Fairchild Club Forum

>From: "ranger440c5"
>Reply-To: fairchildclub@yahoogroups.com
>To: fairchildclub@yahoogroups.com
>Subject: [fairchildclub] Re: Prop Hub
>Date: Tue, 15 Aug 2006 17:11:28 -0000
>
>Curt,
> Pardon my ignorance.....where is the attachment with the cone
>specs? I am failing to find it!!
>
>
>
>
>--- In fairchildclub@yahoogroups.com, "Curt Kinchen"
>wrote:
> >
> > I have also seen both. Some seem to have the straight section to
>account
> > for the spacer sometimes necessary with small hubs, etc.
>Interestingly they
> > carry the same AN5008-20 number.
> >
> > Here's the specs for the cones attached.
> >
> >
> > >From: "ranger440c5"
> > >Reply-To: fairchildclub@yahoogroups.com
> > >To: fairchildclub@yahoogroups.com
> > >Subject: [fairchildclub] Re: Prop Hub
> > >Date: Tue, 15 Aug 2006 15:30:29 -0000
> > >
> > >That is correct. They still use the AN5008-20 bronze rear cone.
>But
> > >none of the AN50XX series parts fit...front cone, nut, retaining
> > >ring, bolts, nuts, etc. Thanks for posting the data, I had not
>seen
> > >that before and it is helpfull with a #30 I am trying to ID. Would
> > >you have a chart or specs on the AN5008-XX rear cones? Am curious
> > >about these as have seen two types, one with a fully tapered OD
>and
> > >one with a tapered seat about 1/2" long and then a straight OD for
> > >the remaining length. Wouldn't have data on this would you?
> > >
> > >
> > >
> > >
> > >
> > >
> > >--- In fairchildclub@yahoogroups.com, "Curt Kinchen"
> > >wrote:
> > > >
> > > > It does sound correct to me. My recollection is also that the
> > >small hubs do
> > > > not use
> > > > a front cone. The AN5017 I posted is simply for a visual
>reference
> > >(not
> > > > dimensional). The cones used on it are, however, correct for
>the
> > >hubs used
> > > > on the Ranger.
> > > >
> > > > Curt Kinchen
> > > >
> > > >
> > > > >From: "ranger440c5"
> > > > >Reply-To: fairchildclub@yahoogroups.com
> > > > >To: fairchildclub@yahoogroups.com
> > > > >Subject: [fairchildclub] Re: Prop Hub
> > > > >Date: Tue, 15 Aug 2006 14:48:40 -0000
> > > > >
> > > > >I am chiming in a bit late here but perhaps here is something
>of
> > > > >use..... There may be confusion among #20 wood prop hubs.
>Correct
> > >me
> > > > >if I am wrong but the file loaded for the AN5017 hub design is
> > > > >for "long" #20 spline hubs, commonly called "Air Corps".
>These are
> > > > >for Continental W670, Jacobs, and Wrights. The Warner 145,165
>and
> > > > >Ranger "L" series used a "short" #20 spline. The long is
>capable
> > >of
> > > > >carrying a 6.5" thick prop hub and the short 4.5" hub. You
>will
> > >see
> > > > >this on the Sensenich 86AB 54 prop, it has big lumps to get
>the
> > > > >airfoil at the hub area and then chopped down to get to the
>4.5"
> > > > >flange to flange dimension for the Ranger short hub. All the
>short
> > > > >hubs I have seen do not use a front cone, there is instead a
> > >single
> > > > >ring to slip on to the crank and then the nut, thus the nut
>will
> > > > >not "pull" the hub when removing. To verify all this the
>simple
> > > > >thing one must look at is the bolt diameter....the long #20
>has
> > > > >7/16bolts and the short has 3/8 bolts.
> > > > > The wild card in all this is there was a pre-war hub that
>looks
> > > > >like the manual with the solid flange on the front and the
>crush
> > > > >plate on the rear. I have seen one of these on a Ranger 24 in
>KY
> > > > >(owner: Webster?).This one I do not know if used a front cone
>or
> > >not.
> > > > > You would never even get an AN 5017 hub on a Ranger as they
>are
> > >way
> > > > >too long, a solid 1.5" too long. I don't believe Ranger ever
>used
> > >a
> > > > >#10...they originally had tapered then went to the short 20.
> > > > > Does all this sound correct?
> > > > >
> > > > >
> > > > >--- In fairchildclub@yahoogroups.com, "Tom Mueller"
>
> > > > >wrote:
> > > > > >
> > > > > > --- In fairchildclub@yahoogroups.com, "Curt Kinchen"
>
> > > > > > wrote:
> > > > > > >
> > > > > > > I've added in the Files area the AN5017 prop hub spec.
>It's
> > > > > > > representative of the Warner hubs(large) used on the
>Ranger.
> > > > > > >
> > > > > > > Curt Kinchen
> > > > > >
> > > > > > Thanks Curt,
> > > > > > I'm laboring over the schematics now. I'm not ready to buy
>a
> > >whole
> > > > >new
> > > > > > hub setup, but it's sure starting to look like I have a
>SAE
> > >#10
> > > > > > hanging on the nose of this Fairchild. It has a metal tag
> > > > >indicating
> > > > > > it's a Warner
> > > > > > Part # 8599 (an alternate hub for the 9700) and it's
>supposed
> > >to
> > > > >have
> > > > > > a special front cone, Part # 8587.
> > > > > > I just don't know what that part is quite yet.
> > > > > > Tom
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
> > >
> > >
> > >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
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