X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail18.syd.optusnet.com.au ([211.29.132.199] verified) by logan.com (CommuniGate Pro SMTP 5.2c1) with ESMTPS id 2452861 for flyrotary@lancaironline.net; Fri, 02 Nov 2007 17:49:13 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.199; envelope-from=lendich@optusnet.com.au Received: from george (d58-108-112-76.dsl.nsw.optusnet.com.au [58.108.112.76]) by mail18.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id lA2LmQa6020641 for ; Sat, 3 Nov 2007 08:48:27 +1100 Message-ID: <003401c81d9a$1b6593b0$4c706c3a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: MAP port location \ Date: Sat, 3 Nov 2007 07:48:28 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0031_01C81DED.EC0B5740" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0031_01C81DED.EC0B5740 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Bobby, I know your planning only normalizing with the Turbo, but my concern = with the 10:1 high compression rotors is that you might get into = detonation - especially without an intercooler. Then again I'm no expert, that why I would like to know the safe boost = level as well. I recommended the 3mm apex seals because of my concerns of detonation, = not so much the loss of hp. George ( down under) George, Mazfix and Mazsport are both boosting to 280hp at the wheels. = http://mazfix.com.au/perfproducts/rx8_upgrades.html. Pettit Racing is = seeing 270+ with 5-8#'s http://www.pettitracing.com/rx8/index.htm My = goal has always been to match the IO540 at 8000ft and have a much = lighter plane with new engine. No doubt I will be giving up some HP = without the intercooler. One percent for every 10 degrees I think. If my = cooling ducts and exit area work as planned I may add an intercooler. = The goal now is to get the engine started and flying by summer.=20 Bobby RV10=20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of George Lendich Sent: Thursday, November 01, 2007 3:41 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: MAP port location \=20 Bobby, I would be interested to see what boost is safe also. You might = consider an intercooler! I assume you are using it on a RX8 engine( i.e. 10:1 ), if so, you = could always consider going to 3mm apex seals, if you feel it would be = safer. George (down under) Not much to tell Rob. It's an Eaton M62 4th gen. = http://www.capa.com.au/eaton_mp62_4th.htm My notes show the weight at = 25 lbs but I am not sure if that included mounting brackets. If = everything goes as planned I should be able to fire it up in January. = The plan is to use it for normalization or 1-2 psi of boost if the = discharge temps are not to high. It has a 1" internal bypass that = provides a intake air path around the screws so it is yet to be seen = what effect this will have on temps. =20 Does anyone have any real data as to maximum safe intake temps with = 10:1 rotors and 2mm seals? =20 Bobby -------------------------------------------------------------------------= --- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Rob Sent: Thursday, November 01, 2007 9:39 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: MAP port location \=20 Bobby Tell us a little about your supercharger. What brand? How much? How = heavy? Have you run it yet? Thanks. Robert 20B in a BD4 Robert Bollinger FM1099 MUM Fairfield, IA 52557 rob@mum.edu =20 Home (641)472-7000ex2068 Cell (641)919-3213 ----- Original Message -----=20 From: Bobby J. Hughes=20 To: Rotary motors in aircraft=20 Sent: Monday, October 29, 2007 5:09 PM Subject: [FlyRotary] Re: MAP port location \=20 Looks like the consensus is to place the MAP ports away from the = runners. I will try the discharge duct of the supercharger for both MAP = and the Grand Rapids EIS temperature probe. Looks like the EC2 = temperature probe should not be place after the blower since it leans = fuel at higher air temps. It will go after the air filter and before the = throttle body. Thanks, Bobby -------------------------------------------------------------------------= - -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html -------------------------------------------------------------------------= --- No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.503 / Virus Database: 269.15.16/1102 - Release Date: = 31/10/2007 4:38 PM -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.503 / Virus Database: 269.15.18/1104 - Release Date: = 1/11/2007 6:47 PM ------=_NextPart_000_0031_01C81DED.EC0B5740 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Bobby,
I know your planning only normalizing = with the=20 Turbo, but my concern with the 10:1 high compression rotors is that you = might=20 get into detonation - especially without an intercooler.
Then again I'm no expert, that why I = would like to=20 know the safe boost level as well.
I recommended the 3mm apex seals = because of my=20 concerns of detonation, not so much the loss of hp.
George ( down under)
George,
 
Mazfix and Mazsport are both boosting to = 280hp at the=20 wheels. http://mazfi= x.com.au/perfproducts/rx8_upgrades.html. =20 Pettit Racing is seeing 270+ with 5-8#'s  http://www.pettitracin= g.com/rx8/index.htm=20  My goal has always been to match the IO540 at 8000ft and have a = much=20 lighter plane with new engine. No doubt I will be giving up some = HP=20 without the intercooler. One percent for every 10 degrees I = think.=20 If my cooling ducts and exit area work as planned I may add an = intercooler.=20 The goal now is to get the engine started and flying by summer.=20
 
 
Bobby
RV10

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of George=20 Lendich
Sent: Thursday, November 01, 2007 3:41 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: MAP port = location=20 \

Bobby,
I would be interested to see what = boost is safe=20 also. You might consider an intercooler!
I assume you are using it on a RX8 = engine( i.e.=20 10:1 ), if so, you could always consider going to 3mm apex seals, if = you feel=20 it would be safer.
George (down under)
 
Not=20 much to tell Rob. It's an Eaton M62 4th gen. http://www.capa.com.au= /eaton_mp62_4th.htm =20 My notes show the weight at 25 lbs but I am not sure if that = included=20 mounting brackets.  If everything goes as planned I should be = able to=20 fire it up in January. The plan is to use it for normalization or 1-2 = psi of=20 boost if the discharge temps are not to high. It has a 1" internal = bypass that=20 provides a intake air path around the screws so it is yet to be seen = what=20 effect this will have on temps. 
 
Does anyone have any real data as to = maximum safe=20 intake temps with 10:1 rotors and 2mm seals?   =
 
Bobby
 
 
 

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of = Rob
Sent:=20 Thursday, November 01, 2007 9:39 AM
To: Rotary motors in=20 aircraft
Subject: [FlyRotary] Re: MAP port location \=20

Bobby
Tell us a little about your = supercharger. What=20 brand? How much? How heavy? Have you run it yet?
Thanks.
Robert
20B in a BD4
 
Robert Bollinger
FM1099 MUM
Fairfield, IA 52557
rob@mum.edu 
Home=20 (641)472-7000ex2068
Cell     = (641)919-3213
----- Original Message ----- =
From:=20 Bobby = J.=20 Hughes
To: Rotary motors in = aircraft=20
Sent: Monday, October 29, = 2007 5:09=20 PM
Subject: [FlyRotary] Re: = MAP port=20 location \

Looks like the=20 consensus is to place the MAP ports away from the runners. I will = try the=20 discharge duct of the supercharger for both MAP and the Grand = Rapids EIS=20 temperature probe. Looks like the EC2 temperature probe should not = be=20 place after the blower since it leans fuel at higher air temps. It = will go=20 after the air filter and before the throttle = body.
 
Thanks,
 
Bobby
 
 
 

--
Homepage:  http://www.flyrotary.com/
Archive = and=20 UnSub:  =20 = http://mail.lancaironline.net:81/lists/flyrotary/List.html

No virus found in this incoming message.
Checked by AVG = Free=20 Edition.
Version: 7.5.503 / Virus Database: 269.15.16/1102 - = Release=20 Date: 31/10/2007 4:38 PM

No virus found in this incoming message.
Checked by AVG Free = Edition.
Version: 7.5.503 / Virus Database: 269.15.18/1104 - = Release Date:=20 1/11/2007 6:47 PM
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