KR> Weight

thered mahogany), mahogany is plenty good enough! I checked the KR-2 plans, and they say mahogany, birch, or popular... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Weight, Noob questions

ans call for birch plywood on the spar faces, rather than mahogany. Mahogany is fine on the fuselage, however, and a great place to save a little weight, at a cost. I used mahogany for my fuselage sides. Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Weight of 5048 wing vs. 5046 Noob questions

version, extend the center spacing, and then "back into" a spar cap thickness. Of course then you'd have to customize your wing attach fittings for the thinner spar caps, so maybe the extra pound is better after all... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Weight of 5048 wing vs. 5046 Noob questions

d time remembering if there's even one plane flying with the AS5048/45 yet, but there probably is or are. I think any difference will be minimal, and like you said, it'll be lost in the noise of other flight characteristics of the particular plane. Go for it! Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Engine question

a no-brainer, and Great Plains is the place to go for that. See http://www.greatplainsas.com/ for details... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> header tank hold downs

r is the fuel in close proximity to lots of wires and electricity, not to mention my vital organs. You've probably heard that before from me though. There's more of that kind of stuff at http://www.n56ml.com/kopinion.html ... Mark Langford ML at N56ML.com website www.n56ml.com

KR> xoo...@gmail.com is inviting you to check out zubie

Jones wrote: > Langford you need to banish this poster. Done. I'm sure it's a robotic email takeover of some sort that he doesn't even know happened. He's free to resubscribe when it's straightened out... Mark Langford ML at N56ML.com website www.n56ml.com

KR> (no subject)

ipping cost. His contact info is: Larry Capps KR Newsletter CD 53 Redstart Road Naperville, IL. 60565 The quality of the later ones is very good, and makes them worth the cost... Mark Langford ML at N56ML.com website www.n56ml.com

KR>Tailwheel Spring for Aviation Products Tailwheel

prings...replacements and stiffer aftermarket springs. Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Foam cutting large scale

it with the internal fiberglass skin, and I spent a lot of time doing itbut I'm not sure it was worth the extra time. Do what's worked for others and get on with the job... I flew 1.4 hours around the patch today, landing with 990 hours on the clock... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> laser cutting panel

. Cost will be higher if you don't hand them a CAD file and they have to program it. Maybe Joe's guy is the one to talk to if he's still under $100... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> laser cutting panel

e tolerances. They'll get very close to perfect dimensions, so don't make grossly oversize holes... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> sunsets

perfectly clear air and on above the edge of the overcast to take pictures to the west. Mark Langford m...@n56ml.com website www.n56ml.com

KR> VW True HP

ch is called "normalization" and is what you speak of, but it can be turned up to deliver more performance than normally available, which could continue to 20,000' if the turbo was sized for it and the wastegate would allow it Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> C of G

doing header tanks... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> VW True HP

ly they work quite well. Others with actual turbo experience are welcome to chime in... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> VW True HP

whether you're into VWs or not... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> C of G, empennage and main wheel position question

that I think about it, that describes my CG with the wings removed. With wings on it, there's still about 20 pounds on the tailwheel. Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> C of G, empennage and main wheel position question

56ml.com/wb/index.html for more on weight and balance, as well as an example... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Elevator?

resin. Just use glass to fix it again. I probably still don't really grasp the whole problem, but the links in the previous email should at least give you some insight as to what the structure looks like beneath your KR2's skin. Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Elevator?

along with some fabrication and integration photos and narrative.. That's what I'd do with that mess. Just get the Sawzall out and try not to hurt anything you're going to keep. I've found that a beer first helps ease the pain. You're welcome to perform this operation some other way and prove me wrong,

KR> vw 2kcc long block

at this point. Steve Bennett might be able to shed some light on this... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> vw 2kcc long block

t it is. To answer your question, yes it's been used on KRs before. Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Canopy Gluing- Epoxy

shear" rather than glass on only one side, eliminating a "tension only" kind of failure where the fiberglass can just peel away from the acrylic due to some wierd loading condition. I think that's just good common sense though... Mark Langford m...@n56ml.com website www.n56ml.com

KR> About to start a KR2S build

n.html for a few opinions on that. I need to rewrite some of that, but for the most part, it's still useful... Mark Langford m...@n56ml.com website www.n56ml.com

KR> Time Machine still ticking smoothly...

ty percent, not to mention I made it home three hours earlier than she did. I got another nice sunset picture Friday night. See the one at the top of http://www.n56ml.com/sunsets/ . It's "unreal" looking... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> fuel system fittings

probably 50 times over the years playing around and modifying that system. Barb fittings are not worth the pain... Mark Langford ML at N56ML.com website at http://www.N56ML.com

KR> Stalls

like increased wing area or flap improvements). Now that I have a little more flying experience in my plane, I wouldn't mind another acclerated stall or two in my plane, but I'd definitely leave everything that wasn't bolted down in the hangar this time around! Didn't mean to start a big "

KR> Mark's SportAir Link

bout making sure they were all correct until this weekend when I swapped it over. That one's been out of sight, out of mind, and I realized the link was wrong right after I sent it. Mark Langford m...@n56ml.com website www.n56ml.com

KR> Building wings

rtion. << I did exactly that, and ended up leaving it in place, since it became one wall for my fuel tank. Mark Langford m...@n56ml.com website www.n56ml.com

KR> Stalls

nd you'll understand. Now I have a very healthy respect for that flight regime, and I avoid the possibility at all costs. I guess that doesn't help you out with a video though Mark Langford ML "at" N56ML.com website www.n56ml.com

KR> website change, sunsets

at www.Godaddy.com, which is where I've had several of them for years now. I flew for maybe a half hour today (the days are way too short, and work is way too busy), and got two pretty decent sunset pictures. They're at the top of http://www.n56ml.com/sunsets/ ... Mark Langford ML at N56ML.com website

KR> Herbert Furle's KR2SL

For those who haven't seen it, check out German Herbert Furle's awesome KR2SL. If you think you're building to absolute perfection, you might not want to go there...he's got you beat! See http://n56ml.com/krnet/krs/hfurle/ . There are a lot of good ideas here... Mark Langford ML

KR> last night's sunset photo...

easy chair! And you need a nose for sunsets... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Fw: Diehl wing skins and KR for sale]

>From Brian Kraut... Subject: Diehl wing skins and KR for sale From: List-Post: krnet@list.krnet.org Date: Sat, November 27, 2010 10:26 am To: kr...@mylist.net Hi boys and girls. Hope you have all been doing good. I have a standard KR2 that I got in a great

KR> Outboard wing tanks

I built for my outer wing tank, except mine was 8 gallons, and extended 40" starting at about 8" from the stub (root) end of the outer wing. It'll work fine...go for it... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Sanding Vinyl Ester Layup - Or 'What is PVA'

(or will dissolve if exposed to water). Never heard of using it for sanding purposes, but if Lee says it works, it probably does... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> heat treating engine mount

welding 4130 at http://home.hiwaay.net/~langford/sportair/ ... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> dual stick

unting angles would be an easy way to adjust that out if it happened to you. It's not enough to make it worth my trouble though, so it's not a big deal... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> conventional gear weight distribution

rom the top down... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Corvair College #19

my father, all with the phrase of something like "we have an emergency locator signal from N56ML and are trying to contact Mark Langford". For the first time, I got a real tone of concern when she called me on my cell phone. She got a lot happier after I told her it was a false alarm, b

KR> fun flight last Sunday

o fly in to Corvair College #19 in Barnwell, SC Saturday morning. We'll see how it goes... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> RE>airfoil selection

as Steve Glover announced, NavAero isn't far from producing them... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Trim Tab

handle it. That doesn't really bother me, as I just hold back on the stick a little don't really even notice. So what I need is even MORE nose up trim capability, and getting the horizontal stab in the right place might solve that too. Nothing wrong with making it the size the plans call for th

WARNING: two infected sites, Re KR> I have something really wonderful for you! Skorczewski's Re KR>-no subject

That's the second of this type of message in the last day or two to hit KRnet. I've unsubscribed both guys temporarily until they get their PCs cleaned up... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> tailwheel question

vice would be to buy direct from them, rather than from Wicks or Aircraft Spruce. Aircraft Products is less expensive, and has much better bearings in their wheel, and with grease in it. See http://www.n56ml.com/kgear.html#tailwheel for more on that, and make sure you read the bearing part

KR> RE: KR FBW and other "stuff"

for > this Reply...in the Spirit of Experimentalism...)-Bob You're right, that certainly qualifies as your third strike. Don't bother to come back. I don't need your kind of problems here... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> list moderation...

to do with my time. Hopefully that's "enough said" for a while, but the usual scenario is that it'll only make a difference for 2-3 days, if that long... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> welding aluminum

please clean up your act or simply stop posting to the list. That goes for everybody else that really has nothing really to say. WHAT'S IT GOING TO TAKE TO GET THROUGH TO YOU PEOPLE??? Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> speeding down I-65

acing some scorched fiberglass down there...and now check the crankshaft, balancer, keyway, distributor gear, and most importantly, safety wire that bolt! I'm sending this out in self-defense, so I don't have to tell the story another hundred times later... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> OK I am comfused

ing kr...@mylist.net from the TO field and copying the originator's email into the TO field is a great idea... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Re:outboard wing tanks

ng back after a mid-journey fuel stop. Just because you've got a lot of fuel tank volume doesn't mean you have to keep those tanks filled all the time. I don't. I keep the outboard tank empty unless I know I'm going to need it. But when you need it for the "right mission", you'v

KR> more totally uncalled for trash talk on KRnet

es that's been floating around in my head for the last two days, but I have way too much to do today to waste such nice weather writing it right now. And I sent this to the whole list to put you ALL on notice that I'm sick and tired of the way you people treat each other... Mark Langford N56ML

KR> Exhaust headers

not that I've taken advantage of those either!). I hope y'all understand why I "slack" much of the time, and there's often a pretty good reason... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Fw: Cubbing

NetHeads, John Backer forwarded this to me. These pictures are awesome. This does it...I'm flying out West soon. Check it out... Subject: Fw: Cubbing Truly take the TIME to see all these wonderful photographs... from AZ to NY.. from a Piper Cub. Great views of America from the air.

KR> RE: Object lesson - God's Grace

veral people do that to the list, when it's so easy to send it directly to the guy you're talking to. 800 others probably don't care, or sent their own gratulations direct to the guy it's intended for. Of course this furthers my reputation as a complete jerk, but so be it... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Help Needed mixing Vinyl Ester

y give you his old ones with the needles removed if you asked him. Your mileage will probably vary, of course... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> kr control sensitivity

g , and used less than half of it. I also added another sunset photo from Wednesday night to the top of http://www.n56ml.com/sunsets/ ... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Fw: APIC License

and figure out why. Changing the phone system to actually record messages would be a step in the right direction also. Not replying to customers with legitmate issues is not a recipe for continued business success... Mark Langford - Original Message - Mark, a customer forwarded

KR> problem with Approach Systems / APIC software folks

money-making machine running...at buyers' expense! Perhaps if several of you forwarded this message to sa...@approach-systems.com , maybe they'd notice. I like the software, but I can't use it without a license key. Thanks... Mark Langford N56ML "at" hiwaay.net w

KR> first annual "Wicks Forum" experience

NetHeads, On Saturday, Larry Flesner and I flew up to Wicks Aircraft for their first annual Wicks Forum. It was well worth the auto fuel to meet Rod Hightower, among other things. See http://www.n56ml.com/wicks/ for a few details... Mark Langford n5...@hiwaay.net KR2S website at http

KR> aileron linkage

> I'll go one better, what about these? > > http://www.mcmaster.com/#rod-ends/=98sk3x Since the rod was aluminum, it might have been 1/4-28 threads, now that I think about it. Somebody's probably got a pair of these somewhere... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> aileron linkage

's locating the lightweight rod end bearings, but I'm sure they're available from somewhere... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> To Mark L about your Dual Stick set up

heir number 91083A039 , which you could also just enter into the "FIND" field. Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> stub wing gap seals

mistake I made...and now you know why I reduced my wing gap down to 1/16" recently, and it's currently covered with gaffer's tape... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Wicks aircraft "open house" day

is picture of Larry flying early this morning over Illinois. See http://www.n56ml.com/wicks/101009032sm.jpg ... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> cockpit heat

bon monoxide poisoning, you know there has to be a strong postive on the side of exhaust stove heating. Other than Jon's example, I think you'll be hard pressed to find many instances of the oil cooler being used for cabin heat, especially in colder climates. Mark Langford N56ML "at&

KR> Vinylester Fuel Tanks

nfident of its ethanol resistance. Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> another tank question

lid it into the wing. You can pick this picture apart if you want, but consider that vinylester under these conditions becomes completely unworkable after 6-8 minutes, and hard as a rock in fifteen. I hate the stuff, but it was designed to line ethanol-based auto fuel tanks at your local Zipp

KR> WAF spacers

d do something about a webpage detailing all of that stuff I did on my "summer vacation"... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> WAF spacers

e spacers do for you when you tighten down the bolts. You could simply put a pin in the hole and go flying, but tightening them down is better... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> WAF spacers

the WAF fittings together and breaking some wooden stuff. I did the single bolt and spacer thing when I revamped my wing tips, added the gas tank, and put my WAFs in double shear. I guess I should conjure up a picture to show the point... Mark Langford N56ML "at" hiwaay.net websi

KR> Lengthen Horizontal Stabilizer?

I did my Hoerner tips also... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> student pilots flying the phase-one flight testing...

ight tests on the aircraft, then find a qualified instructor to check you out in the aircraft after it has been tested. --- Like I said, check out http://www.eaa.org/experimenter/qa/default.asp for more interesting stuff that might shed some light on things... Mark Lang

KR> KR in October Sport Aviation?

in any form after that kind of abuse. Those pictures were shown back then in a link sent to KRnet. Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> KR2 ARTICLE-KITPLANES NOV 2010

flight in a Flitzer, which is part of the "Australia visit" webpage I did a few years ago when I was lucky enough to spend a few weeks there while on business. It's at http://www.n56ml.com/australia/ . There's a lot of aviation and KR stuff in there also... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Re: GPS verification of Airspeed

t of the aircraft's lines, of course. Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> GPS Verification

he two. I almost always come up with the same exact number, even when I do each method twice. But to answer your question, the guys with a Dynon would just tell you to look at the screen if you want wind direction and velocity... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Langford's cruise vs "Cleanex"

on from "standard". And then there's always three way GPS verification, assuming the plane is flown at an altitude that is equivalent to 7500' on a standard pressure and temperature day. If you have a manifold pressure gauge, it can also be helpful to determine when you engine is p

KR> New KR2S builder in KC

"every day you spend fooling around inventing new ways of doing things that are already done gets you one day closer to losing your medical". No pressure from me though...you're welcome to build what you want... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> pitot static port

perfect agreement between "corrected" indicated airspeed and GPS speeds. Oh, and I've also tested cockpit as ambient static port, and that's off quite a bit also. Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> antenna placement

off. My radio is a fairly inexpensive ICOM-A200. So don't lose any sleep over your antenna installation... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> KR1 - which airfoil to use

for the first time in several years, there are a lot of warnings regarding "untested" templates, which certainly isn't correct now, that I need to fix. They definitely work, and no nasty habits have been reported, as expected. Looks like the naysayers were wrong again... Mark Langford

KR> moving map and flight planning software

to be displayed is there, implemented as if I'd designed it myself. It ain't cheap, however. I got a little flying in this afternoon, and added another photo to the top of the sunset stuff at http://www.n56ml.com/sunsets/ . Tomorrow's slated to be another great flying day... Mark Langford N56ML

KR> dual stick assembly

drawings, but if you can't build it from the drawings that are there (which are also linked to printable pdf files), you probably shouldn't be building an airplane. Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Approach Systems APIC

ions would be welcome... Thanks, Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> 0200 rop in KR or similar aircraft

Phil Matheson wrote: > What do other 0200 KR's run for a prop please, and the RPM they run and > comments. There are several Continentals listed at http://www.krnet.org/kr-info.html Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Re: Transponder Installation

, and seatbelt cables running right between the legs of the dipole. Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> dumb KR stuff

0912275sm.jpg for a photo of previous charring damage and the "sun spot". The charred spot could easily have become a burning KR, but apparently I closed the canopy before it spontaneously combusted. This all points out why using aviation-certified construction materials would be a s

KR> Home brew Penetrationg oil.

omment on it... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Gathering return

is at the top of http://www.n56ml.com/sunsets/ . Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Weight and balance at the Gathering

t job done. If anybody that's driving has one of those it'd be good. Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Weight and balance at the Gathering

schedule is pretty full of forums already. Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> projector for the Gathering?

with a VGA connector on it. I'll be up Thursday. The goal would be before lunch, but I have such a long list of things I HAVE to do (like finish up and hastily install a new oil vapor separator) that it might be after lunch. Thanks, Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> sunset...

NetHeads, I snagged another decent sunset picture tonight. I also added a few from over the last few weeks, so you have to sift through the first eight pictures at http://www.n56ml.com/sunsets/ to find the four new ones. I think there's a keeper or two in there... Mark Langford N56ML

KR> keg

c cups, and we'll all be happy and leave a much smaller footprint on the airport trash situation... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> keg

Just my 2 cents worth is that a keg makes a lot of sense from a cost, trash, and mess standpoint. I brought one to several Gatherings back when I drove. I can't fit one in the plane though. I'd vote Amber Bock, personally... Mark Langford n5...@hiwaay.net website www.n56ml.com

KR> Re: oil cooler testing

nd of stuff I'm saying I plan to do in this effort. Perhaps I should have waited until I was completely done and presented the information, rather than throwing it out in the middle of the effort and giving the impression that I was stumped on how to deal with this. Mark Langford n5...@hiw

KR> oil cooler testing

g what I'm doing with the oil cooler upgrade at http://n56ml.com/corvair/oil_system/ , although there's a LOT more to do there. I'll see y'all at the Gathering... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

KR> Fwd: [eaa21] Fly-in breakfast Saturday

ooped up working on a proposal for several weeks, and am looking for something relaxing. A trip over Fort Campbell's restricted areas might just fit the bill! Maybe I'll see an RV or two there... Mark Langford N56ML "at" hiwaay.net website at http://www.N56ML.com

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