X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmfepo101.cox.net ([68.230.241.143] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTP id 4905474 for flyrotary@lancaironline.net; Mon, 14 Mar 2011 02:25:50 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.143; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmfepo101.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20110314062513.KCFU17030.fed1rmfepo101.cox.net@fed1rmimpo03.cox.net> for ; Mon, 14 Mar 2011 02:25:13 -0400 Received: from BigAl ([72.199.216.14]) by fed1rmimpo03.cox.net with bizsmtp id JuRD1g0080KDB3c04uRD6p; Mon, 14 Mar 2011 02:25:13 -0400 X-VR-Score: -100.00 X-Authority-Analysis: v=1.1 cv=+7g07FftAVK5SzfBDSzY8IJIWiAWL38p2qa3Op/8zMo= c=1 sm=1 a=X9gsYuSiZwkA:10 a=TPvrVRyicAsl4VeEYn0L5g==:17 a=Ia-xEzejAAAA:8 a=aqbCFVM2AAAA:8 a=RMaiJEGVAAAA:8 a=iksI56yM9MmthiV4A4IA:9 a=1q-Dx6sfbIfWnsm_z8UA:7 a=Ydg4XpxlTBoSysat2Jw-3mP6UK4A:4 a=CjuIK1q_8ugA:10 a=dw6XmgibHwQA:10 a=tXcarIeGnVYA:10 a=E0nWgSthiVIA:10 a=FeQN90nXSYAA:10 a=EzXvWhQp4_cA:10 a=c9EzqnwR0tUA:10 a=FGINFF-h6CuWHrWI:21 a=5din_Fh2gsz1XGQs:21 a=KxuMX9wriy7cr_ggqZIA:9 a=7Kth1rNKrJLkzmxsB-wA:7 a=6YBQKiAjiLjaZl6E0a7fLorvS1QA:4 a=jHEDC6EaesKvcm2UKUMA:9 a=FhoxTsrB6iqwc-YyRmEfBay3tOwA:4 a=1Vq_FK4TplAA:10 a=2UObvGdkA9g9R0zms_4A:9 a=TPvrVRyicAsl4VeEYn0L5g==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Marcotte PSRU vs 550HP Turbo/20B Date: Sun, 13 Mar 2011 23:24:52 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0020_01CBE1D5.DAF034D0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6863 In-Reply-To: Importance: Normal Thread-Index: Acvh4xSfYa4v1aPNRseHhh1ltLgy8wAMzRsg X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 This is a multi-part message in MIME format. ------=_NextPart_000_0020_01CBE1D5.DAF034D0 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0021_01CBE1D5.DAF034D0" ------=_NextPart_001_0021_01CBE1D5.DAF034D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable . However on my application it is actually a plus. How much HP do you estimate on your Velocity?=20 Tom Mine is ormally aspirated with the 9:1 rotors. Before break-in, the = dyno runs gave WOT power (corrected to sea level, standard day) shown below. = Max prop rpm is 3000 (6500 engine); so 'rated' power is 275 hp. But then of course we never fly at sea level. Takeoff WOT climb is typically less = than 250 hp; cruise power at altitude more like 150 hp. That gets me lean = cruise of 170 KTAS at 10 gph. Quite satisfactory. On Mar 13, 2011, at 9:41 PM, Al Gietzen wrote: Tom; =20 I have no comment about the quality/capacity of the Marcotte; but I = think the 2.4 ratio is a good one. I had considered the Marcotte for that = reason, but liked the in-line drive of the planetary, and had more confidence in Tracy's overall design and coupling design. =20 Al (Velocity 20B; 210 hours and counting) =20 -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Thomas Giddings Sent: Sunday, March 13, 2011 11:37 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Marcotte PSRU vs 550HP Turbo/20B =20 Thanks Kelly for the reply...Guy Marcotte claims 600HP is not a = problem....I would really like to hear from others with first hand knowledge...I just read of his PSRU being used on a Glassair /Suburu project. They had = broken the gear ,but it was from a prop strike...I am gathering up what I need = to mock this up in the Airframe and need to make a decision on it fairly soon...Honestly I had made my mind up it was the best choice for my application . Tom Giddings VP Avionics Sales MIDWEST AVIONICS 200 Hardy Roberts Dr PO Box 219 West Paducah,KY 42086 877-904 9966 Cell; 727 858-1772 FAX:270 744 3466 tom@midwestaviation.net Online Store www.midwest-avionics.com =20 On Mar 13, 2011, at 3:15 PM, Kelly Troyer wrote: =20 Thomas, What HP rating is Marcotte claiming for his PSRU ?...............From the experience of a few users on this group and others using product have reported it seems to have a checkered operational and maintenance history..............John of this group (13B/Marcotte in Tailwind) reported a problem he had to resolve not long ago..............John jump in here and give Thomas = your experience and if you think this PSRU will stand up to a Turbo/20B of about 550+ = HP..................I personally would have severe reservations about the Marcotte at that power level..............FWIW =20 =20 Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo =20 =20 _____ =20 From: Thomas Giddings To: Rotary motors in aircraft Sent: Sun, March 13, 2011 1:37:10 PM Subject: [FlyRotary] Re: Crankcase ventilation Does anyone have any experience using a 2.40 gear reduction on the 20B? = I am going to use the Marcotte PSRU only because he has a much higher HP = Rating and it is only offered in the 2.40 ratio in the configuration I am = using. However I notice everyone uses the 2.85 more commonly. Is there a = specific reason why this would be better for the 20B?. I would appreciate any = input any of you might have to offer. =20 Kind Regards Tom=20 =20 =20 =20 ------=_NextPart_001_0021_01CBE1D5.DAF034D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

. However on my application it is actually a = plus. How much HP do you estimate on your Velocity? 

Tom

Mine is ormally aspirated with the 9:1 rotors.  Before break-in, the = dyno runs gave WOT power (corrected to sea level, standard day) shown below.  Max = prop rpm is 3000 (6500 engine); so ‘rated’ power is 275 hp.  = But then of course we never fly at sea level. Takeoff WOT climb is typically = less than 250 hp; cruise power at altitude more like 150 hp. That gets me = lean cruise of 170 KTAS at 10 gph. Quite satisfactory.

On Mar 13, 2011, at 9:41 PM, Al = Gietzen wrote:



Tom;

 

I have no comment about the quality/capacity of the Marcotte; but I think = the 2.4 ratio is a good one. I had considered the Marcotte for that reason, but = liked the in-line drive of the planetary, and had more confidence in Tracy’s overall design and coupling = design.

 

Al (Velocity 20B; 210 hours = and counting)

 

-----Original = Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Thomas Giddings
Sent: Sunday, March 13, 2011 11:37 = AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Marcotte PSRU = vs 550HP Turbo/20B

 

Thanks Kelly for the reply...Guy Marcotte = claims 600HP is not a problem....I would really like to hear from others with first = hand knowledge...I just read of his PSRU being used on a Glassair /Suburu = project. They had broken the gear ,but it was from a prop strike...I am gathering = up what I need to mock this up in the Airframe and need to make a decision = on it fairly soon...Honestly I had made my mind up it was the best choice for = my application .

Tom Gid= dings
VP Avionics Sales

MIDWEST AVIONICS
200 Hardy Roberts = Dr
PO Box 219
West = Paducah,KY 42086=
877-904 9966
Cell; 727 858-1772
FAX:270 744 3466
tom@midwestaviation.net


<image001.jpg>

 

On Mar 13, 2011, at 3:15 PM, = Kelly Troyer wrote:

 

Thomas,

    &nbs= p;   What HP rating is Marcotte claiming for his PSRU ?...............From the experience of a few = users

on this group and = others using product have reported it seems to have a checkered = operational and

maintenance history..............John of this group (13B/Marcotte in Tailwind) = reported a problem he had

to resolve not long ago..............John jump in here and give Thomas your experience and = if you think

this PSRU will stand up to = a Turbo/20B of about 550+ HP..................I personally would have = severe

reservations about the = Marcotte at that power level..............FWIW

 
 

Kelly Troyer
"DYKE DELTA = JD2" (Eventually)

"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold

"TURBONETICS"_TO4E50 = Turbo

 

 

 

------=_NextPart_001_0021_01CBE1D5.DAF034D0-- ------=_NextPart_000_0020_01CBE1D5.DAF034D0 Content-Type: image/gif; name="image001.gif" Content-Transfer-Encoding: base64 Content-ID: R0lGODlhQwHnAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAEAAQBB AeUAhAAAAAAAAAAA/zQ0NElJNlxcXERERFRUVGJiSXV1V2hoaISEY5KSbZ6edoCAgJ2dnampfrKy hby8jL+/v7e3t6enp6+vr9XVn8TEk83NmdzcpP8AAPHxtOPjqeHh4QECAwX/YCCOZGmeaKqubOu+ cCzPdG3fuO3tfO//wKBwSCwaj8ikcslsOp/QKFMkrVqv2Kx2y+1Gqd6weEwum89DMHqN5Ljf8Lh8 Tq/b7/i8fu9m+3dqf4I/fIWGh4iJd4NrgYyMipGSk5R9j2aOl3+VnJ2edJplmaFrn6anlKRjo6pm qK+wha1hrLNjcSRvInAjbru6Ab7BwMK9HL/Fuccry8a8Jc3GyiZytl211l64wci/0N290rvgzcl0 3sPEy3Pkz8Lq1dla2PJb2+/m4em54tz7/sOUyUF3b93AfwUTxqmXhR5DLAWRGaQ2MYXBdS3cRRsn MCHFjhLhPLzicGSViOkq/5bbaJGcRXYBU2KUCS+kxosLTUopqRPKvZAExSWj5hLFuZgoYcLD1y5e zyc8nzbZZpPgzGf+KgrlCE0dUaQHgU1zhlOkVCdRzyqJxbYtKLVTAsDN4rZu3blLAo3oQQJQWp12 A8fCq0QNFcNy/Xr4O1JwngsXHBsinCQTmL6L5TJ+2AmDCAz43HgeEbms6Ts2OYwOADrCiAjNFiSi jMQR4sy4LefYnaMTAxEMQi/D4JmAsNGgUSAHJsHNggWjZbshwHoXggAZAiRY9jwR7+86aifmO17x 4fKAmDjIq34tJ+oBjOOsGuB6fXwNWNtHIBZOggANyKEBAbJx1AwEsyWxXv9h7bEnHg/nmafZhD+g d8SClTXYRiUXkBCZRFwNhVR+yTlDlgYiaBAHA8Fd1ZEsCjqoBIYZPgihXpftVaGGtfFoBCcQBCCB BAEgCCJrowlD3TMYEIAgB0tiBQd88qmm3RvXdcjfCFVOFiODS9DYo407+WiEhUaIWQQn13XQwX0S rcbacSIEyMF/JYxm50puEDnndLkEKYKRgyaIhJpFoFkEoolWpugUZjYapnuSVVrJjDJ+CeYRmwXx 6BCMphHpEJaWOgmmm2paI6efpnpopq8mYeqshl4Iq623ptHqqqpyOqoQtAYLY6y8ElssEZ0CsSsQ oQqx7A/NOjupq7hSuyj/pNMemya2rFrxrA/RKvurqKhqe22uRIQrbrZjlmuup99K6q6v7LZrLL3z 4nuvvvvK2yu/yMaLrAMEF2zwwQgnrPDCDDfs8MMQRyzxxBRXbPHFGF8cb7I71nvmuNLm62+/I2+L brong8rtmQKTKzKyIHvqcckmW4tyykKo60PLHui8s6PextzxyzATHbLRR5NcNNLrMt00y0HPvPS/ Hzv9s9RTV/uuyjbf3LWyPMuMddJKu1y22FZfTTXN526d88qJhv302XNrba/dVafN19hk4822127v LPfQa5tNd91t3+3332/jHITPEApNeNxR650e32gfrnbhhtccOLOOgx76/43kladjZmjyDPnllrOu +d6YIw644p4DXLvtzo4XYW4UWiY57K0vFvvmrwNffOTDG3+865QLLiHvky/e+e15L6863NQz3vjn 0GKvq/PP76689H1nn7X55SdO++y4s6/9497nXmFiEYp/I3j456///vz3778LQHse9OzHPPJlbnnC a931RteD1RUQfQc0YAS/d7/70e9044Og7Nz3vu59bXvca2D8ODiEDfwug/KrwgJDKEIG8sCBK2Th DhyYQMttIAAmDN7GBkc8CUZPgxsEYfu49kHRFdGIRNiAEpXogRwicIeV49wE1TdE+B3Rg1dsYRa1 uAMn9mCJJsRh8lAIr/8oWu+EyJNiEIVYRSSuD3AmzCEY5cjEMaYRaipEYw3VuEY3Vu+Jdnxg2+K4 RB/UMYZvBJsZfdhDIP6QhOmDZCTZ+MdqMdGLffRjJSlYpkAiso1YTCQlOwiuEQqhjoQkZSldyLFG UlGVXBSlJs/nSFcSUYYmdEAdQRlKWZJnkbW8IyAVqMc9MtKWhiRkHGU4Q1POz1sZi6Y0p0nNalqT mhsg2BJ1eU1qQjGPnixmy2AozkAaMwiFXOYWX+hM8HWSmOYcpwvZOc+ejZCO6iRnPAP4Tj4ic5S0 lGQme8nLWOLLi6nsIj2ZaU9W8pCMtyyoQTcp0EdW1KIAJZc65zjL6b3/EpathGhGp3jRf3Z0kiMl aUrFpcxlYnKhviQoRcsITnjqMJz7vOklv7hSk54Upe78gh4/OdOeitSK62xoEub4UqMK85hH/WUF LeiX1A21nDb1p09XiYSEavWpwQRrCqGnGAFGVaYBLelZJ5rWiEq0mV1tohizOsxugQ8zBDxnWPX6 0bYiNaZcZSbkdorTm5KprAOk0FYD+1a4JlWfhvUnKonq178CFjdS/WVe/8fZznq2f0r8rGjTgiPN 9s5ClPWoWsXqVljC9LKOBcIu18pW1bYWpLrDDOqqatXCfpW1ThXkaoU7ytkutrZA/alKn1nT3/J1 uM8NbnSlO10/Ghej/9JNrW2Z288z5tS52k1uYK87UMYWlbrf7C5UiYte39Y1VuRdrmXPO1/6Zlao 7l0ve5WL3frCUom6bOp2/Ttg/vb3vlAIb3mRK14GL/i1BfUqQyHr3OoiGCpX/a53I5tEwiZVqbCN 7WVDCtzsYhW8JxbAKS9Jw8QI4MX6VfCCSbxfA9MWwvY1r2tF7CsYqziZO3ixABwoALn8+MdBQLKY kNxgB8/4oSUmcJNxvGMKn43JkVOxkHmwSyRjuQhaFvKWPTBmH5PZy1qurI1pS+PFdPPNcI7zxIY8 ZIOJuc53zrOe98xnPAu5YHQGNMHwLGg5Qyy9+KWrfi2sYzWjlcxBvv+z8MQcXzErQcUBCPOR+8xp H8CY0Y12NGITjWINx5hHe4b03iQc3DF7mgebhrED0BzrT1uaw81T715lfOBQO+vTYNbzD9L8M1T2 1aOu7gGwhZBnI+M6YMA8tnzXHOVHMzvInhY2j1+9Iw/fVtROjrWq35trUm+4wvK8dKq/XUI5LprX Pl72u/lp7lOb2gjJznaesb28G9571yfGo66l/eBtE0HeYF6Qpm+t7y+z+wdMTPeHrTzvwyY4w5bD tMMj3ekc+9qQ1f74tK09cpE/uXQor2rBQcxLS+uM05IetsJDzHKIq7PGJu91zm9scHDfJkeJ1bmT ferlM8O86JlW98b/S45cVkt8wvWsuccxK9X6KZbnUlfzwlfHcHsbzdugpjK4xT7lnheYdJm1OtUt OFoTvFgERW5728Eo97rzj95UV7vv8pvtSJu97BTPnoBxPvTjkp3ph2d6aUmndsP/fYMIf3zBA0/F +Ia88FinPHTTWwLeel7oiX/k0rM+dtKXHcSW53mLMY5uvGM4v5HH/OVD73ilDh70pj+95h+ueCgT XvZ7jP3OVR/19aQe96vnO8FP3twNj374s5d87XVZz+Qreq9hbzOvOX7m1l+/w+0kOeKln/nwo33g Jd30v4cbLyZan9xe975d0c97WJM56c9e/mKd+P6Kf3/zrocWvwNj//gnf+e2YsAXduRXfhNnfqN2 ccOjaQEXf+gkfpPngMC3fWzmewr4eMumgdGXe0FEXv2HfSDYgSLIfDvRTXVmaC5IMQD2gjI4g9aE aBBINJF3gh0YeLeXgsiHgbTHgFukfaOydDr4dPxyfD7oeCUIcOtHU/S3PTE3fktIfAzibib4hPU3 fRhIhNNiZqN3hJ7EalvIhEC4gL8XhBsYbSgTZt2ne2foQOkEf/rHhQ3oUGzINVNIhU04XFjof3RY hyFYhbPnhajSdXwYh0t1Q0oIfWlIiI8IiWJocTiSI731f2VohUVwSBOYhcoHgIeFQT+HWqwXiPXn RZNogAcIiOWWd/86slmlyIoQZFypaIqZGIl9CIWIpXek+Im3+IihQl61KItOmH9j9YBBJzh2t4wp EFrM+IzQGAN4N4pkJYQ0l4ts1IPD6ImY2F6UaDqWeImlZoyg4kRKuI2COIi7543zV2/FqIpGoEyN BYk7eIaS2Imc5I7piILYKFsB1oPWGGL9KGWJiIfNR4HE2G4KNY8DaYG4d49ayF36yH74eEo904jq qIjFt5EGGYUEuXIN2UQ5tI4feYEcCXUdOZG/iI5Apoa4qJF3iJJDyIEnyJJd9FIkSW3AaI856ZDH ZYjjCI83WZJ2+Fg8eZIsBJSryI1cdns96Yj1iJQM2YU0SYNWGYP/VpmVWrmVD2ODr9eNRAlyIomQ TJmQFBmRQXWDQdlvOASQGViRv8iPUilRSkmW6TiHS7mPURmT10iVeWhidhRGbvmWaOmTATl1Lvl7 dfmOr3NJg0mY5MiOa2mWinSQjOlDs4WEiImGOzmXO0aPXimAvjhS16WZnxmSCViTcFmZ57dbKveQ T1lb8WWapQeahWmYL5mSp8OLsOmZqUebZweVwBmckCmUx+iKyXiYp9mSxMmZNimZeQmK7Yicjaec tYkhGDmcBWmUwqhYI/AAoxmWa5h2p7V2vBWNJnBD6Lme6SkC6smenDWNuZWcGTlxGBmCsZmYCshU mYlXGGSX0ilw/7v4iv+ZmyHkmDDZl9XXRAzqPJYInmCpk9lHk7FYge6XoFO5oA3qoBekmreJjKIZ oWOZSxi6mbZpNLtToJdZltBmmfu4LAmFmon5nOJZnzKZlBQanjhZosupoXyZoTP5lzUaXSTIo9dp pEf6o3SZo/83eDLqnKs5pHKppFO3mC8qW06JpHDoozcKpDgqpDppIQD5pBAZmY+DiCZgnc3JmRMK pri5R41IpvnJpuNUdO40ASMwAZlRAP6ZGBQgAgrgmbjlpo44Ho8pp4JaevvmTnxaAQFQAHsaAI7a oTvApwEwAIlKnNrngtkUYFz5qTQoZgkjAgVDqqY6Ag5Aqqmqqv8kAKoME5pNoIFkqJfaCZJaSnWN +qiROqmvaQByMacnOp1fqVXyaKZhGqU/pQZ4KgJ6yqyYYQFg8KcBcACZ2mRWqlaC+aEziqxvqlfY AKwyeq1biKDaCqXlGqwXVpy2KJFqeTioyK2FCq+pWaG0GoCxCjK0KK/beq5kWqbGqYvtSj5NRaPH yq9HSaWDmjuWuJ3MWZSCVa3j16/g6pdjlVdTOpS3R7BvqrHCSa8B2oqlc0HmaaBglKRGibClJ7EQ q4LPVJ0hOwOMyIjwObM0W7PSaHGKZLELRK5berJd2lgqi7Ka+ii82Zs3CZAcq66UKaUeaqzpOlW6 5bBeKpAr+4P/VaumQ0uoSsuiV2qwV2ujX+qiZ+m08eq1QsuwI8akk8m1Y/uv0AmgcQmrB/uzmzmx XKqgdJuwHlmwZLu19dq3fvuxLbq3G6uv5gq4dOqxcWuvc4u3D3u2Edu4U7ukWruviOuv6yqhTeu2 7Dqs0bm4Itqxl4u5S5uWUOGqqJu6qru6FSO3X2ugj5u3KSu5Jhquavu5b9u1lxu0spu1YruShku6 bAu6oTuvOBuia/u3ySu4yru8xCugAbuizQu3ucu8usu5pou8uMu04am55yq80zu4KgmYu/u6nQm5 RhukrEK0ilu9wGu2vYu2lAs1rLC5mVu48Ou4k1ulz2KxF6u//0BrvnsZv7aakt9TvzabwAq8wODB uBwKLwwcwRI8wSsAOTzhv7SRwRp8CResohv8wSDMBm0WwiRcwtfAgSacwiq8Eyi8wi78wscLwzI8 w97SwjR8wzI8wji8wy48wjoMNjY8P0HMmlsQtUX8w8qIxCkHvVChxIw3xGbFBR5cw2KAwSQBxdUo vl+AxU+LBU78eUf8xWB8wl5gxV0cF1XMxSB6xSPLxmJsxixMC1Hhw2rcxvOAxWlaxlwMxwmmxnxs x7Hqx4IMyGwsxVd3xIQcx3qcyK25xXo8xSokxo3cEJLsmmQsx99SyTy8ybShyZz8yXDhyaA8yj0h yqR8ygxhyq2ovMq2oMqs/Mqh4MqwPMuDIMs3HLV41Uj0w1CobMs0rDvII7LIqBkKWMcq7MszDMyX I8zmOSG4rMzKTMvHKc1oIYqvKDzEDDvZvMsJxM0oSMrInMOugx7EnM3B3M3LnM6RCM7G/MnRTM7Y bEy7zM30zDrtXMLhDMPvfDXevMyX0Zq7Sc3TLNAirL0EPckH3Qj22Mv3nNAOLccPHdFnkc8SXdFx QcEYndEaLVohAAA7 ------=_NextPart_000_0020_01CBE1D5.DAF034D0--