X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) From: " 12348ung@gmail.com" Received: from mail-pg1-f174.google.com ([209.85.215.174] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 1051209 for flyrotary@lancaironline.net; Fri, 18 Dec 2020 17:42:31 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.215.174; envelope-from=12348ung@gmail.com Received: by mail-pg1-f174.google.com with SMTP id c22so2201846pgg.13 for ; Fri, 18 Dec 2020 14:42:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version:thread-index :content-language; bh=ICoP71qK/tPJQXUj8uYMVE0bJelpiCgmdyZkeDLDS3o=; b=VTJAq8PPDV0Qtg6A+heAeak0dsKnO04tNaexUxUzQaeCKhadkkeySNjnby2Pk0b2vF 2dKE0Xg0l4RdX0A6GIsdZZsJ91OyxFWEwSK0OBBwwnbBNiPT8GKNfvEt0PUFrIri3qhh pW7NC335a+P/bQucn107x6Q0o6Jb7sEtyRa+HuMVDeBjXanGj1Z8kItgZ5wTnUragURG 2cGDnxP2cymU4Us17WoBns+U0/OHbk7C3ZbKqc9ewnV5hlKuw3qWKiNpkLTaIRyzF5EK G8Z2eiNTBJQPYaoyS/EBzfZnYiWL/I/QViJzLqbILgjtWW4mNAgq0pHAtMoCYcCKAtTH lAxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :thread-index:content-language; bh=ICoP71qK/tPJQXUj8uYMVE0bJelpiCgmdyZkeDLDS3o=; b=Bk/yBxFVPb8he+Y7iGM9caQ9Iwt0ZPOJZdO7QdCTeeoOz05/76tqZaWIgy2qXOnD/+ IghDSunexjialcd4tJgK56NbXW+yL58TzbJiYpuG873aFQeijSLedoWTH2FW6gXHlytX P9OyDB9kPXxEtWCwsqvPSO1ZS2MjZ5sfoc1qquCQ1QM+I5hiHsgnriaHaAoWOJjqiK40 4K+B3OH7qFoRK93vUefQYRVJ+W3+qiifm2Q9EeTKtZizsDCXh4TetD/xnAbRJteKTMod lIHzgbJJA3Dctlqfg/Xmj9j4lkf9T2iZlBq5X8gIL857rJZYnHQ0arcAVnS+lpsyl9jl qslQ== X-Gm-Message-State: AOAM530zRV+IXKoTGVLqDPnsroNAJj1mNUd88RfzLUQNLO6DOuflGoEz RTE9BM5bHRpuC/sQq+9Tgzus3koYckQ= X-Google-Smtp-Source: ABdhPJyubJDLceNO3VjOuwhPYpsMn8Y3CulohsPe2nQgL4zmL7K6meFHe7pvX1dr2lfqpr5dW0Jsng== X-Received: by 2002:a63:2259:: with SMTP id t25mr3868357pgm.395.1608331333983; Fri, 18 Dec 2020 14:42:13 -0800 (PST) Return-Path: <12348ung@gmail.com> Received: from UserPC ([103.198.24.78]) by smtp.gmail.com with ESMTPSA id k125sm6477464pga.57.2020.12.18.14.42.11 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Dec 2020 14:42:13 -0800 (PST) To: "'Rotary motors in aircraft'" Subject: eliminate cushion drive Date: Sat, 19 Dec 2020 09:42:10 +1100 Message-ID: <000901d6d58f$07509710$15f1c530$@gmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01D6D5EB.3AC10F10" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AdbVjRrwRr1WjfKyQIOv8R8YX+x4LA== Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_000A_01D6D5EB.3AC10F10 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Steve, Further to your measurements. The centre to centre of the holes in the counterweight (E shaft) is 98mm. Bolt size is 10mm which makes the outer edge of the bolts 108mm or 4.25 inches. The OD measurement of my spacer is approx. 5 inches, so it would appear possible to mount tracy,s splined drive shaft plate direct to the E shaft with the 6 x 10mm bolts and spaced out with my spacer which may have to be adjusted for height - a simple lathe job. This as well known eliminates any 'damping" in the drive line. I do not have the measurements of just how high the splined plate has to be to clear the end of the E Shaft. Again everything is possible with time and money!! A question to the group --- What is the Splined drive plate made from? I thought it was simply a machined cast, but it has been suggested it is a "sintered" casting. (weaker than normal casting) Does anyone know? Neil. ------=_NextPart_000_000A_01D6D5EB.3AC10F10 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Steve,

          =       Further to your measurements.  The = centre to centre of the holes in the counterweight (E shaft)  is = 98mm.  Bolt size is 10mm which makes the outer edge of the bolts = 108mm or 4.25 inches.    The OD measurement of my spacer = is approx. 5 inches, so it would appear possible to mount tracy,s = splined drive shaft plate direct to the E shaft with the 6 x 10mm bolts = and spaced out with my spacer which may have to be adjusted for height = – a simple lathe job.  This as well known eliminates any = ‘damping” in the drive line.

          =       I do not have the measurements of just = how high the splined plate has to be to clear the end of the E = Shaft.  Again everything is possible with time and = money!!

A  question to the group --- What is the Splined drive = plate made from?  I thought it was simply a machined cast, but it = has been suggested it is a “sintered” casting. (weaker than = normal casting)  Does anyone know?

Neil.

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