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Message-ID: <1b4b137c0904120732odd3b770u371aa07eebfbc3c5@mail.gmail.com>
Subject: Re: [FlyRotary] Re: Intake manifold
From: Tracy Crook <tracy@rotaryaviation.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Content-Type: multipart/alternative; boundary=0015175cd6146e21ec04675c7783

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>
> Al,  what were the units on the torque curve?  Obviously not Ft/lb or was
> that just a relative reading?
>

Tracy

>
> Greg;
>
>
>
> Would be interesting.  Because of so many other variations, and lack of
> dyno data; hp comparisons will be difficult.  I=92ll =91weigh in=92 with =
mine. See
> photo.
>
>
>
> I probably have the most compact intake manifold on a 20B, and it weighs
> 2.7 lbs.  The TWM TB, with fuel rail and injectors weighs 5.7 lbs. The
> fiberglass =91airbox=92 weighs about 1.5 lbs. Total induction sys =96 10 =
lbs.
>
>
>
> Under the SS baffle is an inconel manifold muffler (12.5 lbs) backed up b=
y
> a secondary muffler (3.5 lbs); total exhaust system weight, with support
> bracket, 17.5 lbs.  Starts easily, no tuning issues. I run the EC2, but
> stage the primary; so start and below 16.5=94 MAP runs on the injectors i=
n
> the TB =96 gives smoother idle.
>
>
>
> My design emphasis was compact, lightweight.  This NA configuration, with
> stock 9.0 rotors, was run on the dyno, and produced the torque/hp curve
> (adjusted to standard day, sea level) attached.  My 2.17 redrive, and 300=
0
> max rpm on the prop allows me to go to 6500 rpm; although my WOT runs at
> altitude have never exceeded 6300.
>
>
>
> Plenty of power for my Velocity SE RG; which now has 150 hours in the air=
;
> with no glider time.
>
>
>
> Al G
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:
> http://mail.lancaironline.net:81/lists/flyrotary/List.html
>
>

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<div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"borde=
r-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-le=
ft: 1ex;"><div bgcolor=3D"white" link=3D"blue" vlink=3D"blue" lang=3D"EN-US=
"><div><font size=3D"2"><font face=3D"Verdana">Al,=A0 what were the units o=
n the torque curve?=A0 Obviously not Ft/lb or was that just a relative read=
ing?</font></font></div>
</div></blockquote><div><br>Tracy <br></div><blockquote class=3D"gmail_quot=
e" style=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt =
0.8ex; padding-left: 1ex;"><div bgcolor=3D"white" link=3D"blue" vlink=3D"bl=
ue" lang=3D"EN-US">
<div><font size=3D"2"><font face=3D"Verdana"></font></font><br><p><font siz=
e=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-size: 11pt; fon=
t-family: Verdana; color: blue;">Greg;</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">=A0</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">Would be interesting.=A0 Becau=
se of
so many other variations, and lack of dyno data; hp comparisons will be
difficult.=A0 I=92ll =91weigh in=92 with mine. See photo.</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">=A0</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">I probably have the most compa=
ct intake
manifold on a 20B, and it weighs 2.7 lbs.=A0 The TWM TB, with fuel rail and
injectors weighs 5.7 lbs. The fiberglass =91airbox=92 weighs about 1.5
lbs. Total induction sys =96 10 lbs.</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">=A0</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">Under the SS baffle is an inco=
nel
manifold muffler (12.5 lbs) backed up by a secondary muffler (3.5 lbs); tot=
al
exhaust system weight, with support bracket, 17.5 lbs.=A0 Starts easily, no
tuning issues. I run the EC2, but stage the primary; so start and below 16.=
5=94
</span></font><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=
=3D"font-size: 11pt; font-family: Verdana; color: blue;">MAP</span></font><=
font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-size: 1=
1pt; font-family: Verdana; color: blue;">
runs on the injectors in the TB =96 gives smoother idle.</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">=A0</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">My design emphasis was compact=
,
lightweight. =A0This NA configuration, with stock 9.0 rotors, was run on th=
e
dyno, and produced the torque/hp curve (adjusted to standard day, sea level=
)
attached.=A0 My 2.17 redrive, and 3000 max rpm on the prop allows me to go
to 6500 rpm; although my WOT runs at altitude have never exceeded 6300.</sp=
an></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">=A0</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">Plenty of power for my </span>=
</font><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font=
-size: 11pt; font-family: Verdana; color: blue;">Velocity</span></font><fon=
t size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-size: 11pt=
; font-family: Verdana; color: blue;"> SE RG; which now has
150 hours in the air; with no glider time.</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">=A0</span></font></p>

<p><font size=3D"2" color=3D"blue" face=3D"Verdana"><span style=3D"font-siz=
e: 11pt; font-family: Verdana; color: blue;">Al G </span></font></p>

</div>

</div>


<br>--<br>
Homepage: =A0<a href=3D"http://www.flyrotary.com/" target=3D"_blank">http:/=
/www.flyrotary.com/</a><br>
Archive and UnSub: =A0 <a href=3D"http://mail.lancaironline.net:81/lists/fl=
yrotary/List.html" target=3D"_blank">http://mail.lancaironline.net:81/lists=
/flyrotary/List.html</a><br>
<br></blockquote></div><br>

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