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Aerobatics(at)aol.com
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 Posted: Fri Oct 06, 2006 7:38 am Post subject: KitFox Rudder Authority |
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In a message dated 10/6/2006 10:27:41 A.M. Central Daylight Time, foxfloatflyer(at)hotmail.com writes:
| Quote: | Yesterday I had my first aerobatic flight in a Hiperbipe. We flew a number of maneuvers, including this year's Sportsman routine. I flew the plane to and from the practice area and found that it required a little more rudder pressure to yaw the nose than the Cessnas I usually fly. Needless to say, the tiny rudder of the Hiperbipe is sufficient for aerobatics and had enough area that we were climbing in knife-edge flight. The straight-tail 172 I used to own had more rudder response than more modern 172s and of the 4 place Cessnas the Cardinal seemed the most responsive to rudder (pay attention to the elevator) and the 182 the least. First flight of my Kitfox 5 should take place by Halloween. I look forward to comparing flight characteristics of the 'fox to these other aircraft.
Joel Mapes
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Too cool!! I have seen the hyperbipe fly at Oshkosh a few times very cool..... dont want to sound nitpicking... dont be offended, but it is not the size of the rudder that allowed you to climb.... its the side area if the fuse, especially around the CG.... provided lift the fact that's its a bipe that helps capture the air around fuse, like fences, power and speed. Its kinda like saying, boy can my plane climb because it has a big elevator....  it climbs because of the wing and power.
Bottom line, wish I was you in that hyperbipe!
Dave KF 2
[quote][b]
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janderson412(at)hotmail.c
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| Posted: Fri Oct 06, 2006 5:34 pm Post subject: KitFox Rudder Authority |
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Yes, I flew one one (DHC2) crop dusting and have flown a Chipmonk and DH82.
Delightfully ballanced.
From: "Jose M. Toro" <jose_m_toro(at)yahoo.com>
Reply-To: kitfox-list(at)matronics.com
To: kitfox-list(at)matronics.com
Subject: Re: Re: KitFox Rudder Authority
Date: Fri, 6 Oct 2006 03:43:22 -0700 (PDT)
John:
I'm curious about the control and stability of the
DeHavilands. When I was a kid, I used to fly with my
father in a DeHaviland Beaver, but never have had the
opportunity of being the PIC.
Jose
--- John Anderson <janderson412(at)hotmail.com> wrote:
>
> <janderson412(at)hotmail.com>
>
> Agreed........ an airplane design IS full of
> compromises...
>
> Except de Haviland aircraft......that old gent had a
> secret when it came to
> control and stability...
>
>
>
> From: Aerobatics(at)aol.com
> Reply-To: kitfox-list(at)matronics.com
> To: kitfox-list(at)matronics.com
> Subject: Re: Re: KitFox Rudder
> Authority
> Date: Thu, 5 Oct 2006 15:07:05 EDT
>
>
> In a message dated 10/5/2006 12:51:34 P.M. Central
> Daylight Time,
> kerrjohna(at)comcast.net writes:
> It has been interesting to follow this thread as
> contributors speak of the
> lateral stability and rudder authority. They are
> different things and might
> be considered counter to one another: the more
> stable an aircraft is
> laterally the more rudder authority is required to
> counter that stability.
> The balance of the two is part of design compromise
> process and is not
> unique to this design. We can all cite designs that
> have evolved over time
> to accomodate increased power and other changes.
> Agreed........ an airplane design IS full of
> compromises...
>
> I have a bit of time in some aerobatic planes Pitts
> S2B was amazing not
> inherently stable, but not unstable, just very
> responsive, I Loved it.
> Light controls, point it there, it stays... a
> neutral set up. I have a bit
> of time in a RV4 and found very much the same
> thing... great airplane...
>
> But so is the KF in what it does...
>
> Dave
> KF2
>
>
>
>
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> browse
> Subscriptions page,
> FAQ,
> http://www.matronics.com/Navigator?Kitfox-List
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> Admin.
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__________________________________________________
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Joel
Joined: 06 Oct 2006
Posts: 57
Location: Bremerton, WA USA
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| Posted: Fri Oct 06, 2006 5:45 pm Post subject: Re: KitFox Rudder Authority |
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The pilot of the Hiperbipe indicated that the flat sides of the aircraft and the 200 hp engine provide lots of lift for knife-edge flight. I was surprised at the authority of the small rudder during hammerheads and spins and wrongly attributed that authority to the knife edge performance.
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_________________
Joel Mapes Kitfox 5 912 ULS Aerocomp amphibs |
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