X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=G+5i7Os5 c=1 sm=1 tr=0 a=CD5TnntNgZSTsHQ6nLFA4Q==:117 a=xycr6CVXJRVtFs4WRGOeRA==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=kj9zAlcOel0A:10 a=J70Eh1EUuV4A:10 a=YT3Yr15HAAAA:8 a=Ia-xEzejAAAA:8 a=7g1VtSJxAAAA:8 a=mGvHQaeL5TL5wlhs2X8A:9 a=CjuIK1q_8ugA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=wTiroRwonzHjqvaCcHYi:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=grOzbf7U_OpcSX4AJOnl:22 a=pHzHmUro8NiASowvMSCR:22 a=xoEH_sTeL_Rfw54TyV31:22 From: "Marcus 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 12918840 for flyrotary@lancaironline.net; Tue, 03 Sep 2019 08:58:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=47.43.20.28; envelope-from=cardmarc@charter.net Received: from [192.168.1.104] ([97.94.202.172]) by cmsmtp with ESMTPA id 58NXirES3mrIr58NYi6kn8; Tue, 03 Sep 2019 12:57:48 +0000 Authentication-Results: charter.net; none X-Authority-Analysis: v=2.3 cv=eO2nc0h1 c=1 sm=1 tr=0 a=xycr6CVXJRVtFs4WRGOeRA==:117 a=xycr6CVXJRVtFs4WRGOeRA==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=kj9zAlcOel0A:10 a=YT3Yr15HAAAA:8 a=Ia-xEzejAAAA:8 a=7g1VtSJxAAAA:8 a=mGvHQaeL5TL5wlhs2X8A:9 a=CjuIK1q_8ugA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=wTiroRwonzHjqvaCcHYi:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=grOzbf7U_OpcSX4AJOnl:22 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) Date: Tue, 3 Sep 2019 07:57:47 -0500 Subject: Re: [FlyRotary] The ultimate question... Message-Id: References: In-Reply-To: To: Rotary motors in aircraft X-Mailer: iPad Mail (16G77) X-CMAE-Envelope: MS4wfFJdWqP48NpsyZNvDsUDJw0HX84+XTJgL3pg9cwGFROhGxwxS0dGg1SO2ZB68ocgBxf0plToNNRRL3IviA5MrX+Pb7Ea+1rVpztRYuNPmBWdqbEocu4k rlOe3lzvAwiJpQ8BK254gYPgg8RkD6v96qEmE10JtXuHDHwM+D4s1Evk577E4ds8ivEDQgQ6lWT/yg== Weight Marc Sent from my iPad > On Sep 3, 2019, at 2:31 AM, Kent Bedford kbedford@alphalink.com.au wrote: >=20 > ...if someone has an about 450hp four rotor + turbo engine with effective c= ooling, and resolves the torsional vibration and resonance issues (which wil= l partly be resolved by having four rotors anyway), are there any other fore= seeable likely or possible issues that may need to be overcome to successful= ly operate it with a good 500hp-rated PSRU like a Ballistic or similar? >=20 >=20 > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List= .html