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From: jrmjoseph@videotron.ca
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message-id: <f40ef12718c2f.47d40c6c@videotron.ca>
Date: Sun, 09 Mar 2008 16:12:28 +0000 (GMT)
Content-language: fr
Subject: Re : [FlyRotary] Re: Re : [FlyRotary] Re: Anyone have an RD-1C for
 sale?
Priority: normal
In-reply-to: <list-2784140@logan.com>
References: <list-2784140@logan.com>

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If I remember right it was with max 2700RPM=2E  The FWF total weight was=
 165LBS=2E  Cant remember the hp at 2700RPM=2E

Has for the right application with the right prop for a stol aircraft=2E=
  Tracy I=27m lacking the knowledge to understand your point of view=2E =
 I=27ll take your word=2E   Maybe someone wish to explain here or contac=
t me directly=2E  Or send me a link explaining this=2E  To further expan=
d my understanding of Tracy=27s comment=2E  Many thanks to you guys=2E

Rusty I live in Montreal Canada and yesterday we received our 29th snow =
storm=2E  I understand you =3A))

Marc J=2E =


----- Message d=27origine -----
De=3A Tracy Crook =3Ctracy=40rotaryaviation=2Ecom=3E
Date=3A Dimanche=2C Mars 9=2C 2008 11=3A48 am
Objet=3A =5BFlyRotary=5D Re=3A Re =3A =5BFlyRotary=5D Re=3A Anyone have =
an RD-1C for sale=3F
=C0=3A Rotary motors in aircraft =3Cflyrotary=40lancaironline=2Enet=3E

=3E Yeah=2C it could work on those planes but the numbers for this =

=3E setup favor a
=3E faster plane due to the smaller diameter prop required=2E A =

=3E short prop can
=3E be efficient at high speed but it looses it at the low end=2E
=3E =

=3E Tracy
=3E =

=3E On Sun=2C Mar 9=2C 2008 at 11=3A38 AM=2C wrote=3A
=3E =

=3E =3E Yes a two rotor direct drive with hp between 80 and 120=2E For =

=3E a CH701 or
=3E =3E another stol aircraft=2E This is the engine I=27m looking for=2E=
 I =

=3E know of one
=3E =3E person (cant remember his name) who built one using a 12A=2E
=3E =3E
=3E =3E Marc J=2E
=3E =3E
=3E =3E ----- Message d=27origine -----
=3E =3E De=3A Tracy Crook =

=3E =3E Date=3A Dimanche=2C Mars 9=2C 2008 11=3A30 am
=3E =3E Objet=3A =5BFlyRotary=5D Re=3A Anyone have an RD-1C for sale=3F
=3E =3E =C0=3A Rotary motors in aircraft =

=3E =3E
=3E =3E =3E Damn Rusty=2C I=27d give anything for your organizational sk=
ills and
=3E =3E =3E work habits
=3E =3E =3E but darned if I can figure out your masochistic (sp=3F)
=3E =3E =3E tendencies on this
=3E =3E =3E plane =3A=3E) One Rotor=3F=3F=3F=3F
=3E =3E =3E
=3E =3E =3E Sure=2C that can work but why not something completely
=3E =3E =3E different=3F I want
=3E =3E =3E to see someone do a direct drive 2 rotor (maybe even =

=3E turboed) in
=3E =3E =3E the right
=3E =3E =3E application and the RV-3 comes close=2E That would be Kool!
=3E =3E =3E
=3E =3E =3E I know=2C everyone has their own idea of what=27s cool=2E Ki=
ck ass on
=3E =3E =3E whateveryou decide to do Rusty=2E
=3E =3E =3E
=3E =3E =3E Tracy (making carbon fiber parts)
=3E =3E =3E
=3E =3E =3E
=3E =3E =3E
=3E =3E =3E On Sun=2C Mar 9=2C 2008 at 1=3A04 AM=2C Russell Duffy
=3E =3E =3E wrote=3A
=3E =3E =3E
=3E =3E =3E =3E Good one mate=2C I knew you couldn=27t let it go=2E
=3E =3E =3E =3E
=3E =3E =3E =3E Hi George=2C
=3E =3E =3E =3E
=3E =3E =3E =3E Well that certainly IS the problem=2E I was all set to b=
olt a
=3E =3E =3E Lycoming=3E on the RV-3=2C but I realize that what I need is=
 a
=3E =3E =3E project=2C not a plane=2E
=3E =3E =3E =3E Since there=27s no doubt a single will work for an RV-3=2C=
 there=27s
=3E =3E =3E really no
=3E =3E =3E =3E reason not to do it=2E
=3E =3E =3E =3E
=3E =3E =3E =3E While it may seem wishy washy to go back to the RD-1C=2C=
 the
=3E =3E =3E damper on the
=3E =3E =3E =3E Autoflight drive didn=27t magically fix the resonance pr=
oblem=2C
=3E =3E =3E and the RV-3
=3E =3E =3E =3E has changed the power requirements=2E For previous aircr=
aft=2C I
=3E =3E =3E was only
=3E =3E =3E =3E planning to have about 80 HP=2C and that would fall with=
in the
=3E =3E =3E 6000 rpm limit
=3E =3E =3E =3E of the Autoflight drive=2E Now that I can use as much po=
wer as
=3E =3E =3E I can make=2C I
=3E =3E =3E =3E need more RPM=2E
=3E =3E =3E =3E
=3E =3E =3E =3E The offset thrust line of the Autoflight drive would hav=
e
=3E =3E =3E worked well for
=3E =3E =3E =3E the previous aircraft I was considering=2C but not so we=
ll for
=3E =3E =3E the RV cowl=2E
=3E =3E =3E =3E The mount plate on Tracy=27s drive is also really handy =
for =

=3E mounting=3E =3E =3E coolers for the RV cowl inlets=2E
=3E =3E =3E =3E
=3E =3E =3E =3E The Autoflight drive is about 12 lbs lighter IIRC=2C but=
 I have
=3E =3E =3E the opposite
=3E =3E =3E =3E problem with weight now=2E A single made from stock hous=
ings =

=3E is way
=3E =3E =3E =3E overweight compared to 912S=2C but compared to an O-200 =
or O-
=3E =3E =3E 235=2C it=27s just
=3E =3E =3E =3E fine=2E Using stock housings will just limit you to airc=
raft
=3E =3E =3E that were
=3E =3E =3E =3E designed for 100-125 HP LyConts=2E
=3E =3E =3E =3E
=3E =3E =3E =3E Finally=2C I really like the carbon fiber ground adjusta=
ble =

=3E prop that
=3E =3E =3E =3E Sensenich makes=2C and the RD-1C rotates the proper =

=3E direction to
=3E =3E =3E use it=2E
=3E =3E =3E =3E
=3E =3E =3E =3E I should probably be more concerned with building the pl=
ane
=3E =3E =3E for now=2C but I
=3E =3E =3E =3E can=27t help but think of engine stuff=2E I=27ve got a p=
artial
=3E =3E =3E mount on order
=3E =3E =3E =3E from the guys who make Van=27s mounts=2E I don=27t know =
if I=27ll try
=3E =3E =3E to make a
=3E =3E =3E =3E beam style mount=2C or use a sandwich plate similar to t=
he old
=3E =3E =3E CCI mount=2E
=3E =3E =3E =3E Either way=2C I=27ll size it to fit either the single ro=
tor=2C =

=3E or a
=3E =3E =3E two rotor as a
=3E =3E =3E =3E fall back plan=2E
=3E =3E =3E =3E
=3E =3E =3E =3E Enough babbling for now=2E
=3E =3E =3E =3E
=3E =3E =3E =3E Rusty (watching the salt magically melt snow)
=3E =3E =3E =3E
=3E =3E =3E =3E
=3E =3E =3E =3E
=3E =3E =3E =3E
=3E =3E =3E
=3E =3E
=3E 

--Boundary_(ID_fs5PICqAoZXqUP3svdWHFQ)
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=3CDIV=3EIf I remember right it was with max 2700RPM=2E=26nbsp=3B The FW=
F total weight=26nbsp=3Bwas 165LBS=2E=26nbsp=3B Cant remember the hp at =
2700RPM=2E=3C/DIV=3E
=3CDIV=3E=26nbsp=3B=3C/DIV=3E
=3CDIV=3EHas for the right application with the right prop for a stol ai=
rcraft=2E=26nbsp=3B Tracy I=27m lacking the knowledge to understand your=
 point of view=2E=26nbsp=3B I=27ll take your word=2E=26nbsp=3B =26nbsp=3B=
Maybe someone wish to explain here or=26nbsp=3Bcontact me directly=2E=26=
nbsp=3B Or send me a link explaining this=2E=26nbsp=3B To further expand=
 my understanding of Tracy=27s comment=2E=26nbsp=3B Many thanks to you g=
uys=2E=3C/DIV=3E
=3CDIV=3E=26nbsp=3B=3C/DIV=3E
=3CDIV=3ERusty I live in Montreal Canada and yesterday we received our 2=
9th snow storm=2E=26nbsp=3B I understand you =3A))=3C/DIV=3E
=3CDIV=3E=26nbsp=3B=3C/DIV=3E
=3CDIV=3EMarc J=2E=26nbsp=3B=3CBR=3E=3CBR=3E----- Message d=27origine --=
---=3CBR=3EDe=3A Tracy Crook =26lt=3Btracy=40rotaryaviation=2Ecom=26gt=3B=
=3CBR=3EDate=3A Dimanche=2C Mars 9=2C 2008 11=3A48 am=3CBR=3EObjet=3A =5B=
FlyRotary=5D Re=3A Re =3A =5BFlyRotary=5D Re=3A Anyone have an RD-1C for=
 sale=3F=3CBR=3E=C0=3A Rotary motors in aircraft =26lt=3Bflyrotary=40lan=
caironline=2Enet=26gt=3B=3CBR=3E=3CBR=3E=26gt=3B Yeah=2C it could work o=
n those planes but the numbers for this =3CBR=3E=26gt=3B setup favor a=3C=
BR=3E=26gt=3B faster plane due to the smaller diameter prop required=2E =
A =3CBR=3E=26gt=3B short prop can=3CBR=3E=26gt=3B be efficient at high s=
peed but it looses it at the low end=2E=3CBR=3E=26gt=3B =3CBR=3E=26gt=3B=
 Tracy=3CBR=3E=26gt=3B =3CBR=3E=26gt=3B On Sun=2C Mar 9=2C 2008 at 11=3A=
38 AM=2C =3CJRMJOSEPH=40VIDEOTRON=2ECA=3Ewrote=3A=3CBR=3E=26gt=3B =3CBR=3E=
=26gt=3B =26gt=3B Yes a two rotor direct drive with hp between 80 and 12=
0=2E For =3CBR=3E=26gt=3B a CH701 or=3CBR=3E=26gt=3B =26gt=3B another st=
ol aircraft=2E This is the engine I=27m looking for=2E I =3CBR=3E=26gt=3B=
 know of one=3CBR=3E=26gt=3B =26gt=3B person (cant remember his name) wh=
o built one using a 12A=2E=3CBR=3E=26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26g=
t=3B Marc J=2E=3CBR=3E=26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B ----- M=
essage d=27origine -----=3CBR=3E=26gt=3B =26gt=3B De=3A Tracy Crook =3CT=
RACY=40ROTARYAVIATION=2ECOM=3E=3CBR=3E=26gt=3B =26gt=3B Date=3A Dimanche=
=2C Mars 9=2C 2008 11=3A30 am=3CBR=3E=26gt=3B =26gt=3B Objet=3A =5BFlyRo=
tary=5D Re=3A Anyone have an RD-1C for sale=3F=3CBR=3E=26gt=3B =26gt=3B =
=C0=3A Rotary motors in aircraft =3CFLYROTARY=40LANCAIRONLINE=2ENET=3E=3C=
BR=3E=26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B Damn Rusty=2C I=
=27d give anything for your organizational skills and=3CBR=3E=26gt=3B =26=
gt=3B =26gt=3B work habits=3CBR=3E=26gt=3B =26gt=3B =26gt=3B but darned =
if I can figure out your masochistic (sp=3F)=3CBR=3E=26gt=3B =26gt=3B =26=
gt=3B tendencies on this=3CBR=3E=26gt=3B =26gt=3B =26gt=3B plane =3A=26g=
t=3B) One Rotor=3F=3F=3F=3F=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26=
gt=3B =26gt=3B =26gt=3B Sure=2C that can work but why not something comp=
letely=3CBR=3E=26gt=3B =26gt=3B =26gt=3B different=3F I want=3CBR=3E=26g=
t=3B =26gt=3B =26gt=3B to see someone do a direct drive 2 rotor (maybe e=
ven =3CBR=3E=26gt=3B turboed) in=3CBR=3E=26gt=3B =26gt=3B =26gt=3B the r=
ight=3CBR=3E=26gt=3B =26gt=3B =26gt=3B application and the RV-3 comes cl=
ose=2E That would be Kool!=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26g=
t=3B =26gt=3B =26gt=3B I know=2C everyone has their own idea of what=27s=
 cool=2E Kick ass on=3CBR=3E=26gt=3B =26gt=3B =26gt=3B whateveryou decid=
e to do Rusty=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=
=3B =26gt=3B Tracy (making carbon fiber parts)=3CBR=3E=26gt=3B =26gt=3B =
=26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26g=
t=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B On Sun=2C Mar 9=2C 2008 at 1=3A04=
 AM=2C Russell Duffy=3CBR=3E=26gt=3B =26gt=3B =26gt=3B wrote=3A=3CBR=3E=26=
gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B Good =
one mate=2C I knew you couldn=27t let it go=2E=3CBR=3E=26gt=3B =26gt=3B =
=26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B Hi George=2C=
=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26=
gt=3B =26gt=3B Well that certainly IS the problem=2E I was all set to bo=
lt a=3CBR=3E=26gt=3B =26gt=3B =26gt=3B Lycoming=26gt=3B on the RV-3=2C b=
ut I realize that what I need is a=3CBR=3E=26gt=3B =26gt=3B =26gt=3B pro=
ject=2C not a plane=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B Since =
there=27s no doubt a single will work for an RV-3=2C there=27s=3CBR=3E=26=
gt=3B =26gt=3B =26gt=3B really no=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26g=
t=3B reason not to do it=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=3C=
BR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B While it may seem wishy washy t=
o go back to the RD-1C=2C the=3CBR=3E=26gt=3B =26gt=3B =26gt=3B damper o=
n the=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B Autoflight drive didn=27=
t magically fix the resonance problem=2C=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=
 and the RV-3=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B has changed the=
 power requirements=2E For previous aircraft=2C I=3CBR=3E=26gt=3B =26gt=3B=
 =26gt=3B was only=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B planning t=
o have about 80 HP=2C and that would fall within the=3CBR=3E=26gt=3B =26=
gt=3B =26gt=3B 6000 rpm limit=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=
 of the Autoflight drive=2E Now that I can use as much power as=3CBR=3E=26=
gt=3B =26gt=3B =26gt=3B I can make=2C I=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=
 =26gt=3B need more RPM=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=3C=
BR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B The offset thrust line of the A=
utoflight drive would have=3CBR=3E=26gt=3B =26gt=3B =26gt=3B worked well=
 for=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B the previous aircraft I =
was considering=2C but not so well for=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=
 the RV cowl=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B The mount pla=
te on Tracy=27s drive is also really handy for =3CBR=3E=26gt=3B mounting=
=26gt=3B =26gt=3B =26gt=3B coolers for the RV cowl inlets=2E=3CBR=3E=26g=
t=3B =26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=
 The Autoflight drive is about 12 lbs lighter IIRC=2C but I have=3CBR=3E=
=26gt=3B =26gt=3B =26gt=3B the opposite=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=
 =26gt=3B problem with weight now=2E A single made from stock housings =3C=
BR=3E=26gt=3B is way=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B overweig=
ht compared to 912S=2C but compared to an O-200 or O-=3CBR=3E=26gt=3B =26=
gt=3B =26gt=3B 235=2C it=27s just=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26g=
t=3B fine=2E Using stock housings will just limit you to aircraft=3CBR=3E=
=26gt=3B =26gt=3B =26gt=3B that were=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26=
gt=3B designed for 100-125 HP LyConts=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=
 =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B Finally=2C I really=
 like the carbon fiber ground adjustable =3CBR=3E=26gt=3B prop that=3CBR=
=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B Sensenich makes=2C and the RD-1C =
rotates the proper =3CBR=3E=26gt=3B direction to=3CBR=3E=26gt=3B =26gt=3B=
 =26gt=3B use it=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26=
gt=3B =26gt=3B =26gt=3B =26gt=3B I should probably be more concerned wit=
h building the plane=3CBR=3E=26gt=3B =26gt=3B =26gt=3B for now=2C but I=3C=
BR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B can=27t help but think of engin=
e stuff=2E I=27ve got a partial=3CBR=3E=26gt=3B =26gt=3B =26gt=3B mount =
on order=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B from the guys who ma=
ke Van=27s mounts=2E I don=27t know if I=27ll try=3CBR=3E=26gt=3B =26gt=3B=
 =26gt=3B to make a=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B beam styl=
e mount=2C or use a sandwich plate similar to the old=3CBR=3E=26gt=3B =26=
gt=3B =26gt=3B CCI mount=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B E=
ither way=2C I=27ll size it to fit either the single rotor=2C =3CBR=3E=26=
gt=3B or a=3CBR=3E=26gt=3B =26gt=3B =26gt=3B two rotor as a=3CBR=3E=26gt=
=3B =26gt=3B =26gt=3B =26gt=3B fall back plan=2E=3CBR=3E=26gt=3B =26gt=3B=
 =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B Enough bab=
bling for now=2E=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=
=3B =26gt=3B =26gt=3B =26gt=3B Rusty (watching the salt magically melt s=
now)=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B=
 =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26=
gt=3B =26gt=3B =26gt=3B =26gt=3B=3CBR=3E=26gt=3B =26gt=3B =26gt=3B=3CBR=3E=
=26gt=3B =26gt=3B=3CBR=3E=26gt=3B =3C/DIV=3E

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