19 -0800 To: Charlie England Subject: RE: parts upgrade; was: What do you think may be happening? Thread-Topic: parts upgrade; was: What do you think may be happening? Thread-Index: AQHRVpabvSpmft91YUOTU5J+F1vBS58MWm7ggAAy+IA= Date: Mon, 25 Jan 2016 18:31:18 +0000 Message-ID: <234B758DE9A64449BEB6BB5D1345CA7A48F0E19F@mbx026-e1-nj-2.exch026.domain.local> References: <56A3A06A.4050808@gmail.com> Accept-Language: en-CA, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [209.87.232.162] Content-Type: multipart/alternative; boundary="_000_234B758DE9A64449BEB6BB5D1345CA7A48F0E19Fmbx026e1nj2exch_" MIME-Version: 1.0 --_000_234B758DE9A64449BEB6BB5D1345CA7A48F0E19Fmbx026e1nj2exch_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Steve, as usual your explanation is correct and/or more complete than mine = ... we all appreciate your clarity. Something I haven't tried is at 1400 rpm, turning OFF the SEC injectors and= then set the CS switch ON - I believe this will double the fuel flow to th= e PRI injectors? - Can you confirm? Jeff Jeff, I have taken the liberty of inserting the bold faced comments below. Steve Boese On Jan 25, 2016, at 9:21 AM, Jeff Whaley > wrote: Bill, something you may want to try (if only temporary) is to separate the = Cold Start function from the Injector Disable functions; I believe this mak= es it is easier to tell what is going on. Wire the Cold Start switch independently to pin 30. Use one toggle switch to power the PRI and another to power the SEC injecto= rs. At 1400 rpm with both INJ ON and CS OFF, disabling the SEC injectors should= do nothing. At 1400 rpm with both INJ ON and CS ON, the engine will run very rough due = to fuel-doubling to PRI injectors -the fuel is not doubled by the primary i= njectors, but rather the secondary injectors are delivering fuel now too. S= till, this is a handy feature for true COLD starting. At 1400 rpm with both INJ ON and CS OFF, disabling the PRI should cause the= engine to quit - if you quickly set the CS to ON the engine should recover= using the SEC injectors. This verifies that both the primary and secondar= y injectors are delivering fuel when the cold switch is on and the MAP is b= elow the staging threshold as suggested above. At >4000 rpm and above staging: disabling either INJ should cause the engin= e to stumble - if you now set the CS to ON the engine should recover using = the remaining injectors at twice the original pulse width. other injectors. My engine is wired this way permanently .... So is mine. Jeff This message, and the documents attached hereto, is intended only for the a= ddressee and may contain privileged or confidential information. Any unauth= orized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal= records. Please then delete the original message. Thank you. --_000_234B758DE9A64449BEB6BB5D1345CA7A48F0E19Fmbx026e1nj2exch_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Steve, as usual your e= xplanation is correct and/or more complete than mine … we all appreci= ate your clarity.

Something I haven̵= 7;t tried is at 1400 rpm, turning OFF the SEC injectors and then set the CS= switch ON – I believe this will double the fuel flow to the PRI inje= ctors? – Can you confirm?

Jeff=

 

Jeff,

I have taken the liberty of inserting the bold faced comments belo= w.

Steve Boese


On Jan 25, 2016, at 9:21 AM, Jeff Whaley <flyrotary@lancaironline.net> wrot= e:

Bill, something you may want to try = (if only temporary) is to separate the Cold Start function from the Injecto= r Disable functions; I believe this makes it is easier to tell what is going on.

Wire the Cold Start switch independe= ntly to pin 30.

Use one toggle switch to power the P= RI and another to power the SEC injectors.

At 1400 rpm with both INJ ON and CS = OFF, disabling the SEC injectors should do nothing.

At 1400 rpm with both INJ ON and CS = ON, the engine will run very rough due to fuel-doubling to PRI injectors &#= 8211;the fuel is not doubled by the primary injectors, but rather the secondary injectors are delivering fuel now too.= Still, this is a handy feature for true COLD starting.

At 1400 rpm with both INJ ON and CS = OFF, disabling the PRI should cause the engine to quit – if you quick= ly set the CS to ON the engine should recover using the SEC injectors.  This verifies that both the primary and = secondary injectors are delivering fuel when the cold switch is on and the = MAP is below the staging threshold as suggested above.

 

At >4000 rpm and above staging: d= isabling either INJ should cause the engine to stumble – if you now s= et the CS to ON the engine should recover using the remaining injectors at twice the original pulse width. oth= er injectors.

 

My engine is wired this way permanen= tly …. So is mine.

Jeff

This message, and the documents attached hereto, is intended only for the a= ddressee and may contain privileged or confidential information. Any unauth= orized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal records. Please then delete the origin= al message. Thank you. --_000_234B758DE9A64449BEB6BB5D1345CA7A48F0E19Fmbx026e1nj2exch_--