X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=H+OlPNQi c=1 sm=1 tr=0 a=mX+J7ikDS4dPfkq5Rxpi0w==:117 a=21gcaJef8zbaCGV4FGVwWA==:17 a=IkcTkHD0fZMA:10 a=x7bEGLp0ZPQA:10 a=CKeqCrOqW6IA:10 a=MeAgGD-zjQ4A:10 a=udN-fbTCTSrpVVvMqjUA:9 a=QEXdDO2ut3YA:10 From: "Stephen Izett stephen.izett@gmail.com" Received: from mail-pl1-f175.google.com ([209.85.214.175] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 13181899 for flyrotary@lancaironline.net; Fri, 15 Nov 2019 17:41:27 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.175; envelope-from=stephen.izett@gmail.com Received: by mail-pl1-f175.google.com with SMTP id e3so5637435plt.7 for ; Fri, 15 Nov 2019 14:41:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:subject:message-id:date :to; bh=PyxQNujCAzqxrBWhxlr8fux7VC1dUHlNgJ3sfw+igVY=; b=B+ahg8XPEFzmtrZQb7dPmGyRjNvADpniot0jyIOo3HTEyCxQ0mmByVRZWxhJ+ftqtz WgrcXlGFEpzVu8TW5z2c29C9V0UNcAUIvh/EhldMm50kpalALvoAJreGhMiRpfoHHJD6 /UBv/Gde9381er+61son2oMPQEI4zJy8JpxZRlN0VcDJjA048yRzLxw4wQ2ET4PmH9mk /EtbD870ogOwYkm5Q/womOiJwOqwt/ReZdh0TaX0kbnG/59lEgXm66KWG9fBtWiMxBD+ Z3UlLgxcGYi46na0kvIV3n1wrct6SQ0rufC6FbWQ7FwiTc0kJI1YeOu7cz1T0L0pgC5B 7xTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:message-id:date:to; bh=PyxQNujCAzqxrBWhxlr8fux7VC1dUHlNgJ3sfw+igVY=; b=LNbVfh+I1BMUgDD6Me4Gbjr8Zq1hS4U+3XIs5tUkIuFyz8V0GrUU5ULfnoyjVQup+2 aFB2fJbXPc8sZ9ID0PyIyFkLfC7usQsZFNErQYu9plFBSC3mJ3hbhy2uWkIkBucSPQb1 e/scLWaJOOQZKACsLRbH3VapAPyhB89gLCTmBCz34qNZfkKUZCh/IqDBxEyTq8dkBDE+ UvoF1R3HRk740EeXWjEGoZV/t7bjbHJbZHDghfJQuxII2P2/b9AmzhB92GtxwFzcmagb vL/fR5Cqf9E2vKEWIKtpwEy/pirLx2Lbvyv2E4tsrXgLxfE95NS+sc48K4y43PsyJ8h3 5qqA== X-Gm-Message-State: APjAAAXwshxzMrEU8TV4QKtUeHx2keI5upAjB9yZJDJGRdvY93HpOSC1 mI1oYK1LJ+ao4CYZejtroPWO3eua X-Google-Smtp-Source: APXvYqwWei+uTMrgq6IgipRuHMoOANmdQ49L/bXzWtEfywhcODGAgKOzy0lhv9tdlOVdWxzcoLoCCA== X-Received: by 2002:a17:90a:3264:: with SMTP id k91mr22401945pjb.23.1573857669898; Fri, 15 Nov 2019 14:41:09 -0800 (PST) Return-Path: Received: from macbook-pro.lan ([118.209.180.176]) by smtp.gmail.com with ESMTPSA id c184sm12730925pfc.159.2019.11.15.14.41.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 Nov 2019 14:41:09 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) Subject: Electrical power Message-Id: <04269486-DDE1-45A4-A532-0ED17AE470FD@gmail.com> Date: Sat, 16 Nov 2019 06:41:05 +0800 To: Rotary motors in aircraft X-Mailer: Apple Mail (2.3445.104.11) Hi Guys I=E2=80=99m reviewing our electrical system and thought as its a = critical system i should get the wisdom of what other decided as far as = risk. If people have circuit diagrams that would help. I have an electronics background. My key questions are around: Battery/s (single/dual) If dual - how have you implemented? Alternator (Capacity to control - Over Voltage etc.) Switching (How you switch the electrons on/off - I recently had a Narva = Ignition switch failure) Failure modes and emergency response plans Much appreciated. Steve Izett Glasair Super IIRG - In Phase #1 testing. Perth Western Australia