X-Virus-Scanned: clean according to Sophos on Logan.com From: "Bobby J. Hughes" Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 6.1.2) with ESMTP id 7738494 for flyrotary@lancaironline.net; Sun, 07 Jun 2015 11:25:29 -0400 Received-SPF: pass receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Received: from 10.0.0.5 ([10.0.0.5]) by qnsi-mail.qnsi.net ([10.0.0.5]) with Microsoft Exchange Server HTTP-DAV ; Sun, 7 Jun 2015 15:24:55 +0000 Content-Type: multipart/alternative; boundary="Apple-Mail-BB255B15-695A-4DB6-8579-CB1168882D2B"; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Subject: Re: [FlyRotary] new operating question References: In-Reply-To: thread-topic: [FlyRotary] new operating question thread-index: AdChNhsrjvysXcHxT0CkZAeHw/8kPw== Message-ID: <4ACC18D7-C80C-48D9-8395-571E2EE330B1@qnsi.net> Date: Sun, 7 Jun 2015 10:24:54 -0500 To: "Rotary motors in aircraft" MIME-Version: 1.0 (1.0) --Apple-Mail-BB255B15-695A-4DB6-8579-CB1168882D2B Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Rich,=20 My normal, not in a hurry settings.=20 38" MP / 7000 rpm for takeoff and initial climb with F/A 12.5-12.0. Cruise c= limb 5800 rpm 30-32" MP F/A 13.5- 12.5. Preferred cruise rpm 4800- 5200 At l= ess than 30" MP and F/A 15.8-16.0. Full throttle. Prop rpm controls engine= rpm and super charger bypass controls MP. A turbo charger and automotive wa= ste gate would likely require throttle management during high rpm operations= .=20 Bobby Hughes=20 Super charged Renesis with electric MT prop. (New Turbo charger and a 20B on the bench- still haven't made a decision abo= ut upgrading the RV10. ) Sent from my iPad > On Jun 7, 2015, at 9:34 AM, ARGOLDMAN wrote:= >=20 > Greetings genlepeople of the rotary pursuasion, > =20 > For those of you using variable pitch (C/S) props, an operating question t= hat has been bugging me. Perhaps the collective wisdom of this group can set= my mind at rest. > =20 > In piston aircraft engines, the concept of running over squared MP vs RPM= has been heavily questioned to the extent that some suggest running at full= throttle all the time and controlling the power output via RPM (within reas= on). The thought is to, I believe, eliminate the induction restriction of th= e butterfly valve increasing the efficiency. > =20 > Now we have a rotor spinning, a gear box gearing and a propeller propellin= g. Does this concept hold true for the rotaries. What are people doing in te= rms of setting power after take off (full throttle max RPM). > =20 > My enquiring and rotating mind wants to know.=20 > =20 > (Unturbocharged Renesis with RD1-c Box) > =20 > Thanks > =20 > Rich --Apple-Mail-BB255B15-695A-4DB6-8579-CB1168882D2B Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: base64 PGh0bWw+PGhlYWQ+PG1ldGEgaHR0cC1lcXVpdj0iY29udGVudC10eXBlIiBjb250ZW50PSJ0ZXh0 L2h0bWw7IGNoYXJzZXQ9dXRmLTgiPjwvaGVhZD48Ym9keSBkaXI9ImF1dG8iPjxkaXY+UmljaCwm bmJzcDs8L2Rpdj48ZGl2Pk15IG5vcm1hbCwgbm90IGluIGEgaHVycnkgc2V0dGluZ3MuJm5ic3A7 PC9kaXY+PGRpdj48YnI+PC9kaXY+PGRpdj4zOCIgTVAgLyA3MDAwIHJwbSBmb3IgdGFrZW9mZiBh bmQgaW5pdGlhbCBjbGltYiB3aXRoIEYvQSAxMi41LTEyLjAuIENydWlzZSBjbGltYiA1ODAwIHJw bSAzMC0zMiIgTVAgRi9BIDEzLjUtIDEyLjUuIFByZWZlcnJlZCBjcnVpc2UgcnBtIDQ4MDAtIDUy MDAgQXQgbGVzcyB0aGFuIDMwIiBNUCBhbmQgRi9BIDE1LjgtMTYuMC4gJm5ic3A7RnVsbCB0aHJv dHRsZS4gJm5ic3A7UHJvcCBycG0gY29udHJvbHMgZW5naW5lIHJwbSBhbmQgc3VwZXIgY2hhcmdl ciBieXBhc3MgY29udHJvbHMgTVAuIEEgdHVyYm8gY2hhcmdlciBhbmQgYXV0b21vdGl2ZSB3YXN0 ZSBnYXRlIHdvdWxkIGxpa2VseSByZXF1aXJlIHRocm90dGxlIG1hbmFnZW1lbnQgZHVyaW5nIGhp Z2ggcnBtIG9wZXJhdGlvbnMuJm5ic3A7PC9kaXY+PGRpdj48YnI+PC9kaXY+PGRpdj5Cb2JieSBI dWdoZXMmbmJzcDs8L2Rpdj48ZGl2PlN1cGVyIGNoYXJnZWQgUmVuZXNpcyB3aXRoIGVsZWN0cmlj IE1UIHByb3AuPC9kaXY+PGRpdj4oTmV3IFR1cmJvIGNoYXJnZXIgYW5kIGEgMjBCIG9uIHRoZSBi ZW5jaC0gc3RpbGwgaGF2ZW4ndCBtYWRlIGEgZGVjaXNpb24gYWJvdXQgdXBncmFkaW5nIHRoZSBS VjEwLiApPC9kaXY+PGRpdj48YnI+PC9kaXY+PGRpdj48YnI+PGJyPlNlbnQgZnJvbSBteSBpUGFk PC9kaXY+PGRpdj48YnI+T24gSnVuIDcsIDIwMTUsIGF0IDk6MzQgQU0sIEFSR09MRE1BTiAmbHQ7 PGEgaHJlZj0ibWFpbHRvOmZseXJvdGFyeUBsYW5jYWlyb25saW5lLm5ldCI+Zmx5cm90YXJ5QGxh bmNhaXJvbmxpbmUubmV0PC9hPiZndDsgd3JvdGU6PGJyPjxicj48L2Rpdj48YmxvY2txdW90ZSB0 eXBlPSJjaXRlIj48ZGl2Pg0KDQo8bWV0YSBjb250ZW50PSJ0ZXh0L2h0bWw7IGNoYXJzZXQ9VVMt QVNDSUkiIGh0dHAtZXF1aXY9IkNvbnRlbnQtVHlwZSI+DQo8bWV0YSBuYW1lPSJHRU5FUkFUT1Ii IGNvbnRlbnQ9Ik1TSFRNTCAxMS4wMC45NjAwLjE3ODAxIj4NCjxmb250IGlkPSJyb2xlX2RvY3Vt ZW50IiBjb2xvcj0iIzAwMDAwMCIgc2l6ZT0iMiIgZmFjZT0iQXJpYWwiPg0KPGRpdj48Zm9udCBz dHlsZT0iQkFDS0dST1VORC1DT0xPUjogdHJhbnNwYXJlbnQiIGNvbG9yPSIjMDAwMDAwIiBzaXpl PSIyIiBmYWNlPSJBcmlhbCI+R3JlZXRpbmdzIGdlbmxlcGVvcGxlIG9mIHRoZSByb3RhcnkgcHVy c3Vhc2lvbiw8L2ZvbnQ+PC9kaXY+DQo8ZGl2PiZuYnNwOzwvZGl2Pg0KPGRpdj5Gb3IgdGhvc2Ug b2YgeW91IHVzaW5nIHZhcmlhYmxlIHBpdGNoIChDL1MpIHByb3BzLCBhbiBvcGVyYXRpbmcgcXVl c3Rpb24gDQp0aGF0IGhhcyBiZWVuIGJ1Z2dpbmcgbWUuIFBlcmhhcHMgdGhlIGNvbGxlY3RpdmUg d2lzZG9tIG9mIHRoaXMgZ3JvdXAgY2FuIHNldCBteSANCm1pbmQgYXQgcmVzdC48L2Rpdj4NCjxk aXY+Jm5ic3A7PC9kaXY+DQo8ZGl2PkluIHBpc3RvbiBhaXJjcmFmdCBlbmdpbmVzLCB0aGUgY29u Y2VwdCBvZiBydW5uaW5nIG92ZXIgc3F1YXJlZCZuYnNwOyANCk1QJm5ic3A7dnMgUlBNIGhhcyBi ZWVuIGhlYXZpbHkgcXVlc3Rpb25lZCB0byB0aGUgZXh0ZW50IHRoYXQgc29tZSBzdWdnZXN0IA0K cnVubmluZyBhdCBmdWxsIHRocm90dGxlIGFsbCB0aGUgdGltZSBhbmQgY29udHJvbGxpbmcgdGhl IHBvd2VyIG91dHB1dCB2aWEgUlBNIA0KKHdpdGhpbiByZWFzb24pLiBUaGUgdGhvdWdodCBpcyB0 bywgSSBiZWxpZXZlLCBlbGltaW5hdGUgdGhlIGluZHVjdGlvbiANCnJlc3RyaWN0aW9uIG9mIHRo ZSBidXR0ZXJmbHkgdmFsdmUgaW5jcmVhc2luZyB0aGUgZWZmaWNpZW5jeS48L2Rpdj4NCjxkaXY+ Jm5ic3A7PC9kaXY+DQo8ZGl2Pk5vdyB3ZSBoYXZlIGEgcm90b3Igc3Bpbm5pbmcsIGEgZ2VhciBi b3ggZ2VhcmluZyBhbmQgYSBwcm9wZWxsZXIgDQpwcm9wZWxsaW5nLiBEb2VzIHRoaXMgY29uY2Vw dCBob2xkIHRydWUgZm9yIHRoZSByb3Rhcmllcy4gV2hhdCBhcmUgcGVvcGxlIGRvaW5nIA0KaW4g dGVybXMgb2Ygc2V0dGluZyBwb3dlciBhZnRlciB0YWtlIG9mZiAoZnVsbCB0aHJvdHRsZSZuYnNw O21heCBSUE0pLjwvZGl2Pg0KPGRpdj4mbmJzcDs8L2Rpdj4NCjxkaXY+TXkgZW5xdWlyaW5nIGFu ZCByb3RhdGluZyBtaW5kIHdhbnRzIHRvIGtub3cuJm5ic3A7PC9kaXY+DQo8ZGl2PiZuYnNwOzwv ZGl2Pg0KPGRpdj4oVW50dXJib2NoYXJnZWQgUmVuZXNpcyB3aXRoIFJEMS1jIEJveCk8L2Rpdj4N CjxkaXY+Jm5ic3A7PC9kaXY+DQo8ZGl2PlRoYW5rczwvZGl2Pg0KPGRpdj4mbmJzcDs8L2Rpdj4N CjxkaXY+UmljaDwvZGl2PjwvZm9udD48L2Rpdj48L2Jsb2NrcXVvdGU+PC9ib2R5PjwvaHRtbD4= --Apple-Mail-BB255B15-695A-4DB6-8579-CB1168882D2B--