X-Virus-Scanned: clean according to Sophos on Logan.com From: "Bill Bradburry" Received: from vms173019pub.verizon.net ([206.46.173.19] verified) by logan.com (CommuniGate Pro SMTP 6.1.2) with ESMTPS id 7739234 for flyrotary@lancaironline.net; Mon, 08 Jun 2015 00:31:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.19; envelope-from=bbradburry@verizon.net Received: from Desktop ([71.164.185.6]) by vms173019.mailsrvcs.net (Oracle Communications Messaging Server 7.0.5.32.0 64bit (built Jul 16 2014)) with ESMTPA id <0NPL000A3Z718HG0@vms173019.mailsrvcs.net> for flyrotary@lancaironline.net; Sun, 07 Jun 2015 23:30:38 -0500 (CDT) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.1 cv=Za3gTZhA c=1 sm=1 tr=0 a=20weQFHSdBTlwctzPCQ/Gw==:117 a=kUPQlYmSbg0A:10 a=o1OHuDzbAAAA:8 a=oR5dmqMzAAAA:8 a=-9mUelKeXuEA:10 a=XAFQembCKUMA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=9iDbn-4jx3cA:10 a=cKsnjEOsciEA:10 a=gZbpxnkM3yUA:10 a=utgO0FMuAAAA:8 a=Ia-xEzejAAAA:8 a=N0UgWG98QclehaTSxyMA:9 a=CjuIK1q_8ugA:10 a=5C9b1urg-XMA:10 a=SSmOFEACAAAA:8 a=w9QF54yx5oDwQjFVQr8A:9 a=7jykwRJlBNIB2FlZ:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 To: "'Rotary motors in aircraft'" References: In-reply-to: Subject: RE: [FlyRotary] Re: new operating question Date: Sun, 07 Jun 2015 23:30:38 -0500 Message-id: <3B4F28A196794C7D85823178D8DEB291@Desktop> MIME-version: 1.0 Content-type: multipart/alternative; boundary="----=_NextPart_000_0000_01D0A179.F6BCAFA0" X-Mailer: Microsoft Office Outlook 11 Thread-index: AdChcpOxd6rmeXRBSHGGxackrTe4YAAMSg4g X-MIMEOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01D0A179.F6BCAFA0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I suppose it would help to attach the link..!!? :>) http://rotarycarclub.com/rotary_forum/showthread.php?t=12767 Bill _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Sunday, June 07, 2015 5:37 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: new operating question Mark, Here is a dyno chart where a semi p-port (I don't know what that means) 20B is making about 190 hp at 5100 rpm. Do you think that is about what your engine is doing based on your plane's performance vs ESs with IO-550s in them? Bill _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Sunday, June 07, 2015 5:13 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: new operating question Rich, I've been running a constant speed M/T on my. 3-rotor for years now. I typically adjust prop rpm for a max of 7k rpm for takeoff, WOT. Once a climb has been established I bring the rpm down to around 6k for the remainder of climb. For cruise, I leave throttle set to WOT, but set rpm via prop setting to give 5100 rpm. For sightseeing flights, I'll back off the throttle to give around 150 kts. Mark Sent from my iPad On Jun 7, 2015, at 9:33 AM, ARGOLDMAN wrote: Greetings genlepeople of the rotary pursuasion, For those of you using variable pitch (C/S) props, an operating question that has been bugging me. Perhaps the collective wisdom of this group can set my mind at rest. 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 reason). The thought is to, I believe, eliminate the induction restriction of the butterfly valve increasing the efficiency. Now we have a rotor spinning, a gear box gearing and a propeller propelling. Does this concept hold true for the rotaries. What are people doing in terms of setting power after take off (full throttle max RPM). My enquiring and rotating mind wants to know. (Unturbocharged Renesis with RD1-c Box) Thanks Rich ------=_NextPart_000_0000_01D0A179.F6BCAFA0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I suppose it would help to attach = the link….!!?   :>)

 

h= ttp://rotarycarclub.com/rotary_forum/showthread.php?t=3D12767

 

Bill

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Sunday, June 07, = 2015 5:37 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = new operating question

 

Mark,

 

Here is a dyno chart where a semi = p-port (I don’t know what that means) 20B is making about 190 hp at 5100 rpm.  Do you think that is about what your engine is doing based on = your plane’s performance vs ESs with IO-550s in = them?

 

Bill

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Sunday, June 07, = 2015 5:13 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = new operating question

 

Rich,

I've been running a constant speed M/T on my. 3-rotor for years = now. I typically adjust prop rpm for a max of 7k rpm for takeoff, WOT.  Once a climb = has been established I bring the rpm down to around 6k for the remainder of = climb. For cruise, I leave throttle set to WOT, but set rpm via prop setting to = give 5100 rpm.  For sightseeing flights, I'll back off the throttle to = give around 150 kts. 

 

Mark

Sent from my iPad


On Jun 7, 2015, at 9:33 AM, ARGOLDMAN <flyrotary@lancaironline.net> wrote:

Greetings = genlepeople of the rotary pursuasion,

 

=

For those of you using variable = pitch (C/S) props, an operating question that has been bugging me. Perhaps the collective wisdom of this group can set my mind at = rest.

 

=

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 reason). The thought is to, I believe, eliminate the induction restriction of the butterfly valve increasing = the efficiency.

 

=

Now we have a rotor spinning, a = gear box gearing and a propeller propelling. Does this concept hold true for the rotaries. What are people doing in terms of setting power after take off = (full throttle max RPM).

 

=

My enquiring and rotating mind = wants to know. 

 

=

(Unturbocharged Renesis with RD1-c = Box)

 

=

Thanks

=

 

=

Rich

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