X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail.qnsi.net ([66.219.56.248] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3568662 for flyrotary@lancaironline.net; Thu, 02 Apr 2009 20:29:34 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.248; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C9B3FB.9A365EEC" Subject: RE: [FlyRotary] Re: 20B mated to RV-10 Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5 Date: Thu, 2 Apr 2009 19:29:15 -0600 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F30D8429@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: 20B mated to RV-10 Thread-Index: AcmzrRBf4FTJtWanTVaXDQXWhREAxgARNUSg References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C9B3FB.9A365EEC Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable The beam mount and oil pan ended up at 32 pounds. The stock Renesis exhaust manifold is a brick and I have a hushpower under the cowl. I'm sure the exhaust could loose 6 pounds with a different manifold. The super charger mount is overbuilt and could loose 1-2 pounds. I have about 6.5 quarts of oil in the engine. I'm sure I can reduce that to 5. Not sure what the standard cowl spacing is for the IO 540 but the prop flange is at 43 inches. My flange is at 47" plus another 2.25" for cowl spacing. Dual PC 680 batteries on the firewall with trays also moved \ added 38 pounds forward. I will move one battery back to the standard position and remove the 13 lbs of lead during or after phase 1.=20 =20 I have the Flightline interior package with all the side panels and insulation under the floor panel. It's a nice package but may have added as much as 30 pounds. Dual screen Advanced EFIS, audio panel, 430W, SL30, 330 transponder, dual electrical busses, kitchen sink, flush toilet, etc.=20 =20 Bobby (P-Port Renesis and new exhaust would be 30 pounds lighter)=20 =20 =20 =20 =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Crook Sent: Thursday, April 02, 2009 9:06 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: 20B mated to RV-10 Wow, Forward CG on an RV-10 with a Renesis? I'm flabergasted! Unless your engine CG WAY forward of where the stock O - 540 is mounted I don't understand how you got there, even with the supercharger. My RV-8 with a 20B is turning out tail heavy! =20 Like Ed said, Pay attention to those ounces during construction. They turn into 100 pounds when its finished :>) Tracy 2009/4/1 Bobby J. Hughes Phil, =09 Just as a reference my Renesis RV10 came out with a forward CG. Added 13 lbs of tail ballast until I can relocate one battery after phase 1. With the ballast N416AS matches Van's factory RV10. Firewall to prop flange is 47", with a 2.25" cowl spacing. The MT prop is 39lbs. The super charger is about 25 lbs with mounts. Two radiators, oil/ water exchanger and two batteries are on the firewall. I also have a full interior and IFR stack. =09 If I was mounting a 20B I would stick with 47-48" to prop flange and move one or both batteries to the standard position. Radiator placement with coolant and prop weight would need to be considered. =09 =09 Extreme Composite's http://www.extremecomposites.com/aircraftparts.htmlhas the molds for my cowl. The mold was made to accommodate 53.25" to 49.25" from prop to firewall. Spinner is 15". They also make the cowls and 15" spinners for the F1 rocket. The upper and lower parts are just shells so inlets can be added as needed. Talk to Jimmy if your interested. The cowl was a lot more work then I anticipated. =09 I have two 400ci radiators with an oil to water exchanger plumbed between them. No issues with ground cooling during extended runs. =09 Bobby (wondering how my plane gained 100 pounds) =09 -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Phil White Sent: Wednesday, April 01, 2009 7:03 PM To: Rotary motors in aircraft Subject: [FlyRotary] 20B mated to RV-10 =09 After much head scratching, I have managed to attach my 20B to my RV-10. I kept the Lyc dynafocal mount, in case I fail in making the rotary work satisfactorily, or if I need to sell to some cretan who doesn't believe in engines with only 4 moving parts. I managed to get the prop flange within 1/4" vert and 1/2" horiz of where I wanted it, tho it is 51" from the firewall compared to the stock location of 43". Guess I get to build a sleek turbine-look cowling! =09 If anyone with a proven cooling system design for the 20B can provide radiator sizes and source(s), it would be most welcome. =09 Phil White =09 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html =09 =09 ------_=_NextPart_001_01C9B3FB.9A365EEC Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
The beam mount and oil pan ended up at 32 = pounds. The stock=20 Renesis exhaust manifold is a brick and I have a hushpower under the = cowl. =20 I'm sure the exhaust could loose 6 pounds with a = different manifold.=20 The super charger mount is overbuilt and could loose 1-2 pounds. I = have=20 about 6.5 quarts of oil in the engine. I'm sure I can reduce that = to=20 5.   Not sure what the standard cowl spacing is for the = IO 540=20 but the prop flange is at 43 inches. My flange is at 47" plus another = 2.25" for=20 cowl spacing.  Dual PC 680 batteries on the firewall with trays = also moved=20 \ added 38 pounds forward. I will move one battery back to the standard = position=20 and remove the 13 lbs of lead during or after phase 1. =
 
I have the Flightline interior package with all = the side=20 panels and insulation under the floor panel. It's a nice package but may = have=20 added as much as 30 pounds. Dual screen Advanced EFIS, audio panel, = 430W, SL30,=20 330 transponder, dual electrical busses, kitchen = sink, flush toilet,=20 etc.
 
Bobby
(P-Port Renesis and new exhaust would be 30 = pounds lighter)=20
 
 
 
 

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy=20 Crook
Sent: Thursday, April 02, 2009 9:06 AM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: 20B mated to=20 RV-10

Wow,  Forward CG on an RV-10 with a = Renesis?   =20 I'm flabergasted! Unless your engine CG  WAY forward of where the = stock O -=20 540 is mounted I don't understand how you got there, even with the=20 supercharger.   My RV-8 with a 20B is turning out = tail=20 heavy! 

Like Ed said, Pay attention to those ounces during=20 construction.    They turn into 100 pounds when its = finished=20 :>)

Tracy

2009/4/1 Bobby J. Hughes <bhughes@qnsi.net>
Phil,

Just=20 as a reference my Renesis RV10 came out with a forward CG. Added = 13
lbs of=20 tail ballast until I can relocate one battery after phase 1. = With
the=20 ballast N416AS matches Van's factory RV10. Firewall to prop = flange
is 47",=20 with a 2.25" cowl spacing. The MT prop is 39lbs. The super
charger = is about=20 25 lbs with mounts. Two radiators, oil/ water exchanger
and two = batteries=20 are on the firewall. I also have a full interior and
IFR = stack.

If I=20 was mounting a 20B I would stick with 47-48" to prop flange = and
move one or=20 both batteries to the standard position. Radiator placement
with = coolant=20 and prop weight would need to be considered.


Extreme=20 Composite's
http://www.extremecomposites.com/aircraftparts.htmlhas the=20 molds for my
cowl. The mold was made to accommodate 53.25" to = 49.25" from=20 prop to
firewall. Spinner is 15". They also make the cowls and 15" = spinners=20 for
the F1 rocket. The upper and lower parts are just shells so = inlets=20 can
be added as needed. Talk to Jimmy if your interested. The cowl = was a=20 lot
more work then I anticipated.

I have two 400ci radiators = with an=20 oil to water exchanger plumbed
between them. No issues with ground = cooling=20 during extended runs.

Bobby
(wondering how my plane gained = 100=20 pounds)


-----Original Message-----
From: Rotary = motors in=20 aircraft [mailto:flyrotary@lancaironline.net]=20 On
Behalf Of Phil White
Sent: Wednesday, April 01, 2009 7:03 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] 20B mated to=20 RV-10

After much head scratching, I have managed to attach my = 20B to my=20 RV-10.
I kept the Lyc dynafocal mount, in case I fail in making the = rotary=20 work
satisfactorily, or if I need to sell to some cretan who = doesn't=20 believe
in engines with only 4 moving parts.  I managed to get = the=20 prop flange
within 1/4" vert and 1/2" horiz of where I wanted it, = tho it is=20 51" from
the firewall compared to the stock location of = 43".
Guess I get=20 to build a sleek turbine-look cowling!

   If anyone = with a=20 proven cooling system design for the 20B can
provide radiator sizes = and=20 source(s), it would be most welcome.

Phil=20 White

--
Homepage:  http://www.flyrotary.com/
Archive and UnSub: =   http://mail.lancaironline.net:81/lists/flyrotary/List.htm= l


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