I can splice .25 on
> each of the cap pieces or I can glue a .25 piece
> over the end of the 2 caps
> before I glue the webs
>>
Maybe stating the obvious but as per ML - just make
sure whatever you do is at the outboard end where it
will make no difference anyway. The inbo
But wouldn't this
> effect the washout with a lot of movement in them?
>
I was surprised that they were called flimsy -
particularly after the web was added - this should
become a (relatively) sturdy structure. Alook at the
WAF's gives some indication of the load that they were
d
The KR as such is nothing much, but the concept
generally results in a stunning wee bird - it offers
wonderful potential and brings out the best in the
"experimental" component amongst us.
Witness N19MMR, N41768, N891JF, N4DD, N902G, N1213W,
N??TP. The jury is still out on 53ML, but my guess is
t
I noticed your posting to the KR group
>>
Interesting that you should be a member Mr. Irwin -
what are you building? KR1? KR2? KR2S?
Or do you just hang out to make sure that nothing
untoward happens?
I know where you are coming from, but I also know that
you have just blown infinitely
I don't know, but my hopes are that one of the
> netters has an informed
> opinion and will share it with us.
Don't hold your breath on that.
This leo guy is sure a messy builder - surprised that
you say he made a nice kr. I see what you mean
stephen - if the two meterials dont take the load
tog
Steve you have to think about what you just wrote
there. Not much difference between foam and ply except
for density and weight. If the skin is properly laid
up per manufacturers spec the resulting structure will
be the same.
Mahogany ply is widely available around the world and
has been used for
A loose rule of thumb is to lose 1G per 100 lb thus at
1300lb your're looking at only +3/-3.
>>
I think steve J is saying that the above statement is
a load of 10/100, utter crap with no grain of
substance. He went to some trouble to say why and what
he says makes sense to me
I know where he is
Tommy
Very pleased about your engine - really, but not so
pleased to tell you that you have broken the all time
idiot record. Not by much mind you - you pipped out a
few close contenders.
It pains me greatly to do this, but I will force
myself in order to (hopefully) make a point. Please
scroll
We have no "idiots" on the krnet, only the
uninformed. Please offer your advise and guideance in
a positive way. Thank you.
>>>
You are absolutely right - sincerest apologies to
all. I knew I was pushing it, but hoped to make
general point re trimming the excess.
I would have felt just a b
I have been watching this aeroplane progress for
several months now and I am honestly not all that
surprised, it is already an incredible achievemnt -
but I am very pleased for your sake.
The very best of luck Mark
Ed
Everybody else - lets give him a present and go read
the netiquette - even t
Ouch Orma - I think I am more frustrated about the
last minute hang ups than you are - I am dead keen to
see how she goes.
Maybe this is obvious, but boost is not neccessarily
directly related to rpm - en engine can also be over
boosted at low rpm. In fact, I think high MAP at low
rpm is worse -
I'll be there in spirit
>>>
The idea is to get people together, not spooks.
Ed
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Hey Orma
I am really pleased for you - I check my mail 3x daily
hoping to hear some more. I suspect you will crack it
over the weekend - unless you actually need to change
something (for a bigger something).
I will copy what you have done so I am all ears
(except I will drive of the other end of
I agree with mark jones - drop the knittting talk.
I do think that what stephen j said needed to be said
- i agree with him in everyway. I seldom post because
I have nothing constructive to contribute - but in
this case I feel oblidged to drop a stitch and support
stephen - I doubt that any nette
--- Jack Cooper wrote:
> Russ
> I was at one time thinking of a flaperon system
> but found I was using too
> much time and resources to accomplish it. That is
> when I decided to go with
> a plans aileron system and possibly a belly board.
> First thing to think of
> is that you will need add
Flaperons on a short coupled, low wing aeroplane with
very little dihedral is definitely NOT a good idea.
Why?
Not me that wants to do this so not my function to
defend the crazy notion - give me your logic and I
will reply.
Eddie
__
>You guys should keep an eye on the exchange rate.
> The Aust$ is up at thew moment and that should make
imported goods from there cheper
>>
A great engine in three usefull sizes - starting to
bridge the engine Rubicon
Last year this time the AUD cost US$0.66.
It has steadily risen
Duncan
The undercarriage height is influenced by a few
things, but the two issues in this case:
The Original KR1 and 2 had a low tech, low cost, very
simple retract system that was almost great. Many
KR's are still flying with these folding
legs(taildragger).
The simplicity of the design dictat
Ello!!
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>>the vertical shear force on the spar inside the
>>fuselage is zero
Aw shucks man, why did I not know that before - I need
to rip out the ply shear webs in the fuselage to fit
my rubber tank - now I can. Silly KR, why did he put
them there in the first place - just extra weight.
mounting it from the front spar is fine, but mounting
it from the rear spar has the added benefit of
pitching the nose down a little to give you better
visibility.
>
Mounting the speed brake further fwd has advantages:
= more space for a longer brake.
= wee bit more height on a tail dragger
I was expecting a boffin (like him) to step up and
declare this to be as good as (or better).
You should notice that in my original answer, I said
"should not go through the glue line". I did not say
"must not".
..
And then gods came down from the heavens and the gods
spoke.
It's a very exciting time right now for the X-45
team
I know that I should really look in the archives first
but my curiosity is killing me - what on earth is the
X 45?
Yahoo! Messenger - Communicate instantly..."Ping"
your f
Outer spars taper to 1" in plan view and 11/16 in side
view (front view)
For what it is worth, I think that is crazy - reduces
attachment area for wing surfaces (skins). Mine will
taper in front view only - constant 1-15/16 thickness
in plan view for max glue area.
Need the rear spars?
Ed
> Stupid question... Is the height of the root end of
> the outside spar the same as the height of the
> center spar? From what I can tell it is.
The only stupid question is the one you have, but
don't ask.
No - they are not the same - the centre section cap is
2" deep and the outer is 1-7/8"
Thanks Ron - the pics came out great.
What version of autocad are you using? - I may have
what you are looking for. (Remember that they use ply
on the plans, not foam /glass).
I doubt that the weight of decent folding legs are
worth the hassle on a small bird - word is that a
clean bird with goo
Hi Justin
I was amazed at the quality of the pictures you posted
on the plans.
I only have KR2 plans and always thought the only
difference was the fuselage stretch and maybe the
under cart. I note from your plans that there are
extra ply gussets and doublers on the top of the boat.
In some fot
Good day Orma
I have been following your engine history with great
interest - particularly the excellent service you had
in round one. (500+ hours?)
Is it correct to say that the suspected missing #4
bearing has emerged in the form of the rear part of
the hub and that this is in fact an intrinsic
I have heard great reports from everyone about steve
> benet - would be real
> sad f this is true.
Hey Ronnie - I would not worry too much. I also like
the GPA ream mount system - makes for a sleek cowl,
turns the right way, can mount a starter (maybe an
alternator??) and has some gizmo between
+++ I agree the vne would seem balancing the elevator
is overkill
+++ when it's on the side of safety, I tend to shoot
for overkill
Wise man.
Surely we already know enough to appreciate that
dynamically and statically balanced CTL surfaces are
the way fwd - particularly when we are aspiring to 1
I would really like to know /see more.
We are in a world of dreamers, experimenters, talkers
and thinkers. (and Joe)
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Joe says
Weight on the ends distributes more effectively when
dynamic forces are applied. I have used this method on
the last aircraft I built(not a KR).
Ed says - Weight on the "ends" is at an extremity -
very far from evenly distributed. This extremeity is
the furthest possible distance from
next time try and drill through successive thicknesses
of aluminum, when you give up use that thickness
instead of steel. You should be surprised.
Pardon?
___
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However, I was indicating to someone the strength of
aluminum. From an experience of mine in trying to
drill through an aluminum aircraft hinge.
Pardon?
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A
--- Stephen Jacobs wrote: > > Hi
Stve
Been watching for a while and joined recently - hope
to start a KR2S this summer.
+++My plans are very old (circa 1976/77)
No kidding - that is nearly 30 years - how long has
this little airplane been around?
+++Maybe spar breathing?
I have seen pictures
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