{* 01.07 *} RE: rebel tail alignment

Garry Wright · Post by **Garry Wright** » Sat Feb 18, 2012 10:01 am

As Wayne says, FOKM flies fine without the fin. In fact, FOKM's floats
are mounted a bit forward of normal as a result of being stretched from
1500's to 1800's. Even with this there is no apparent need for more
surface aft of the center of rotation.

--
Garry Wright
068R Amphib C-FOKM
email: wrightdg@ca.inter.net
Phone 403 931 1573

On 17 Jan, Walter Klatt wrote:

Yes, I have a dorsal fin on my Rebel. The vertical fin is offset
3/4 inch, but from there forwards, the dorsal fin is straight.
Seems to work just fine for me.

Not sure if the Rebel needs a dorsal fin. I have never flown
without one, but have been told that it also flies just fine
without one on floats. If I was doing it again, would probably
leave it off.

Walter

-----Original Message-----
From: mike.davis@dcsol.com
[mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Monday, January 17, 2005 3:41 PM
To: rebel-builders@dcsol.com
Subject: Re: rebel tail alignment

Would suggest that you want the dorsal fin straight in
relation to the
fusleage. That 3/4" offset on the fin is already
?able. You sure dont' want
anymore offset surface..or you'll be holding left
rudder all the time.
Others that have the dorsal fin on their Rebel please
chime in! Wayne

----- Original Message -----
From: "Jones, Michael" <MJones@hatch.ca>
To: <rebel-builders@dcsol.com>
Sent: Monday, January 17, 2005 1:44 PM
Subject: RE: rebel tail alignment

hi wayne

this confims direction i was heading, good idea to
align stabs, might not
work for me in single car garage, will have to move
some stuff to basment,
any thoughts on the dorsal fin, align with fin or
fuselage, i assume with
fin

mike

-----Original Message-----
From: mike.davis@dcsol.com
[mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Monday, January 17, 2005 12:55 PM
To: rebel-builders@dcsol.com
Subject: Re: rebel tail alignment

#2..if your's is really that interfering Mike...trim
it back and make a
new
hole with the same edge distance as the
original...remember only ONE bolt
per side or you turn that front spar into a
cantilever beam..and that's
not
what it's designed to be. Also do your self a favour
and make something up
to hold both stabs in alignment at the rear spar,
while you are locating
the
front bolt hole. Easy to get them
cockeyed...especially with your fin
attach
off center and throwing you off. Measure from say
your float point to the
outboard stab tip to check squareness.

#3 Manual does spell out 1 degree stab incidence
with the cabin bottom
level. Do yourself a favour and make it 0.7 Degrees.
That 0.3 will get rid
of the need for slight up elevator in normal flight.

#4 Yes cabin outer floor area level in fwd and side
to side direction is
your "zero" point for wing dihedral and angle of
incidence for stabs
Cheers,
Wayne

----- Original Message -----
From: "Jones, Michael" <MJones@hatch.ca>
To: "Rebel-Builders EMIAL (E-mail)"
<rebel-builders@dcsol.com>
Sent: Monday, January 17, 2005 7:23 AM
Subject: rebel tail alignment

meeting have few questions
manual, when i install
same angle to the
centre
centre line
the front fin attach
center, this now
interferes
about, you guesed it
1/2"
towards the centre is the
should be flush with the
horizontal stab inner most
rib
should have 1 deg of
positive
checked it on an
actual
we are instructed to
assume this means level
in
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