765 pound empty weight. According to my calculator, at 21G's
> with a 200 pound VW, the firewall should still be good for nearly
> 17 G's with my 250 pound 0-200. I'm using a HAPI VW mount
> Larry Flesner
>
Larry, How do you make an O200 weigh 250 pound??? Mine is only 191 pound
with everyth
Have a look down the page a little, I have an O200A and it's listed at 190
pounds.
Gav
http://home1.gte.net/ikvamar/avlinks/engines.htm#Engines2
>
> > All switches ON. Pump the throttle TWO times leaving it in almost full
> > throttle ...just a small crack .
>
I hope on the day that you have to prop start it by hand while alone you
remember to close the throttle or it'll be off on it's own across the
field!!!
Very bad
. The picture of your left wing stub I see somthing just above the
> main spar that looks like it must be some kind of opening for cabin
cooling.
Yup it's a home grown NACA duct for cabin ventilation, I think i've made it
too big though, time will tell.
I just marked out the shape on the 3mm
http://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=a154
Sorry all heres the link again.
Gav
> Are you using the 18% tapering to the 16% airfoil or the constant 16%?
Your plane sure looks nice.
Thanks I like the look of it too,
I'm using 5048 at the root and the 5046 at the tip.
The wings as you see them there still have to get the 8" tip extensions
added to them.
Gav
Hi all,
I've been flying with a friend in his Cessna 210 over the weekend,
and discovered he is using a great idea for a sunshade.
This guy also owns a Rutan Varieze so is very conscious of weight, an issue for
all of us KR2 builders.
His sunshade is simply a piece of A4 size paper,
Hi all,
I've added a few pics to my Yahoo album with the wings on.
Gavin
http://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=a154
It may be firing at TDC but is it on the compression stroke or the exhaust
stroke?? I would be easy to make this simple mistake.
You need to put your finger over the plug hole while turning it to TDC, so
you can feel compression. If you don't feel any its on the exhaust stroke.
Gav
- Or
I think if you ask any of the good auto electricians, they will have a box
full of cintered bronze bushes all sizes. You'll find one to fit easily, I
wouldn't think it would have to be a special part number for your starter.
Gav
- hapi revmaster, and the starter needs some work. I have tr
Hi Mark
Am I to understand that you plan to go without a carb heat
cable and allow full automatic operation operated by ram pressure alone??
Gav
. Carb heat
> valve and ram air valve are both cable actuated, but next time I'll make
the
> carb heat a weighted affair, so when ra
: Re: KR> teeny weeny project update
> Gav wrote:
>
> >Am I to understand that you plan to go without a carb heat
> > cable and allow full automatic operation operated by ram pressure
alone??
>
> Right now it's not, but when I build the next one it will be that way. >
Sorry Mark!!
That's because that's what it is
Gav
> Well, I checked it out> The Joey 2 looks amazingly like a KR2.
Mark I hope you have an engine driven pump as well!!
If not what happens when you've run one tank dry, and the pump on the other
fails?
Does this leave you without a backup pump?? wouldn't matter if you had
gravity feed but tanks in the wings need at least two bumps in series for
redundancy.
Gav
Oh!! and nobody has mentioned the use of tissue for the final layer of the
fuel tank construction. That's two layers if bid and one layer of tissue to
seal the weave in the BID that's what I've used and all seems well.
Gav
Phil if you are having trouble with V.E staying tacky you need to add wax in
styrene to it for the final coat.
The wax floats to the top of the resin while it's curing excluding the air,
which is what needs to happen for V.E to cure properly.
Gav
> V/E does have drying problems, it stays tac
That's not gum on the surface, it's uncured resin!!! the resin with the wax
in it does cure completely and sands very well without clogging the paper,
but you do need to sand it before you recoat it if you let it completely
cure.
The resin I am using is unwaxed and I'm adding wax in styrene to the
So you approve of using foreign materials like PVA inside your fuel
tanks! "I DON'T THINK SO" I don't need that sort of contamination in my
tanks.
Gav
The release agent stuff that washes off easily. I never, ever use wax (or
> waxed resin) since it trashes any bonds to that surface in the
: Re: Réf. : Re: KR> VE resin
> Then, how do you get rid of the wax, so it won't gum up your paper. The
PVA
> solution sounds good, as, then you can just wash it off.
The waxed resin doesn't actually leave a waxy surface on the cured resin,
It's as hard as hell. It's the resin without wax in
I Have found wax in styrene isn't waxy at all It's as runny as Avgas and is
added at only a maximum of 5% by volume. It's not even waxy to feel before
it's added to the resin, more like water.
And at those low percentages there isn't even enough of it in the resin to
clog even the smallest piece of
I get all of my Fiberglas supplies from the local boat yard, If they don't
have it they can get it.
Gavin
> Where do you get this wax in styrene?
-
>
> I wouldn't use PVA in there any more than I would wax, actually. You can't
> see the inside of the tanks, why would you need to sand them?
U you wouldn't need to sand them ! but you also don't want to
have uncured resin in there either.
Gavin
Build the tanks in the outer wing panels, I've got about 38 U.S gallons in
mine and no header tank.
Gavin
> I am wondering if it is possible to make the spars longer to
create
> bigger fuel tanks and maybe shorten the out spars a bit. Maybe talking 6"
or
> so on either side. If anyon
I think you need to turn your spell checker on in outlook!!!
3:31 PM
Subject: KR> KR1 wings
> i made wings to RR plans 72 circa and is there
to
> double check the
> W/O ? I used the tw to hold them. But is there anyway to measure for
> accuritethey are check the arc
The callipers are off a Kawasaki Quad bike(four wheeler), Light compact and
cheap.
Gav
> What caliper unit are you using on your custom disc brake set-up?
> I like your fuel guage. Where did you find that?
> Gene Leone, Worland, > at
The fuel gauge is from the local marine shop, they come from the stainless
steel cruise tanks, it's called a sailmaster. Spruce sells something
similar, I've used these ones because everything I get from spruce seems
heat
controls yet or any electrical.
Gav
hhtp://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=a154&.src=ph&store=&prodid=&.done=http%3a//au.pg.photos.yahoo.com/ph/glasseyegav/my_photos
> Gav's link should be:
>
> http://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=a154&;
> src=ph&store=&prodid=&.done=http%3a//au.pg.photos.yahoo
> I kinka like tha brushed aluminum look. Looks like it is going to be a
> really neat panel. Is tha
Has it been quiet or have I not been getting all messages???
Gav
Hey Mark what are you going to cover that wing attach area with?? you've got
quite a gap to fill.
Gav
I'm thinking fuel pressure gauges, and all I can find locally is the mechanical
type!!!.
I was after an electric one with a pressure sender to keep any potential leaks
outside the cockpit.
What do most use ? is the mechanical type with a capillary tube acceptable ??
Gavin
But surely if you have a redundancy system in the form of two fuel pumps,
wouldn't it would be nice to test both before heading off into the wide
blue.
Gav
> Forget the fuel pressure gauge. Fuel flow is what you want, if the fuel
is flowing then you must have fuel pressure. A good fuel >
Well I seem to have stared a very small debate about whether I should
actually have a fuel pressure gauge.
But that was never in doubt for me, I have always intended to use one.
The question was. Are almost everyone using a mechanical gauge or are most
using an electrical gauge
I don't really k
ace of the wing.
Gav
http://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=a154&.src=ph&pok=phi2Hacbo9aw67de
Try this
Gav
http://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=a154&.src=ph&store=&prodid=&.done=http%3a//au.pg.photos.yahoo.com/ph//my_photos
Third time lucky.
Now I've activated public sharing.
Gav
http://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=/a154
I've just finished closing up my left wing tank and glassed the entire bottom
of the wing, but that Vinyl ester is a real pain to use
I've heard that for sealing purposes only it's OK to use Epoxy resins to do the
first layer of the fuel tank and the micro in the corners etc, and then to use
Here in Australia at a remote airport which is very significant as being the
birthplace of QANTAS airlines, there is an early model Boeing 747 on a
permanent static display!! This aircraft is complete and ready to fly, it
still had a couple of thousand hours to run when it was parked, all it needs
I'm about to put the fuel pickup in the outer wing tanks, but I've found with
the new 504xx airfoil section if I place the pickup at the rear of the wing to
make sure that it isn't uncovered in the climb ,it will actually be a lot
higher than the lowest point when the aircraft is in the cruise.
Mark the link doesn't load the photos.
usable fuel. Here is a link showing in detail how Dana Overall built my
> tanks. http://www.krnet.org/wingtank/
I've set up a yahoo page for all to see.
Gavin
http://au.pg.photos.yahoo.com/ph/glasseyegav/album?.dir=/a154&.src=ph&.tok=ph_eMXCB8Mee67de
It's a polyurethane foam yellow in colour, I'm getting it from the local
fibreglass warehouse.
Gavin
> What type of foam are you using on the outer panels, it looks relatively
> light coloured - almost white?
___
Sort of a hybrid really, partly copied from Mark Langford's site partly my
own design.
Gavin
> Your dual controls is almost similar to mine, copied of the Pollywagen.
HI All,
I've been glassing the underside of my wing stubs and the inside of my wing
tanks today, wow that vinyl ester is awful to work with (sticky).
I have a question about where my Diehl type gear legs enter the stub. I'll need
to fair the legs in a bit, Do most make these fairings removable or
Hi Gang,
Just curious, what is the price of avgas in the U.S at the moment?
It works out at about $3.91 U.S for a U.S Gallon over here in Australia at the
moment!
Gavin
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Hi all,
Quick question!! on the Dan Deihl type gear legs, Do the bolts holding the legs
to the wing spar bracket require aluminium back up plates against the
fibreglass leg or are flat washers enough surface area??
Gavin
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Hi all,
Has anybody made their Pitot and static tubes from 3/8" tube??
I have plenty of 3/8" tube and a bender to suit.
If it were to use 1/4" I'd have to source it and a bender as well!!
I was planning on making a nice tip to press fit in the 3/8" tube, to reduce
the inlet size and make it look a
I'd like a copy myself Steve, I have a friend here in Australia who is past
the boat stage on a twin KR2 of his own design.
I'm sure he'd like a look at them.
gdono...@bigpond.net.au
Gavin
> If anyone with a web site would like to post these photos, let me know
> and I will forward.
>
>
>
I'm up to the wing stage and have fitted the outer spars, The main spar feels
solid as a rock as one would expect.
But the aft spar feels kinda flimsy to me !! The main spar has no movement at
all but when I flex the rear spar at the tip it seems to flex quite a bit and
doesn't feel at all like
- Re: KR> Spars
> Gav wrote:
>
> > It seems to me that the rear spar will mainly take the fore to aft loads
> encountered from wing drag.
>
Rear spar breakage in a KR is not something to lose
> any sleep over...
Thanks Mark I feel a whole lot better now.
Gavin
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