X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=cpHlbGwi c=1 sm=1 tr=0 a=xuqu4LtG73bbFu04xJYfKg==:117 a=xuqu4LtG73bbFu04xJYfKg==:17 a=3JhidrIBZZsA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=gERw5juiPbm0UcutY4sA:9 a=i2kCeB9hTuuVUgfI:21 a=UmHKLizh49C_r7q7:21 a=CjuIK1q_8ugA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=k_VuaAfsjm9Mi5-9KvkA:9 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 From: "Bobby J. Hughes bhughes@qnsi.net" Received: from [207.91.159.28] (HELO barracuda.qnsi.net) by logan.com (CommuniGate Pro SMTP 6.2.10) with ESMTP id 12105232 for flyrotary@lancaironline.net; Tue, 15 Jan 2019 12:29:08 -0500 Received-SPF: pass receiver=logan.com; client-ip=207.91.159.28; envelope-from=btv1==918cd3f31d5==bhughes@qnsi.net X-ASG-Debug-ID: 1547573322-027645086d19d10001-fw4j19 Received: from mail.qnsi.net (qnsi-mail.qnsi.net [10.0.0.5]) by barracuda.qnsi.net with ESMTP id fxP0pAjdOvR7UggP for ; Tue, 15 Jan 2019 11:28:42 -0600 (CST) X-Barracuda-Envelope-From: bhughes@qnsi.net X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01D4ACF7.C299D01D" Disposition-Notification-To: "Bobby J. Hughes" Subject: Rubber Damper Date: Tue, 15 Jan 2019 11:28:41 -0600 X-ASG-Orig-Subj: Rubber Damper Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F3011366D7@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Rubber Damper Thread-Index: AdSs98I3QuS/94XPSWiPi/P/lMJQjA== To: "Rotary motors in aircraft" X-Barracuda-Connect: qnsi-mail.qnsi.net[10.0.0.5] X-Barracuda-Start-Time: 1547573322 X-Barracuda-URL: http://10.0.0.4:8000/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at qnsi.net X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=1000.0 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.65728 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message This is a multi-part message in MIME format. ------_=_NextPart_001_01D4ACF7.C299D01D Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Tracy, =20 I'm exploring the possibility of have a batch of dampers made. Measuring the worn units is difficult. I found some information in the archives but need to confirm the measurements.=20 =20 Supplier was Service Rubber in Texas. They have changed accounting systems and can't located the part number. If you have the part number that would be most helpful. =20 OD 1.374" ID 0.75" Height --? =20 Durometer of 50. Looking at increasing to 65. Service Rubber recommended neoprene.=20 =20 Depending on minimum quantity and price it will likely take a group buy. My 50 durometer develop flat spots very fast. I have been rotating them to move the flat spot to the opposite side. I think they need to be change every 50 - 100 hours. Harder material may survive longer. =20 Thanks, =20 Bobby =20 ------_=_NextPart_001_01D4ACF7.C299D01D Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Tracy,

I’m = exploring the possibility of have a batch of dampers made. Measuring the = worn units is difficult. I found some information in the archives but = need to confirm the measurements.

Supplier was = Service Rubber in Texas. They have changed accounting systems and = can’t located the part number. If you have the part number that = would be most helpful.

OD = 1.374”

ID = 0.75”

Height = --?

Durometer of 50. Looking at increasing to 65. Service = Rubber recommended neoprene.

Depending on = minimum quantity and price it will likely take a group buy. My 50 = durometer develop flat spots very fast. I have been rotating them to = move the flat spot to the opposite side. I think they need to be change = every 50 – 100 hours. Harder material may survive = longer.

Thanks,

Bobby

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