If only we were 10,000 miles closer to each other.
KR2 hopeful
Robin Macdonald
New Zealand
- Original Message -
From: "Larry H."
To:
Sent: 15 July 2006 6:10 AM
Subject: KR> KR Project
> One more thing, I may have a KR project for sale, not the one I am working
on
Mark & Netheads,
If you like to pay my airfare, & accomdation I will balance your engine for
free. I'll bring my gear & spend the next 6 mths going from place to place
checking vibration & balancing engines/props. for anyone & everyone That is
what I have been doing for the last 25 years & now t
Yeah right, & someone will be there with a bloody great fly swat.
Robin
NZ.
- Original Message -
Subject: Re: KR> C5 down under
> In the C5 we could all take turns flying around the interior with the
KR's.
>
> --
> Paul
> KR2 Stretched
> Derry, NH
> ___
Hi guys,
I have been reading the comments about polyester resin.
Just a thought, what about surfboards they have been around for 40 years. They
are made from a block of foam then cut in half & a thin wood stringer is glued
in the middle. Then the shaper shapes the board, then it is glassed with
Netheads,
For what it is worth, I have come across a site about props, one comment there
was that the ideal prop speed is, a tip speed of 680 Ft/sec.
This may help in the selection of the correct prop.
Robin
New Zealand
r.macdon...@clear.net.nz
Netheads,
I guessed it would open a can of worms.
The site I looked at gave an ideal speed of 680 ft/sec, & it looks as though
you should never exceed 900 ft/sec.
So this should give anyone a rough guide of what the RPM should be for a given
diameter. If the RPM is out you should change the
Netheads,
I am interested in all the information about flaps/connection to tubes etc.
Has anyone any idea what the touque is on the tube when the flaps are lowered.
This would give anyone an idea of what size tube to use, what size of flanges
connections etc & what power is needed in the actu
Netheads,
I have enjoyed all the discussion on the steerable tailwheel, to all those who
contributed your answers have been taken onboard.
Now what about a steerable nosewheel, are there any out there & the pro's &
con's.
Thanks
Robin
r.macdon...@clear.net.nz
SC
---Original Message---
From: Robin Macdonald
Date: 08/30/06 17:12:33
To: KRnet
Subject: KR> Nosewheel thingie
Netheads,
I have enjoyed all the discussion on the steerable tailwheel, to all
those who contributed your answers have been tak
Hang on hang on Guys,
Ron has a good point if used correctly Nitrous Oxide is not a problem.
Don't forget a lot of you are busy pushing the envelope for the KR2 .
The KR2 of 2006 is a wee bit different to the KR2 1990.
Robin.
r.macdon...@clear.net.nz
Netheads,
There was a question asked a few weeks ago but I have not seen a reply.
What is the max height of the top of the canopy or top of turtle deck without
interfering with the airflow over the tail feathers
What has been used as the datum, (botom of the fuselage) or (top of rear spar).
Mark,
You suggest you may go topless.
I would be very interested, (but unfortunately it is a bit far to come & see)
how do you attach your turtle deck & front deck to the fuselage & how do you
finish or hide the join.
Are there any others who have done the same & how do you finish off the join
Netheads,
Those who have G meters has anyone any idea what is the G loading at a good
bounce during landing ?
Robin
r.macdon...@clear.net.nz
Net Heads
Thanks guys for all your answers, it makes one think a bit more. Not only the
undercarriange has to withstand the high loading but everything has to. Wings
engine, things you hang on the instrument panel, the seat, as I say everything.
The manual gives the flight loading + 4.4 g -1
Larry,
I copied the KR2s Operatimg Manual off the KRnet not sure whose site I
copied it from,
KR2S Operating Manual
Version 2
July 6 2001
Under Maxiums
Gross 1100 lbs
Maneuvering speed 134 MPH
Flight L
Netheads,
Can anyone help me please.
I am trying to get hold of Mike Mims, tried an email addres, but it came back.
Something missing.
Thanks
Robin
r.macdon...@clear.net.nz
Netheads.
With reference to the Douglas Fir. I have come across an article about specs
etc of various woods & included is a tester for wood. It is a simple jack on
top bathroom scales. The wood is held at the sides & the jack increased & then
you read off the weight on the scales.
If anyone
Netheads,
Something you have to take into consideration when fitting a turbo to a non
turbo engine is the compression ratio.
A non turbo engine will be in the range about 10 : 1 & a turbo engine will
have something like 8 : 1
Robin.
r.macdon...@clear.net.nz
Netheads,
There was an inquiry a few weeks ago about the Storage/Shelf life of Resins.
I have just received the Product Guide for the West System
Store at room temperature. Keep containers closed to prevent contamination.
With proper storage, resin & hardener should remain usable for many year
Netheads,
Great article in the EAA mag. I think Mark did very well.
I suggest to put Mark's name forward forward for the Queen's New Year Honour
List.
Just think what that would do
Arrise
"Sir Mark Langford."
Mind you it's only giving credit where credit is due. Well done Mark.
Net Heads,
Someone was going to splice the longerons to extend the fuselage. The
recommended splice is 15 : 1 .
good luck.
Robin
r.macdon...@clear.net.nz
Netheads,
I have ben trying to get hold of Dan Diehl as well, I have just had an email
back from him.
The address was d...@diehlaero.com
Good Luck
Robin.
Netheads,
I have been given some early KR Newsletters. In one Newsletter Aug 97 there is
an article about glassing etc. This guy's suggestion was before glassing prime
the foam. this stops the epoxy soaking into the foam.
Make a primer of powered waterproof glue mixed with water, the type that
Hi guys,
I am still on dial-up (Broardband has been coming & going for the last few
months not sure what is going on) I find the new Forum a bit unwieldy & slow
sorry it is not for me. As somone suggested can the emails be sent as they are
now as well as the forum, would be much appreciated.
Netheads,
Someone suggested to pay for an article by Paypal. I agree it is an excellant
process but don't forget how do you pay Paypal.
You have to pay Paypal through a credit card, there is a charge because the
transaction is in another country, a charge because it is an other currency a
cha
Netheads,
I realise this is not KR2 related, but hope someone out there can help me.
I have a lathe with an ACU-RITE DRO on it & one of the heads has died. I have
sent 2 emails to ACU-RITE in USA within the last week but so far had no reply.
Is there anyone out there who has had experience wi
Netheads,
I opened this mornings paper, there is a photo of a KR2 upside down at a local
airport.
He landed beside the tarmac runway ( not sure why) & then flipped over. The
ground was very soft & soggy.
Looks like a tail dragger with retracts.
Not badly hurt, canopy & prop smashed . Moral
Netheads,
I have been following the discussion on the wing incidence & washout & found it
very interesting.
One thing, everyone has used the AS 5046 at the root & the AS 5045 at the tip.
There has been no mention of the AS 5048, Why not & what characteristics would
the AS 5048 give? & what i
Netheads,
I have a Slick 4216, I am after some information on it before I pull it apart.
Would appreciate if anyone can help, O/H, clearances, setup etc.
Thanks
Robin
New Zealand
r.macdon...@clear.net.nz
Mark wrote
. " Last year I camped in the woods with Brian Kraut and Dana Overall, so
I'll plan to do that this year too."
Sounds as though it's the gathering of the Sun N Fun Gnomes.
Signed
Anonymous
PS
I wish I could join you
Netheads,
I have been trying to get hold of Dan Freeman, but his email keeps coming back
unable to be delivered.
Dan if you see this would you reply please its about X Plane.
Regards
Robin
New Zealand
r.macdon...@clear.net.nz
Netheads,
Has anyone know of an engine Aero Twin , something to do with Aero Twin Motor
Corporation in Nevada. or Air Scooter Corporation.
It is a light weight high power 4 stroke engine, 2 cylinder 70 hp at 75 lbs.
Develpoed for a helicopter, & could be used in light aircraft.
Much apprec
Pete,
What about using the cables for outboard motors, If I remeber rightly they
were called Teleflex
Robin
> Guys,
> Has anyone looked at using push-pull cables for aileron and elevator
> controls? I have seen them used on Kolb Aircraft, but they would not
devulge
> any info as to their supplie
Net heads,
There is a test rig for woods in a very early KR newsletter. About # 10 or
something like that
Robin.
r.macdon...@clear.net.nz
Net heads,
Someone asked about the Diehl Gear,
There was a reply about the size/length 24" & 30". What does this length
apply to. ?
Thanks
Robin
r.macdon...@clear.net.nz
Netheads,
A few weeks ago some was talking about using 5" irrigation tube for wing tanks,
I am interested & am looking at doing something the same .
I would appreciate if you could email me of how you are getting on.
Many thanks
Robin Macdonald
New Zealand
Netheads,
Thanks for your comments. Not sure which way I will go but appreciate all your
suggestions & advice.
When I get round to it I will let you know what I have done.
Robin
New Zealand.
Bobby,
Not sure if anyone has already replied, someone on the KRnet in the UK has
what you want. The fuse is pushed in then the wings go in a box/crate with
wheels in the front & that slides under the fuse. Then shut the rear door &
away you go. He had wooden blocks glued on the end of the spars &
Netheads.
I have acquired a KR2, & I would like to rebuild the outer wings. The wings
are heavy (approx 50 lbs), the aileron hinges are about 1/4" concave, & I would
like to put tanks in the wings.
Unfortunately I will stick with the RAF 48 airfoil I don't want to do the inner
wings & repos
Netheads,
Thanks for all the replies.
Someone suggested PVC tubes, someone else said be careful, with the modern day
fuel they may attack the PVC. Plus not much difference in the weight of the
thin wall Ali tube & the PVC
I will go with the Ali tube.The tube comes in 5mt (12ft) lengths. I wa
Dan,
I found the newsletter Aug 83 pge 2, Q & A
Q, What should the wings & tail weigh.
A, My wings were 28lbs with ailerons installed & without balance weights.
Rudder was 3lbs, Horiz Stab 7 lbs, Elevator 5lbs.
Robin.
> I am not sure that I would believe the 28# wings. Almost h
Netheads,
While we are busy discussing tanks, what about round tube versus fabricated
tanks. I was a bit surprised the area of material to make a tank, a round tank
will hold more than a square or oblong tank for the same amount of material.
We can work out what the weight for a round tube/ how
Bill,
I had a look at your setup, do you know how much fuel & what the tank setup
weighs.
Robin.
Mark Jones.
I have tried to email you, but have had email returned. Would you send email &
I'll try again.
Thanks
Robin.
r.macdon...@clear.net.nz
Netheads
Dan replied to my email he has been away then his computer crashed.
Not sure how he's getting on.
robin.
Netheads,
I would like to contact Jeff Scott (N1213W) but do not have his email adress.
Jeff would you reply to this email or does anyone know his email address.
Many thanks
Much appreciated
Robin.
r.macdon...@clear.net.nz
Nethead
I'm having trouble sending emails. Dan Freeman would you send me an email
please.
Robin.
r.macdon...@clear.net.nz
To Mark Jones & Dan Freeman,
I have been trying to get hold of you but had emails returned. So I contacted
my provider, & they said that your provider will not acept any emails from my
provider as they think is is spam & reject it. You both use the same provider (
rr.com ) I'll see if I can con
Coda Riley,
Would you send me an email off net please, I tried sending one to you but it
came back.
Thanks
Robin
r.macdon...@clear.net.nz
Netheads,
A suggestions to those who are starting to build.
Before you go too far have think about what are you going to do about brakes.
Are you going to have any & if so what sort. How are you going to mount them.
Are you going to incorporate them on the rudder bars. Are you going to mount
In Mid 08 someone with a KR in The Netherlands replied to a post of mine, would
appreciate if you would reply again.
I have had a good look for your email but must have deleted it.
"Happy New Year "
To all on the Krnet have a year of enjoyment & safe flying for 2009
Robin
New Zealand.
Peter,
What was the reasoning behind the hardwood blooks, in the orignal RR only
use 0.90 aluminium.
What was the dia of the bolts that held the rod ends onto the spars
, I want to use 3/16th dia.
Robin.
- Original Message -
From: "Peter Drake"
To: "KRnet"
Sent: 6 February 2009 11:32
Subject: RE: KR> finally current again
I don't know if I am doing this correctly or not. But I am a want-a-be that
soloed some years ago but never followed through due to financial
considerations with small children etc. Now those considerations are all in
their forties and I am approaching ret
Hi Guys,
I'm after some help with gas struts.
I want to use gas struts for the canopy, I have 2 but the pressure is too high.
Apparenty you can increase the pressure but most struts you cannot reduce the
pressure. With the struts that you can reduce the presure there is a valve in
one end but
I know how a KR2 wing is miced. I bought a KR2 that had been built in the 80's
& decided to redo foam & glass on the wings someone had added an other layer of
glass & I think they used polyester over epoxy . When I opened up one wing
there were 2 very desicated mice when the wing was built they
Hi Guys,
I'm tyring to sort out aileron travel. In the construction manual there is a
dwg of the aileron bell crank.
Also in the manual it gives a list of control system travel. The travel of the
aileron is supposed to be + 20 -10 but there seems to be a conflict between
the limits & what y
Dwight,
Before you go down the track of what to build etc, you don't give your
experience of flying. If the answer is none you have to ask is flying for
me & can I get a certificate, go get a few flying lessons & get your
medical, then if you decide to carry on, Get to the next "Gathering" a
Sid,
Thanks for the advice, I have a canopy that was purchased from RR in 1984 &
was wondering what to do. Will let you know how I get on ( in a bout 12
mths time)
Robin
N.Z.
- Original Message -
From:
To:
Sent: Wednesday, June 24, 2009 2:03 AM
Subject: KR> Plexiglas Spray Lat Re
Hep Porter,
You forgot to say where you are. The world's a big place
Robin.
- Original Message -
From: "Hep Porter"
To:
Sent: Tuesday, July 21, 2009 5:52 PM
Subject: KR> Hapi Engine Mount
Howdy,
I'm looking for a Hapi engine mount to install a C-85 on a KR-1 does any one
have one
Jeff,
Enjoyed your trip log. What was the total flying time.
>From someone who can fly coast to coast in approx 2 hrs.
50% done & 90% to go.
Robin
N.Z.
- Original Message -
From: "Jeff Scott"
To:
Sent: Saturday, September 26, 2009 6:41 AM
Subject: KR> KR Gathering / Trip Flight Log
Hi guys,
Slowly getting on with my KR, at present doing wings & tanks.
I am looking at radio's our $ is high so thought it might be a good time to
buy.
I have been looking at the "Microair Model M760" & now someone has suggested
the "Flightline FL760", has anyone any thoughts or had experie
Hi Guy's
I have a HAPI engine & need a set of rubber mount bushes. Any idea where I can
beg borrow or steal a set. ( Apparently Continental bushes)
Many thanks
Robin
N.Z.
Hi guys,
This might be worth a look for someone looking for undercarriage.
Robin.
- Original Message -
From: bneesan
To: ransfly...@yahoogroups.com
Sent: Wednesday, December 02, 2009 6:57 PM
Subject: [RANSflyers] Rans S-6 Grove Gear
I have converted my S-6 back to a tri-gear. I no l
Guys,
I am in the process of glueing the foam to the spars, wing leading & trailing
edge, tail feathers, etc. I have made the main wing planks in a sandwich & they
are floxed in placed. Now I want to do the leading & trailing edge & the tail
feathers.
What is the preferred process to attach
Hi guys
Many thanks for your replies. Especially the reply from Larry. I was a bit
concerned that the adhesion was important, as long as the foam stays in place
long enough to sand & glass & is easy to sand. The most important is the the
adhesion of the glass to spars.
Many thanks to all th
Ask Dan Freeman. I have a KR2 from Dan on X - Plane, ver8 Magic.
Robin
NZ.
- Original Message -
From: "mark wood"
To: "KRnet"
Sent: Sunday, March 21, 2010 3:41 PM
Subject: Re: KR> KR2S Flight Simulator
Have any you guys done anything with X Planes. With it's blade
element mode
I looked at using the irrigation pipes for tanks, but changed my mind.
Cost, not sure if sealing my be a problem, weight, length of tube & fuel
sloshing a round etc. etc so made up aluminium tanks approx 8gals in each
outer wing. plus header tank 4 gals. Got the ideas from someone else on the
n
West Pumps,
To clean, the 105 resin pump wash in Acetone. The 205 hardner pump wash in
water.
If Resin has crystalised sit container in warm water. If not sucessful bin
it.
As Gavin suggested always do a test piece
Robin
NZ.
Subject: Re: KR> west system epoxy
David Swanson asked
How can
Try heating slightly with a hair drier, carefully. This is how I get the
protective coating off acrylic sheet (Paper, Plactic what ever)
Robin
NZ
- Original Message -
From: "WARRON GRAY"
To:
Sent: Tuesday, May 04, 2010 2:24 PM
Subject: KR> canopy covering
Hi guys I have a "S" and wa
- Original Message -
From: "Dan Heath"
To: "'KRnet'"
Sent: Sunday, August 08, 2010 11:59 PM
Subject: KR> Wing Tank Construction and Retrofit into the Black Bird's wings
I made aluminium tanks & used yacht fittings for the tank filler. The vents
come out the bottom of the wings in ca
To all those going to The Gathering good luck & take care.
Robin
NZ
I am in the process of sanding my wings & laying up the glass.
I read the manual to be sure of the process. 10.16 in the manual. Apply one BID
layup aft of the main spar,with good contact to both bare wood spars. The area
forward of the main spar will require two BID layups. Overlap the aft are
Pete,
I have the dwgs from the local CAD (Feds) that were produced in the early
80's about fitting of the spacer & single bolt & I think it originated in
OZ. Not sure how I will get on with mine, we will see.
75% done 50% to go
Robin .
NZ.
I think there is a change to the WAF system whe
I agree with you the spacer & one single bolt is stronger than the two
bolts.
The only problem is to start with this when you fit the WAFs to the spars,
if the WAFs are slightly out of alignment you have a hellve job to get the
bolt in without damaging the bolt or the WAF's . As there has neve
Charles,
Your comment about the outer wing being the least stressed point on the
wing, the reason that is because there is no weight there & the aerofoil is
not holding up much of the a/c. If you put 30 lbs of fuel out there the
stress could change from the least stressed to the most stressed.
I have been reading about various people's idea's of the different welding
styles & equiptment.
My suggestion is before you even start go to your local training
estabilshment, & learn about all the various bits pieces & have a go . By
the time you have purchased your equiptment etc etc the cost
Hi Guys,
Have a look at the FAA AC 43-13-16 gives a lot of good information on wood.
glues, fastners etc all sorts of material etc.
Robin.
sage -
From: "Peter Drake"
To: "KRnet"
Sent: Saturday, February 26, 2011 10:32 PM
Subject: KR> Kr Robin Macdonald
Has any one heard anything from KR builder Robin Macdonald in New Zealand.
He lives very near the epicentre of the earthquake. I emailed him soon after
it happ
Try the boating industry, they have all sorts of shapes & sizes.
Robin.
Earthquake City
NZ
- Original Message -
From:
To:
Sent: Wednesday, March 02, 2011 11:09 AM
Subject: KR> Fuel filler and caps
One thing I tried & has been successful, use the peelply in places where you
are going to have an additional layer of glass, don't wait till the resin
has gone hard before you remove the peel ply.
In the places where you are not going to have any more glass, squeegee off
the excess resin then s
Hi Guys,
I am donig the bottom of the inner wings. I have a trike undercarrage with the
legs on the rear of the front spar. Do I leave any clearance between the leg &
the foam/fibreglass, is there any flexing & if so how much clearance do I
leave. Or what have others done.
Mnay thanks
Robin.
I got drawings etc from Peter Drake in the UK.
Robin.
Shake city we have now had something like 8500 aftershocks since Sept. 2010
- Original Message -
From: "Craig Williams"
To:
Sent: Sunday, July 24, 2011 4:48 AM
Subject: KR> torque tube control of ailerons
Good morning fellow KR'
Hi Guys
Just curious, I see someone is laminating glass over dynel.
Personally I would not change material, there may be different characteristics
that you don't know about or understand, until they part company.
Anyone else had comments.
Robin.
Chch. NZ
>From the place of 8000 aftershocks
I'm not sure club is the right expression I think it should be
Welcome to the " ZOO "
Good luck.
Robin.
> newer builders appreciate more than you will ever know.
Welcome to the club!
___
Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.j
There is the possability of a new engine, it was developed for the Jetpack it
runs the 2 fans for lift for the jetpack.
Liquid cooled & light.
Have a look at http://martinjetpack.com/
Robin
Christchurch
NZ
The home of 5 earthquakes & 10,000 aftershocks in 15 mths
Larry,
If you like to pay my air fare I'll help on the registration table.
All those going take care & enjoy yourselves.
Robin Macdonald
N.Z.
Finally, if anyone would like to volunteer to help out at the
registration table on Friday or Saturday, just show up and offer to
help. L
Hi guys I have a KR 2 that I am rebuilding , it had a 2100 Revmaster but
the previous owner took it out & used it on something else, I am
investigating fitting an electric motor etc can what I want to know is what
is the weight of a 2011 VW With all the accessories, I am looking at
fitting a 70KW m
Larry,
Just a suggestion if you are going to balance the shaft
I would do the pistons & rods as well, a quick check to see how good they
are is to weigh all the pistons
they should be within a few grams, & weigh the rods they should be the
same, within a few grams
If the rods are different t
If I remember many years ago a nethead Troy Pettiway was increasing the
width of the tail feathers by 12" per side, I'm nt sure if this is the
right spelling
Robin NZ
___
Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/.
Hi Guys I am looking at an electric unit for my KR2 MGM Compro 70Kw.
electric motor, the electric motor weighs approx 14 KG plus the
controller, plus battery
I have a VW Happi but the price of fuel is going up, so why not try an
electric Unit.
Regards Robin Macdonald New Zealnd
Hi Thomas, I am certainly interested in the 3 engines the only problem is I
am in New Zealand, there would be boxing up the engines plus freight to NZ.
Regards Robin Macdonald phone 64274080530
On Thu, 4 Aug 2022, 12:17 Thomas Horch via KRnet,
wrote:
>
>
> Sent from my iPhone
>
Hi Larry I am after Mark Langford's email adress I am after some
information on engines Regards Robin Macdonald New Zealand
-- Original Message --
From: "Flesner via KRnet"
To: krnet@list.krnet.org
Cc: "Flesner"
Sent: 12/01/2023 1:19:46 pm
Subject: Re: KRnet&
92 matches
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