RE: keep you from making the same mistakes that many builders make. 

At the risk of posting a ME TOO, which may be better than something about
uranium, I agree with Mark and want to add something. 

First, this is my second KR. I flew the first one for a little over 6 years.
I could not put on my headsets without bumping the side of the bubble. This
is the reason that Jerry and I have spent so much time on our canopy. We had
all the pre-molded parts. We discarded the canopy frame and cut up the
bubble to use as windows. The turtle deck is wrapped around a frame that was
designed around US, 2 people.  We then filled it in on the sides. We could
not widen the fuselage because by the time we realized that it could be done
 it was way too late.  We spent a lot of time designing the seats to get us
as low in the available space as possible. We have test driven our beast and
it is very tight at the shoulders. Be sure you are flying with a friend
and/or lover and remember your TicTacs.

The thing that I want to add is, take the time to put in dual sticks or at
least get the control between the pilot's legs. Other than NO head room, the
center location of the stick, is the thing that bothered me the most about
my first KR. There are many benefits to doing this and as I see it, no down
side. You have a built in arm rest, your legs. You can fly with either hand,
you can let the passenger fly the plane, and most likely will be able to
stabilize the craft with your legs while you unfold your map or have to do
something that requires both hands. Of course, if you are lucky enough to
build one like Bill Clapp's, then the last benefit is mute.



Decide on the mission for your craft before you start and give extreeme
consideration for any deviations from that mission during the building
process.



There is a time for building and a time for FLYING and the time for building
has expired.

See N64KR at http://KR-Builder.org - Then click on the pics 

Daniel R. Heath - Columbia, SC

See you in Mt. Vernon - 2005 - KR Gathering

-------Original Message-------



From: KRnet

List-Post: krnet@list.krnet.org
Date: 10/16/04 21:46:41

To: KRnet

Subject: KR> canopy height, panel height, cockpit width



NetHeads,



I've flown in probably 10 or 12 different KRs over the years, and would like

to point out a few things to those of you who are building, in hopes that

it's not too late to keep you from making the same mistakes that many

builders make.



1) Widen the fuselage at the cockpit, period! The simple truth is that

anybody who carries a passenger in a KR2 or KR2S (they are both the SAME

width if built per plans) will want to surgically remove the passenger's

left arm at the shoulder to avoid discomfort. I'm pretty skinny, and I

always have to put my arm around the pilot's neck to fly a KR. Don't let

this happen to you. Widen it at least 3" at the shoulders, or kick yourself

later when you come to the realization that your passengers will be

miserable. It's easy to do (unless you plan on using the full RR premolds)

and won't cost you much speed.



2) Make the canopy tall enough for passengers. You say you're short and you

can see just fine? Your next passenger may need a lobotomy to fit inside.

My canopy is 17" above the longerons (which is per plans, best I could

tell), and my seat is 1" off the floor, and I only have an inch above my

headset. It was worse than that, but I just spent the day hacking up my

seat to lower it two inches! I thought I'd be OK until I bought the new

Lightspeed headset that has an extra inch of padding on top. Your choice of

canopy has an effect too. The Dragonfly is flatter across the top, giving

ample headroom for both pilot and passenger, and allows more lateral space

so you can look down over the side of the fuselage. But whatever canopy you

use, it can probably be reshaped to some extent at the aft end to take on

more of a squarish shape that'll be comfortable to fly in. I once flew in a

KR2S that I had to bend my head over toward the center of the cockpit, and

didn't even have enough room for my arms to move far enough to bring my

camera up to my eye.



3) Don't make the instrument panel hang down more than an inch or two below

the top of the longerons. Mine hangs down 1.5" below the top of the

longeron, and I have plenty of legroom, but my legs are skinny. Some of

these guys look like they're slipping their legs through slots. I got in

one KR2S where my knees were jammed into the bottom of the panel, right at

the knee cap. I'm still recovering. If you're using the AS5048 airfoil (the

tall one), don't forget that your main spar just grew about 2" taller, and

you're going to need even more room under your panel. Most of the panels I

see have plenty of room to spare between instruments, and could have easily

been "tightened up" vertically. If you've got two rows of 3.12"

instruments, you've got enough.



While I am 6 feet tall, I only weigh 142 pounds (that's why I get all the KR

rides), so I'm not exactly a giant. Having said all of this, my wife would

probably point out that I'm one of the few people on the planet who could

manage to complain about having flown in so many different KRs. But I like

to think of it as the voice of experience, trying to persuade you guys not

to make the same mistakes others have made...



Mark Langford, Huntsville, Alabama

N56ML "at" hiwaay.net

see KR2S project at http://home.hiwaay.net/~langford







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