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Date: Fri, 3 Dec 2010 11:43:35 -0800 (PST)
From: Kelly Troyer <keltro@att.net>
Subject: Re: [FlyRotary] Re: intake blower update
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-4610488@logan.com>
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Ernest,=0A=A0=A0=A0=A0 Your Manifold Pressure gage should tell you if=A0any=
 boost above atmospheric =0Apressure is being generated............=0A=A0=
=0AKelly Troyer=0A"DYKE DELTA JD2" (Eventually)=0A"13B ROTARY"_ Engine=0A"R=
WS"_RD1C/EC2/EM2=0A"MISTRAL"_Backplate/Oil Manifold=0A"TURBONETICS"_TO4E50 =
Turbo=0A=0A=0A=0A=0A________________________________=0AFrom: Ernest Christl=
ey <echristley@nc.rr.com>=0ATo: Rotary motors in aircraft <flyrotary@lancai=
ronline.net>=0ASent: Fri, December 3, 2010 12:03:02 PM=0ASubject: [FlyRotar=
y] Re: intake blower update=0A=0AGreg Ward wrote:=0A> Hey Ernest;=0A> Forgi=
ve an old high Country Nail-Banger's ignorance, but what is this for? It =
=0A>looks like a flywheel substitute for a redrive.=A0 Please enlighten me =
here.=0A> Greg Ward=0A> Lancair 20B N178RG STILL in progress=0AOne way to m=
ake things lighter, it to make one part do multiple jobs.=0A=0AI got rid of=
 the alternator and replaced it with a Harley-Davidson generator.=A0 =0ANo =
belts and pulleys with their side loads.=A0 No heavy mounting system, or =
=0Aputting lumps in the cowl to accommodate them.=A0 The stator is mounted =
to the =0Aback of the PSRU.=A0 The rotor is bolted to the flywheel through =
this adapter =0Aplate. (Kelly, the magnets are covered by a metal shield.=
=A0 Makes it real easy to =0Aclean out the stray crap that magnets seem to =
like to pick up.)=0A=0ANow, we have a plate sandwiched between the engine a=
nd the back of the PSRU =0Amounting plate spinning at 6000 RPM during cruis=
e speed.=A0 How much of a stretch =0Awould it be to surround the space betw=
een the mount plate and engine with a =0Ashield, put blower blades on the p=
late, and then baffle the results into the =0Aintake?=A0 Not a lot of boost=
 is expected, only enough for 10 to 20Hp, but what is =0Aavailable is cheap=
, easy, and no-maintenance (no intercooler, blow-off valves, =0Aby-pass val=
ves, extra plumbing, etc).=0A=0AUsing my calibrated left bicep, the plate w=
eighs about 3lbs, give or take a =0Acouple (I didn't say it was a WELL cali=
brated left bicep).=A0 The shield forming =0Athe blower housing probably we=
ighs a pound or two (give or take a pound or two =0A8*).=A0 The adapter pla=
te is replacing an alternator mount, belt and pulleys, and =0Awith the help=
 of the shield, a turbo (sorta, but not really).=A0 I'm just happy I =0Acam=
e across this guy moving to Texas last winter who didn't want to ship this =
=0Alathe that he had just finished restoring (12x36 Craftsman), and was wil=
ling to =0Apractically give it to me for $300.=A0 I couldn't afford to pay =
someone to machine =0Athis for me, as I've spent about 3 weeks on this one =
part.=0A=0AThe quandry I have now, is do I finish it completely, or do I le=
ave the blower =0Ablades off for now so that I can know how much boost I ge=
t from the =0Amodification.=A0 Adding them later means tearing the front of=
 the engine apart =0Aagain later.
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:arial, helvetica, sans-serif;font-size:1=
4pt"><DIV></DIV>=0A<DIV>Ernest,</DIV>=0A<DIV>&nbsp;&nbsp;&nbsp;&nbsp; Your =
Manifold Pressure gage should tell you if&nbsp;any boost above atmospheric =
</DIV>=0A<DIV>pressure is being generated............<BR>&nbsp;</DIV>=0A<P>=
Kelly Troyer<BR><STRONG><FONT size=3D4>"DYKE DELTA JD2"</FONT> <FONT size=
=3D1>(Eventually)</FONT></STRONG></P>=0A<P>"13B ROTARY"_ Engine<BR>"RWS"_RD=
1C/EC2/EM2<BR>"MISTRAL"_Backplate/Oil Manifold</P>=0A<P>"TURBONETICS"_TO4E5=
0 Turbo</P>=0A<DIV><BR></DIV>=0A<DIV style=3D"FONT-FAMILY: arial, helvetica=
, sans-serif; FONT-SIZE: 14pt"><BR>=0A<DIV style=3D"FONT-FAMILY: times new =
roman, new york, times, serif; FONT-SIZE: 10pt"><FONT size=3D2 face=3DTahom=
a>=0A<HR SIZE=3D1>=0A<B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B> =
Ernest Christley &lt;echristley@nc.rr.com&gt;<BR><B><SPAN style=3D"FONT-WEI=
GHT: bold">To:</SPAN></B> Rotary motors in aircraft &lt;flyrotary@lancairon=
line.net&gt;<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Fri, =
December 3, 2010 12:03:02 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subjec=
t:</SPAN></B> [FlyRotary] Re: intake blower update<BR></FONT><BR>Greg Ward =
wrote:<BR>&gt; Hey Ernest;<BR>&gt; Forgive an old high Country Nail-Banger'=
s ignorance, but what is this for? It looks like a flywheel substitute for =
a redrive.&nbsp; Please enlighten me here.<BR>&gt; Greg Ward<BR>&gt; Lancai=
r 20B N178RG STILL in progress<BR>One way to make things lighter, it to mak=
e one part do multiple jobs.<BR><BR>I got rid of the alternator and replace=
d it with a Harley-Davidson generator.&nbsp; No belts and pulleys with thei=
r side loads.&nbsp; No heavy mounting system, or putting lumps in the cowl =
to accommodate
 them.&nbsp; The stator is mounted to the back of the PSRU.&nbsp; The rotor=
 is bolted to the flywheel through this adapter plate. (Kelly, the magnets =
are covered by a metal shield.&nbsp; Makes it real easy to clean out the st=
ray crap that magnets seem to like to pick up.)<BR><BR>Now, we have a plate=
 sandwiched between the engine and the back of the PSRU mounting plate spin=
ning at 6000 RPM during cruise speed.&nbsp; How much of a stretch would it =
be to surround the space between the mount plate and engine with a shield, =
put blower blades on the plate, and then baffle the results into the intake=
?&nbsp; Not a lot of boost is expected, only enough for 10 to 20Hp, but wha=
t is available is cheap, easy, and no-maintenance (no intercooler, blow-off=
 valves, by-pass valves, extra plumbing, etc).<BR><BR>Using my calibrated l=
eft bicep, the plate weighs about 3lbs, give or take a couple (I didn't say=
 it was a WELL calibrated left bicep).&nbsp; The shield forming the
 blower housing probably weighs a pound or two (give or take a pound or two=
 8*).&nbsp; The adapter plate is replacing an alternator mount, belt and pu=
lleys, and with the help of the shield, a turbo (sorta, but not really).&nb=
sp; I'm just happy I came across this guy moving to Texas last winter who d=
idn't want to ship this lathe that he had just finished restoring (12x36 Cr=
aftsman), and was willing to practically give it to me for $300.&nbsp; I co=
uldn't afford to pay someone to machine this for me, as I've spent about 3 =
weeks on this one part.<BR><BR>The quandry I have now, is do I finish it co=
mpletely, or do I leave the blower blades off for now so that I can know ho=
w much boost I get from the modification.&nbsp; Adding them later means tea=
ring the front of the engine apart again later.<BR><BR><BR></DIV></DIV></di=
v></body></html>
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