X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=PbaBeRpd c=1 sm=1 tr=0 a=CD5TnntNgZSTsHQ6nLFA4Q==:117 a=xycr6CVXJRVtFs4WRGOeRA==:17 a=_RQrkK6FrEwA:10 a=DAwyPP_o2Byb1YXLmDAA:9 a=Ia-xEzejAAAA:8 a=XY2sD6gq5YP4NhtwzrkA:9 a=CjuIK1q_8ugA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=-2rd9HP6WYpp42osw3gA:9 a=luDh57Pd3K1VZhl7:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=pHzHmUro8NiASowvMSCR:22 a=6VlIyEUom7LUIeUMNQJH:22 From: "Marc Wiese cardmarc@charter.net" Received: from [47.43.20.28] (HELO impout004.msg.chrl.nc.charter.net) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 551132 for flyrotary@lancaironline.net; Tue, 21 Jul 2020 11:15:46 -0400 Received-SPF: pass receiver=logan.com; client-ip=47.43.20.28; envelope-from=cardmarc@charter.net Received: from HomeDesktop ([97.94.202.172]) by cmsmtp with ESMTP id xtzMj0L84wzF8xtzMjju0W; Tue, 21 Jul 2020 15:15:29 +0000 Authentication-Results: charter.net; none X-Authority-Analysis: v=2.3 cv=SdVDicZu c=1 sm=1 tr=0 a=xycr6CVXJRVtFs4WRGOeRA==:117 a=xycr6CVXJRVtFs4WRGOeRA==:17 a=DAwyPP_o2Byb1YXLmDAA:9 a=Ia-xEzejAAAA:8 a=XY2sD6gq5YP4NhtwzrkA:9 a=CjuIK1q_8ugA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=-2rd9HP6WYpp42osw3gA:9 a=luDh57Pd3K1VZhl7:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Urk15JJjZg1Xo0ryW_k8:22 To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Al Gietzen - 20B Exhaust System Date: Tue, 21 Jul 2020 10:15:27 -0500 Message-ID: <042701d65f71$c43acf60$4cb06e20$@charter.net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0428_01D65F47.DB673860" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIuz6qI4SvPqIDHqNmvuB9WaqGqTqhhQiQg Content-Language: en-us X-CMAE-Envelope: MS4wfIlaBw99FcAMyr7otPzrVPPq5oxAKlcw0QciFEbtZZa+jTnCNARKWMpqXaaa8EBHG7n90OQhNPhsVlNupMpPaM4bjxOdZdKPE7hP6C8sYH3aEKjZclZI lfu5dpKqO7rkK1gjAN+Wz+Kv1IjlFt1hCBTB+98CQLaTdFZhVEULiXV4Fx271YZZSJiKMkeBrXFs8g== This is a multipart message in MIME format. ------=_NextPart_000_0428_01D65F47.DB673860 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Here is what Al had to say about his exhaust setup (no pictures). He also says more info should be in the "archives" if anyone has them? My files only go back to about Feb 2011. Is there an archive somewhere of all messages? I also see another message where Al sold his plane after about 200 hours and it still was running the 20B. Wonder where 755V is now? M "My 20B got 265 hp at 6300 rpm on the dyno with the tangential muffler and secondary resonator. With 9.0 : 1 rotors and normally aspirated that's not all bad. But perhaps more importantly I now have 213 hour on the inconel tangential and 321 SS secondary; and they are still in good condition. And it is reasonably quiet. Al G From: Rotary motors in aircraft Sent: Monday, July 20, 2020 11:45 AM To: Rotary motors in aircraft Subject: [FlyRotary] Al Gietzen - 20B Exhaust System Does anyone have any of the drawings from Al Gietzen's exhaust system as it was installed on his Mazda 20B Velocity (N755V.) Tom Mann Long-EZ N200LZ (in construction) Velocity N951TM ------=_NextPart_000_0428_01D65F47.DB673860 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Here is what Al had to say = about his exhaust setup (no pictures). He also says more info should be = in the “archives” if anyone has them? My files only go back = to about Feb 2011. Is there an archive somewhere of all messages? I also = see another message where Al sold his plane after about 200 hours and it = still was running the 20B. Wonder where 755V is = now?

M

 

“My 20B got = 265 hp at 6300 rpm on the dyno with the tangential muffler and secondary = resonator. With 9.0 : 1 rotors and normally aspirated that’s not = all bad.

But perhaps more = importantly I now have 213 hour on the inconel tangential and 321 SS = secondary; and they are still in good condition. And it is reasonably = quiet.

Al G

 

 

From: Rotary motors in aircraft =
Sent: Monday, July 20, 2020 11:45 AM
To: Rotary = motors in aircraft = <flyrotary@lancaironline.net>
Subject: [FlyRotary] Al = Gietzen - 20B Exhaust System

 

Doe= s anyone have any of the drawings from Al Gietzen's exhaust system as it = was installed on his Mazda 20B Velocity (N755V.)

Tom = Mann
Long-EZ N200LZ (in construction)
Velocity N951TM

------=_NextPart_000_0428_01D65F47.DB673860--