X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=PbaBeRpd c=1 sm=1 tr=0 a=f0XSbmdCY37jY5x9wZlmuQ==:117 a=5ZdN53DUBXSlI79CusMrgQ==:17 a=x7bEGLp0ZPQA:10 a=A-0mRrAPPO4A:10 a=y4yBn9ojGxQA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=8pif782wAAAA:8 a=HZJGGiqLAAAA:8 a=fxJAN5q4AAAA:8 a=hOpmn2quAAAA:8 a=Ia-xEzejAAAA:8 a=pGLkceISAAAA:8 a=_6GpL_ENAAAA:8 a=e2zdU5d0KMFQmoYmWQ8A:9 a=QEXdDO2ut3YA:10 a=-FEs8UIgK8oA:10 a=NWVoK91CQyQA:10 a=4PR2P7QzAAAA:8 a=G_5s8neSAAAA:8 a=m7_clQ7AIX0_YL4zjbgA:9 a=am341Ar73kYIevC_:21 a=_W_S_7VecoQA:10 a=hxQmRmZaj7Kc3H0CF-Px:22 a=GyA-uvUxXSCciAkwuKQO:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=4dqwQCo7Po2mVW515mGf:22 a=5aLEZlHgtCWrS4oMx5Sh:22 From: "Charlie England ceengland7@gmail.com" Received: from mail-qt1-f172.google.com ([209.85.160.172] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 619346 for flyrotary@lancaironline.net; Sat, 08 Aug 2020 13:19:55 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.160.172; envelope-from=ceengland7@gmail.com Received: by mail-qt1-f172.google.com with SMTP id s16so3719495qtn.7 for ; Sat, 08 Aug 2020 10:19:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language; bh=t6Bv9mlhSE7g3gb781SpTNAbvC44/n6hruJwFsZtlcw=; b=Q2ie6njoXMhqadCjGNfphJFnr7LK6e8UBxrKx+WyRYvt91O8OMcqayYJ6uDUEgi3Rt a2F5VraeRDTuq893NYmUPEhY+UcnZcuo9UurfCI/lBP+wbjVYdZdg2iJBN1q7mVXA++w 7Mn+rT5UowYnXJnvjE/B+ACLgzV9lT5ooSKYFk7YUXhzsIpjfVOtkmB3aT11fNrk7hCk 1GAZLYIgayT5zIOK+ZhPdLcB1lmqI630YcG/OunYO2D1Gke5Zyvg/pMPMVWdNXKu16NY dnimkMIsxoVswfmerS6jwJqsIKDXzk75aOWrpS8V/N2qdwdUSRkKyJHdtOC0rq2Iz09v cpqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language; bh=t6Bv9mlhSE7g3gb781SpTNAbvC44/n6hruJwFsZtlcw=; b=RPQRunS/r8qzgYrfP3E+GhVYJpW9q7w3L+gBIWZOg4loJ66a9UldHVAZQsCS7oLx0q aB0kFGuQJ/Qyg6bRfJwYq0/orvFc42yFueF4UN33awph3MW/5P2Yj/NfGQ51JJvraq2u ZIo+xYPGp9nVjXHtZkePHvqdrlvRLdVjwle/02FXNQZxv4g1mvC/czdcJFje/QogJ/ai 4OO2o/+2m2A1Gftv93hnLGwhavo/XYTfJdaYSsJSFT9C4fNyrZfgACBbbLjARL2nit3g DVMoi8ctKGUBcI7BBhqSZ8zVyT1q+lLqYmCPYVZV6S+nMjPR78pyaMkeh6Yx284DcPsS i78g== X-Gm-Message-State: AOAM531Q/Vgy7lkHHK6mmuuLElxUuMLARVURcO/6pKLXbNfPuk1OCUJQ pwNz+7qiiq0uWh2HYXDTtrMQ00Cr X-Google-Smtp-Source: ABdhPJy6VSTmS9a1k3pMqJjk/x/vJe0m7IIyZ63Xvmsj8j7KsaEHbpJ6QBuwVzZiwv+xg0iai5sGyw== X-Received: by 2002:ac8:1088:: with SMTP id a8mr19011498qtj.90.1596907178090; Sat, 08 Aug 2020 10:19:38 -0700 (PDT) Return-Path: Received: from [192.168.10.245] ([166.137.96.69]) by smtp.googlemail.com with ESMTPSA id n85sm9509577qkn.80.2020.08.08.10.19.36 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 08 Aug 2020 10:19:37 -0700 (PDT) Subject: Re: [FlyRotary] Re: Nikasil vs Chrome To: Rotary motors in aircraft References: Message-ID: <9d9069ed-e3fd-6db4-f89e-6a5d9e122ec6@gmail.com> Date: Sat, 8 Aug 2020 12:20:11 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------E99EFBC12650FBE6FA75C53B" Content-Language: en-US X-Antivirus: Avast (VPS 200808-2, 08/08/2020), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. --------------E99EFBC12650FBE6FA75C53B Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit The 'gotcha' is that it wasn't Mazda that developed it; according to the article, it was a German company for some German brands of rotaries. https://en.m.wikipedia.org/wiki/Mahle_GmbH On 8/8/2020 11:25 AM, Ernest Christley echristley@att.net wrote: > That is the nitrate, Marc.  This Wikipedia article says that nikasil > was developed specifically to address Apex seals. > > Nikasil - Wikipedia > > > > > > > > Nikasil - Wikipedia > > > > > > > > > Sent from AT&T Yahoo Mail on Android > > > On Sat, Aug 8, 2020 at 11:19, Marc Wiese cardmarc@charter.net > wrote: > The side plates (iron) have some kind of treatment that penetrates > them shallowly. At one time shops still were able to retreat the > ground ones- it was a gas of some sort mixed with ammonia? > M > > Sent from my iPad > >> On Aug 8, 2020, at 12:28 AM, William Jepson wrjjrs@gmail.com >> wrote: >> >>  >> Ernest, >> You are correct. The housings are porous chrome. Don’t think >> Mazda invented nikasil but I’m sure they tested it. I know there >> were several companies testing it or running it in the Early 70’s. >> Bill >> >> On Fri, Aug 7, 2020 at 7:46 PM Ernest Christley >> echristley@att.net >> > > wrote: >> >> I was looking into nikasil coatings and was surprised to read >> that it was originally developed by Mazda for the rotary >> engines.  I thought the rotor housings were chrome plated.  >> Is it really nikasil instead? >> -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus --------------E99EFBC12650FBE6FA75C53B Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit
The 'gotcha' is that it wasn't Mazda that developed it; according to the article, it was a German company for some German brands of rotaries.
https://en.m.wikipedia.org/wiki/Mahle_GmbH


On 8/8/2020 11:25 AM, Ernest Christley echristley@att.net wrote:
That is the nitrate, Marc.  This Wikipedia article says that nikasil was developed specifically to address Apex seals.






On Sat, Aug 8, 2020 at 11:19, Marc Wiese cardmarc@charter.net
The side plates (iron) have some kind of treatment that penetrates them shallowly. At one time shops still were able to retreat the ground ones- it was a gas of some sort mixed with ammonia?
M

Sent from my iPad

On Aug 8, 2020, at 12:28 AM, William Jepson wrjjrs@gmail.com <flyrotary@lancaironline.net> wrote:


Ernest,
You are correct. The housings are porous chrome. Don’t think Mazda invented nikasil but I’m sure they tested it. I know there were several companies testing it or running it in the Early 70’s.
Bill

On Fri, Aug 7, 2020 at 7:46 PM Ernest Christley echristley@att.net <flyrotary@lancaironline.net> wrote:
I was looking into nikasil coatings and was surprised to read that it was originally developed by Mazda for the rotary engines.  I thought the rotor housings were chrome plated.  Is it really nikasil instead?



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