X-Virus-Scanned: clean according to Sophos on Logan.com From: "Neil Unger" Received: from nskntmtas01p.mx.bigpond.com ([61.9.168.137] verified) by logan.com (CommuniGate Pro SMTP 6.1c1) with ESMTP id 7330968 for flyrotary@lancaironline.net; Wed, 10 Dec 2014 21:30:17 -0500 Received-SPF: pass receiver=logan.com; client-ip=61.9.168.137; envelope-from=neil.unger@bigpond.com Received: from nskntcmgw05p ([61.9.169.165]) by nskntmtas01p.mx.bigpond.com with ESMTP id <20141211022943.TVD1388.nskntmtas01p.mx.bigpond.com@nskntcmgw05p> for ; Thu, 11 Dec 2014 02:29:43 +0000 Received: from UserPC ([124.184.162.113]) by nskntcmgw05p with BigPond Outbound id S2Ve1p00L2T6LQU012Vf7s; Thu, 11 Dec 2014 02:29:42 +0000 X-Authority-Analysis: v=2.0 cv=W5W6pGqk c=1 sm=1 a=roO/iIq1oE7jkWJU3GGT9Q==:17 a=1IlZJK9HAAAA:8 a=Ia-xEzejAAAA:8 a=y1BBXd_fAAAA:8 a=7g1VtSJxAAAA:8 a=cbjoQclBm7ur047LlBgA:9 a=wPNLvfGTeEIA:10 a=Tr8nuKu5vpAA:10 a=Qa1je4BO31QA:10 a=fh9HMe2uPsgYg_iCFNcA:9 a=_W_S_7VecoQA:10 a=RuX9KT7zWSriA5nb:21 a=roO/iIq1oE7jkWJU3GGT9Q==:117 Message-ID: <9A65736BF8124247A4ADEA06F78AC5E6@UserPC> To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: smoke system control, was: Re: [FlyRotary] Re: the List Date: Thu, 11 Dec 2014 13:29:15 +1100 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0057_01D01546.75305460" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3555.308 X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3555.308 This is a multi-part message in MIME format. ------=_NextPart_000_0057_01D01546.75305460 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Marc, pretty well summed it up. Happy with the P port, but muffler = noise is hard to tame. Still have that problem with the 3 rotor.=20 From: Mark McClure=20 Sent: Thursday, December 11, 2014 10:37 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: smoke system control, was: Re: [FlyRotary] Re: = the List Speaking with the same full authority - I would think it would make more = sense to go the 3 rotor route vs turbo or P port. =20 The greatest gains with a Turbo are seen above 10,000. Sure you will = get some HP bumps starting out - but you weigh more and you need to have = an intercooler (more drag). I know for turbo-normalized aircraft - they are generally seen as slower = until about 8 or 9 thousand. Not saying this would be true for you (as I = assume you would go for positive pressure not just SL) and by the sounds = of it you already have a baseline engine you are working with and just = trying to save money which a 3 rotor would not be. Mark McClure On Dec 10, 2014, at 6:12 PM, Neil Unger = wrote: Dave, A few of us in OZ were discussing your engine with full = authority (Called ignorance) and wondered what engine you have and what = your thoughts are re the turbo. Is it worth the effort?? Just looking = to save the P port cost, and get a slight HP boost, with the muffler = problem eliminated. Does it actually work that way, or is it too much = grief? Neil. From: David Leonard=20 Sent: Thursday, December 11, 2014 8:04 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: smoke system control, was: Re: [FlyRotary] = Re: the List everyone agrees that although the sound of my rotary is a cry for = attention, It does make the best smoke of the group.=20 Here is a picture of the pump placement David Leonard On Wed, Dec 10, 2014 at 10:38 AM, David Leonard = wrote: I have smoke on my plane, I just used the same pump as the EFI pump = that Tracy used to sell. it weighs less than a pound and puts out about = the right flow rate. Built in check valve. I have not problem with = leaking. instant cutoff. Tank is in the wing and pump in the wing root = which keeps the system and oil smell out of the baggage area.=20 The rotary makes nice hot exhaust which is great for supporting a = lot of oil without leaving a residue (except for the 2-stroke oil) Dave Leonard On Sat, Dec 6, 2014 at 6:05 PM, Charlie England = wrote: = http://www.vansaircraft.com/cgi-bin/store.cgi?ident=3D1417917551-356-672&= action=3Dsearch This is made to control fuel to primer ports on a carb'd engine, = but would probably do the job. No idea how well it would survive the = heat of the engine compartment, where it would need to be for a = quick/clean cutoff. Maybe mounted low on the firewall away from the air = exit, with the lines running uphill to the smoke port on the exhaust? Charlie On 12/6/2014 2:59 PM, hoursaway1 wrote: Yep, I'm here in Michigan doing holiday stuff & visiting = kids/grand kids. also am working on a smoke sys. for the RV6A Rotary, = want min. 3 gal., portable, useing automotive fuel pump, looking for a = solinoid valve control for flow ( no dribbling soft smoke trail ). = David R. Cook ------------------------------------------------------------------------ From: "Fly rotary blog, e-mail" = mailto:flyrotary@lancaironline.net To: "Fly rotary blog, e-mail" mailto:flyrotary@lancaironline.net Sent: Friday, December 5, 2014 10:10:54 PM Subject: [FlyRotary] Re: the List The last message that I seem to have received from the list was = 11/19. this=20 is a test to see if I have inadvertently been dropped. Bill Schertz -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html -------------------------------------------------------------------------= ----- -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0057_01D01546.75305460 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Marc, pretty well summed it up.  Happy with the P port, but = muffler=20 noise is hard to tame.  Still have that problem with the 3 rotor. =
 
Sent: Thursday, December 11, 2014 10:37 AM
Subject: [FlyRotary] Re: smoke system control, was: Re: = [FlyRotary]=20 Re: the List
 
Speaking=20 with the same full authority - I would think it would make more sense to = go the=20 3 rotor route vs turbo or P port.  =20
 
The greatest gains with a Turbo are seen above 10,000.  Sure = you will=20 get some HP bumps starting out - but you weigh more and you need to have = an=20 intercooler (more drag).
 
I know for turbo-normalized aircraft - they are generally seen as = slower=20 until about 8 or 9 thousand. Not saying this would be true for you (as I = assume=20 you would go for positive pressure not just SL) and by the sounds of it = you=20 already have a baseline engine you are working with and just trying to = save=20 money which a 3 rotor would not be.
 
Mark McClure
 
 
On Dec 10, 2014, at 6:12 PM, Neil Unger <flyrotary@lancaironline.net>=20 wrote:
 
Dave,
=
            = A few=20 of us in OZ were discussing your engine with full authority (Called = ignorance)=20 and wondered what engine you have and what your thoughts are re the=20 turbo.  Is it worth the effort??  Just looking to save the P = port=20 cost, and get a slight HP boost, with the muffler problem = eliminated. =20 Does it actually work that way, or is it too much grief?  = Neil.
 
From: David Leonard
Sent: Thursday, December 11, 2014 8:04 AM
Subject: [FlyRotary] Re: smoke system control, was: Re:=20 [FlyRotary] Re: the List
 
everyone agrees that although the sound of my rotary is = a cry for=20 attention, It does make the best smoke of the group.=20
 
Here is a picture of the pump placement
 
David Leonard
 
On Wed, Dec 10, 2014 at 10:38 AM, David = Leonard <flyrotary@lancaironline.net> wrote:
I have smoke on my plane, I just used the same pump = as the EFI=20 pump that Tracy used to sell.  it weighs less than a pound and = puts out=20 about the right flow rate.  Built in check valve.  I have = not=20 problem with leaking. instant cutoff.  Tank is in the wing and = pump in=20 the wing root which keeps the system and oil smell out of the = baggage area.=20
 
The rotary makes nice hot exhaust which is great for supporting = a lot=20 of oil without leaving a residue (except for the 2-stroke oil)
 
Dave Leonard
 
On Sat, Dec 6, 2014 at 6:05 PM, Charlie = England <flyrotary@lancaironline.net> = wrote:
http://www.vansaircraft.com/cgi-bin/store.cgi?ident=3D141= 7917551-356-672&action=3Dsearch

This=20 is made to control fuel to primer ports on a carb'd engine, but = would=20 probably do the job. No idea how well it would survive the heat of = the=20 engine compartment, where it would need to be for a quick/clean = cutoff.=20 Maybe mounted low on the firewall away from the air exit, with the = lines=20 running uphill to the smoke port on the = exhaust?

Charlie

On=20 12/6/2014 2:59 PM, hoursaway1 wrote:
Yep, I'm here in Michigan doing holiday stuff & = visiting=20 kids/grand kids.  also am working on a smoke sys. for the = RV6A=20 Rotary, want min. 3 gal., portable, useing automotive fuel pump, = looking=20 for a solinoid valve control for flow ( no dribbling soft smoke = trail=20 ).  David R. Cook
 
 
From:=20 "Fly rotary blog, e-mail" mailto:flyrotary@lancaironline.net
To: = "Fly=20 rotary blog, e-mail" mailto:flyrotary@lancaironline.net
Sent:=20 Friday, December 5, 2014 10:10:54 PM
Subject: = [FlyRotary]=20 Re: the List
 
The last message that I seem to have received = from the=20 list was 11/19. this
is a test to see if I have = inadvertently been=20 dropped.
Bill=20 Schertz

 

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