X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp102.sbc.mail.re3.yahoo.com ([66.196.96.85] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with SMTP id 4365441 for flyrotary@lancaironline.net; Mon, 21 Jun 2010 17:14:28 -0400 Received-SPF: none receiver=logan.com; client-ip=66.196.96.85; envelope-from=bryanwinberry@bellsouth.net Received: (qmail 99416 invoked from network); 21 Jun 2010 21:13:54 -0000 Received: from acer7fbfa7e2f7 (bryanwinberry@98.88.78.234 with login) by smtp102.sbc.mail.re3.yahoo.com with SMTP; 21 Jun 2010 14:13:53 -0700 PDT X-Yahoo-SMTP: OSuEAS2swBAaBd4uKxevNivslbMG7JXpWjAWZVmoYyRm6qcW_W2VUA-- X-YMail-OSG: JH8WGbIVM1lNo5hYFJ_czZ8bQvVIcfvM8OwWZxgAo4Yu5KrSXteEH8s06z2sJ93TLqTkMtV.WPHcfOu9u.o9GEmCpWwYGD7fnp5kRjrgkDvSePzkHo767mdsGAB1qgVCNvRzSsdXliHiKwJZe9wGrTRzOb7okvsvkTimLZUM4LckOJKy9VPwn7nq_CyXSxNsjtUv.uvFVkfG5q7I20crpIH41H4esNB2yWoigrUq0JWS7RiR7hMizmPIrfYnX_fJb815Vs2vs0cX047hx5TJn9oygabHmW2OSz2WA4Akr.fMRQ2giwymFQK74bcc4lf5FQxHz_hHoXcWc65yzSPJHhM4839wSqIFY6BX33UGY1YgPaPPEp_o1rSwEnIGh3GHvdPLVGc0iw-- X-Yahoo-Newman-Property: ymail-3 From: "Bryan Winberry" To: "'Rotary motors in aircraft'" References: Subject: RE: [FlyRotary] Periphery ported 13B Date: Mon, 21 Jun 2010 17:13:48 -0400 Message-ID: <44EA1744F46F4244B803163B309B79DB@acer7fbfa7e2f7> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D9_01CB1165.1D855EC0" X-Mailer: Microsoft Office Outlook 11 In-Reply-To: Thread-Index: AcsRhTuxUhT+o7MhTBeNZeGvquGxqgAANDSg X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 This is a multi-part message in MIME format. ------=_NextPart_000_00D9_01CB1165.1D855EC0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Regarding FF, I meant with respect to stock intake system on the Renesis. For instance, will FF rate be equal for same RPM, or higher on PP? _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lynn Hanover Sent: Monday, June 21, 2010 5:03 PM To: Rotary motors in aircraft Subject: [FlyRotary] Periphery ported 13B All this talk of additional power coupled with an easier intake design has me thinking I should probably go this direction with my Renesis. It's still on the stand after rebuild. I haven't constructed the manifold yet anyway. I assume fuel flow will be higher than normal? Higher than a similar piston engine of the same HP. Slightly higher. About.666 the devils own fuel consumption at full throttle best power. Looking for F/A in the 12s, and EGT under 1650 degrees. However the rotary can run well far lean of peak EGT. Even further with a high powered ignition system. The piston engines cannot. Is slide throttle best option? I never understood what problem the slide throttle was supposed to cure. Powersport had a butterfly right on the rotor housing to cure a poor idle. Our Pports didn't like to idle at street car RPM (650 RPM) but did well at 1,100 RPM, and sounded fine. That with a 48 IDA Weber with 44MM chokes. Only an unported (stock) Renesis has no overlap. Peripheral porting a Renesis would get you some overlap, but nothing like Peripheral porting a side port rotor housing where you have two peripheral ports together.. On this dyno sheet there are readings at as low an RPM as I have seen. This is a racing 12-A by Daryl Drummond. Best power at 9,400 RPM and 244.7 HP on 36 MM chokes. Look at the F/A and EGTs. Note the effort to keep the oil temps down to 160 degrees. This is a Bridgeported side port engine. The 13B would have more everywhere just from more displacement. Injected maybe 5% more. A Periphery port maybe 10% more. Lynn E. Hanover Need to search archives I guess. Good info Lynn, Thanks Bryan ------=_NextPart_000_00D9_01CB1165.1D855EC0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Regarding FF, I meant with respect = to stock intake system on the Renesis.  For instance, will FF rate be = equal for same RPM, or higher on PP?

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lynn Hanover
Sent: Monday, June 21, = 2010 5:03 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] = Periphery ported 13B

 

All this talk of additional power coupled with an easier = intake design has me thinking I should probably go this direction with my = Renesis.  It’s still on the stand after = rebuild.

I haven’t constructed the manifold yet = anyway.

 

I assume fuel flow will be higher = than normal?

 

Higher than a similar piston engine = of the same HP. Slightly higher. About.666 the devils own fuel consumption at = full throttle best power. Looking for F/A in the 12s, and EGT under 1650 = degrees.

 

However the rotary can run well far = lean of peak EGT. Even further with a high powered ignition system. The = piston engines cannot.

 

Is slide throttle best = option?

 

I never understood what problem the = slide throttle was supposed to cure. Powersport had a butterfly right on the = rotor housing to cure a poor idle. Our Pports didn't like to idle at street = car RPM (650 RPM) but did well at 1,100 RPM, and sounded fine. That with a 48 = IDA Weber with 44MM chokes.

 

Only an unported (stock) Renesis = has no overlap. Peripheral porting a Renesis would get you some overlap, but = nothing like Peripheral porting a side port rotor housing where you have two = peripheral ports together..

 

On this dyno sheet there are = readings at as low an RPM as I have seen. This is a racing 12-A by Daryl Drummond. = Best power at 9,400 RPM and 244.7 HP on 36 MM = chokes. 

 

Look at the F/A and EGTs. Note the = effort to keep the oil temps down to 160 degrees. =  

This is a Bridgeported side port = engine. The 13B would have more everywhere just from more displacement. Injected = maybe 5% more. A Periphery port maybe 10% more.

 

 

Lynn E. = Hanover

 

Need to search archives I = guess.

 

Good info Lynn, Thanks

 

Bryan

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