X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) X-Junk-Score: 0 [] X-KAS-Score: 0 [] From: "Le Roux Breytenbach breytenbachleroux@gmail.com" Received: from mail-wm1-f52.google.com ([209.85.128.52] verified) by logan.com (CommuniGate Pro SMTP 6.3.13) with ESMTPS id 1777251 for flyrotary@lancaironline.net; Fri, 03 Feb 2023 08:23:46 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.128.52; envelope-from=breytenbachleroux@gmail.com Received: by mail-wm1-f52.google.com with SMTP id q10-20020a1cf30a000000b003db0edfdb74so5590038wmq.1 for ; Fri, 03 Feb 2023 05:23:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:in-reply-to:references:message-id:date:subject:mime-version:from :content-transfer-encoding:from:to:cc:subject:date:message-id :reply-to; bh=IUmhEbZycxparvQu0U53inNbKToEiEfgJidhoTRwS/0=; b=b+XOaz91ggtw6VvGu4S+UWTQGjMgmwVdMeFCo5ZqVdA8vhckQxn26VyS0NocXTO3Rc IodUjMdg0iVKy9yip0Idzr2bo+WFQIdVCARz+qPLoTidf2254fVaSoxz6AAySobFwoFN JflOerhXF7y2GOzKTnOlG6F/Fgcu3xZYS+LzYEbQqEBeu0v06CoJoX4BstX+IMdzSNRt VIHRMDhdtoCx9OhphvJ2rLjDmwme1Ewgxj2kJJ7ovsk8DfIeUbwLdlJWaoPeEjuiz3u9 6ioKtgLjQ2srPy+3wSj1XJVTaIB0gxs4sGc2RZO0fcWarwFsOv5SvGHEN7D/xc5lDG9N BnrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:in-reply-to:references:message-id:date:subject:mime-version:from :content-transfer-encoding:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=IUmhEbZycxparvQu0U53inNbKToEiEfgJidhoTRwS/0=; b=8DeRvyudCdpG3z/Udk3WCFl8bubLK+IM1RzWKW4cFUCrhCD0mbfu1EQpZUX6FKc7e7 F1+xWUB8OipPvVfzg425eTRuX9zAZ6dFTaU1Ns26FS2eE+fp9p2xRzkMH1Ux94e3Da2Q a0cDPvvktCDwi2KepfkIEJtYwIcGSevOnte9VyfAFwPm0QCBaESN6qyVlEshST4awYj8 UWgt1OWUfxyHt9XKYTG9iZppjrBtAK5CuhpwRXXqDrIoiXLVE4xuyEOcQSWcP0Ua+K8d ByYhieO0kHZoQUvYA86NRIy6Vw6TXGdH+lMDf5n95VIyqBo/ejG5aZs+ruLOWnMNxS9b rISw== X-Gm-Message-State: AO0yUKWHwjwh18EZZqJQ3jKsSHkyTUrxpFHWBbHdPrxEqAgmqnwOVBbg VxD1v5K2IUJsn+dZovZFmOep7oJOLoA= X-Google-Smtp-Source: AK7set+IRFprAJ+t1YAna/cghBgedvVjdiPbMBZGckXt9i4EMeuE1d0agcavGrePm3FukBNI922HdA== X-Received: by 2002:a05:600c:3d1a:b0:3da:1e3e:1ce8 with SMTP id bh26-20020a05600c3d1a00b003da1e3e1ce8mr9741923wmb.13.1675430607633; Fri, 03 Feb 2023 05:23:27 -0800 (PST) Return-Path: Received: from smtpclient.apple ([196.251.24.5]) by smtp.gmail.com with ESMTPSA id p16-20020a05600c469000b003a84375d0d1sm8393701wmo.44.2023.02.03.05.23.26 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Feb 2023 05:23:27 -0800 (PST) Content-Type: multipart/alternative; boundary=Apple-Mail-571938A6-CAAE-4E51-B9FC-A8A20CE1D972 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) Subject: Re: [FlyRotary] Re: Fun with AI for the rotary Date: Fri, 3 Feb 2023 15:23:25 +0200 Message-Id: <094AFA88-6171-462B-9BA5-394BD5CF3FCE@gmail.com> References: In-Reply-To: To: Rotary motors in aircraft X-Mailer: iPhone Mail (19E258) --Apple-Mail-571938A6-CAAE-4E51-B9FC-A8A20CE1D972 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable I have a design of the =E2=80=9Clate Paul Lamar=E2=80=9C somewhere in my arc= hives. Don=E2=80=99t know if i may share it on the group ? That was of a proposed design of a freeflow muffler for rotaryengines. He shared it with all the people on the group. Don=E2=80=99t know if it was patented? Let me know Le Roux Sent from my iPhone Le Roux Breytenbach=20 > On 03 Feb 2023, at 14:53, Doug Lomheim rv9flyer13b@gmail.com wrote: >=20 > =EF=BB=BFSo where can we find the proposed =E2=80=9Cspecialist in exhaust s= ystems=E2=80=9D that it suggests? For our applications that would probably b= e someone on this list!? :) >=20 > Doug =20 >=20 > =20 >=20 >=20 >>=20 >> Designing a muffler for a Mazda rotary engine requires taking into accoun= t several factors, including: >>=20 >> Engine specifications: The muffler must be compatible with the size and o= utput of the engine. >> Noise reduction: The muffler should reduce engine noise to an acceptable l= evel, while also allowing the engine to function efficiently. >> Performance: The muffler should not restrict exhaust flow and impact engi= ne performance. >> Durability: The muffler must be durable and withstand the high temperatur= es and vibration generated by the rotary engine. >> A muffler design for a Mazda rotary engine could include a straight-throu= gh perforated core, surrounded by sound-deadening materials such as fibergla= ss or ceramic wool. The muffler should be mounted using flexible connections= to reduce vibration and ensure a secure fit. Additionally, heat shields cou= ld be used to protect the muffler from high temperatures. >>=20 >> These are general guidelines and the exact design may vary based on speci= fic engine and performance requirements. Consulting with a specialist in exh= aust systems is recommended to ensure a muffler that is optimized for your s= pecific engine and application. >>=20 >> You're welcome.=20 >> ;-)=20 >=20 >=20 --Apple-Mail-571938A6-CAAE-4E51-B9FC-A8A20CE1D972 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable I have a design of the =E2=80=9Clate Paul L= amar=E2=80=9C somewhere in my archives.
Don=E2=80=99t know if i may shar= e it on the group ?
That was of a proposed design of a freeflow mu= ffler for rotaryengines.
He shared it with all the people on the g= roup.
Don=E2=80=99t know if it was patented?

<= div>Let me know

Le Roux

Sent from my iPhone
Le Roux Breytenbach 

On 03 Feb 2023, at 14:53, Doug Lomheim r= v9flyer13b@gmail.com <flyrotary@lancaironline.net> wrote:

=EF=BB=BFSo where can we find the proposed =E2=80=9Cspecialist in exha= ust systems=E2=80=9D that it suggests?  For our applications that would= probably be someone on this list!?     :)
<= font size=3D"3" class=3D"">
Doug   

    


Designing a muffler for a Mazda rotary eng= ine requires taking into account several factors, including:

  1. Engine specifications:= The muffler must be compatible with the size and output of the engine.
  2. Noise reduction: The muffler should reduce engine no= ise to an acceptable level, while also allowing the engine to function effic= iently.
  3. Performance: The muffler should not res= trict exhaust flow and impact engine performance.
  4. Durability: The muffler must be durable and withstand the high temperature= s and vibration generated by the rotary engine.

A muffler design for a Mazda rotary e= ngine could include a straight-through perforated core, surrounded by sound-= deadening materials such as fiberglass or ceramic wool. The muffler should b= e mounted using flexible connections to reduce vibration and ensure a secure= fit. Additionally, heat shields could be used to protect the muffler from h= igh temperatures.

These are general guidelines and the exact design may vary based on specifi= c engine and performance requirements. Consulting with a specialist in exhau= st systems is recommended to ensure a muffler that is optimized for your spe= cific engine and application.


You're welcome. 
;-) 

= --Apple-Mail-571938A6-CAAE-4E51-B9FC-A8A20CE1D972--