KR> Seat Clearance

Yet another ripple when changing to a tri-gear configuration: The landing gear brackets and gear legs are bolted to the rear of the main spar. Now need more room to clear the aileron push rods at the gear brackets. So, rigged the push rods at the stick to be further aft. Everything looks

KR> Re: To Turbo or not to Turbo that is the Question

On the discussion thread there were several comments on proper mixture control being needed for turbo installations. If your carb has a mixture control, that is dirt simple to do with a mixture meter installation. More info can be found at http://14point7.com/SLC-Pure-Plus.php I will tell you

KR> Re: laser cutting panel

>After a nerve racked morning with a fly cutter I have determined that I am >probably not going the be able to cut the instrument holes. Another option >is a Greenlee punch but those are quite expensive unless someone has one to >loan. With all that said I am thinking that I want to mark up a

KR> Re: Fuel Flow Test

Thanks for the suggestions, both on-line and off-line, for verifying the fuel flow from a mechanical fuel pump. Gist of the responses was to provide a temporary alternate source of fuel for the engine to run full power; catch the pumped fuel from the regular system at the carb and measure the

KR> Fuel Flow Test

I need to verify the fuel flow rate on my KR-2. The VW 2180 would burn about 6 gallons per hour full throttle 3600 RPM, full rich, max climb rate at 14 degrees AOA. FAA says there must be a 50 percent safety factor. So, need to verify 9 gallon per hour fuel flow. I cannot just fly to see if

KR> Instrument Panel Wiring

Wiring the instrument panel on my KR-2 is almost done. The panel is a Rand factory unit with panel and forward deck as one single piece. The panel and forward deck is screwed in place and removable as need be for annual condition inspection and possible future mods. The GPS antenna is mounted

KR> Re:Ailerons

..can anyone tells me the average counterweight of a plansbuilt aileron balancearm for the new 16% airfoil wing? Thank's Herbert Fuerle -- My aileron counter weights are 2.8 pounds each, centered on a 5.5-inch moment arm measured from the forward side of

KR> Re: gear weight

Anyone know a weight for the DIEHL gear? So far my gear still looks to be coming in around 15 lbs each and I want to compare. Thanks Craig www.kr2seafury.com When I converted my plans-built KR-2 from retract conventional gear including spring bar,

KR> Re: Sanding Vinyl Ester Layup

What is PVA? In a message dated 11/23/2010 8:04:39 P.M. Pacific Standard Time, l...@vandyke5.com writes: Sorry PVA. I hate this iPhone sometimes On Nov 23, 2010, at 8:57 PM, Lee Van Dyke wrote: > If you know that you will have to sand V/E you can spray pcs on the >

KR> Re: Sanding Vinyl Ester Layup

I believe that I read somewhere that there is a product that can be added to the final layer of a Vinyl Ester Resin lay-up, that will make it easy to sand. Does anyone know what it is and where I can get it? Daniel R. Heath ++ Dan, On a single curve

KR> Re: Steel Brake Line Fitting ?

I just swapped out my nylon brake lines with steel automotive brake lines. I still need to use some nylon line to allow for the movement of the peddles. What fittings has everyone used to transition from the automotive lines to the nylon lines? I couldn't find it in the archive. Thanks,

KR> Instrument Panel Wiring

I have started wiring on my KR-2 instrument panel. I have had some experience on this sort of thing, but that was many years ago. Looking at all the schematics for all the gadgets and switches with wires running every which way was daunting to say the least. Truth be known, I found other

KR> Scratch Built: the hard way

If you think your KR building might be somewhat rude and crude, check out this video courtesy of EAA. http://www.eaaonline.org/link.cfm?tid=6828979143=yes=155611968=11038971=1136038=ExAA=http://www.eaa.org/news/2010/2010-10-13_scratchbuilt.asp Gotta give this guy an A for effort, but will it fly?

KR> Re:Vinyl Ester

>Yeah, I was in the Canard group for years CSA etc...I had a Leze >project >Here's an old post by Canard Epoxy Guru 'Gary Hunter', works for Shell Oil >in Epoxies>>> >All the suppliers claim their "structural resins" are suitable for fuel >containment. And, they are - IF - the builder knows

KR> Re: Stub Wings - Plywood Skin

The project that I have has plywood covered stub wings but I can find no mention of this in the plans. Was this ever considered an acceptable option? The answer to the above probably doesn't matter as I do not care for the quality of construction so am going to remove and reconstruct the stub

KR> Re: KRnet Digest, Vol 352, Issue 278

>...I cannot share my work with the net as I have no idea how to set up a >web page as others have done. I am not computer savvy. However, I do frequent others' sites and glean quite a bit there. Pat at patru...@myfairpoint.net *** Pat, Try this site

KR> Vinylester Fuel Tanks

Mark Langford wrote> ...With vinylester in a hundred degree hangar, things have to happen in a big hurry! ...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

KR> Re: Wing Tanks

At 08:37 PM 10/3/2010, you wrote: > Gonna also do a water leak test >before I put the top on the tank ++ a water leak will only show the worst possible leaks. Gas will pass through a pin hole that will hold water. Larry Flesner

KR> Re: Transponder Installation

Mark, Most transponders have a heat sink built into the rear of the case where the high power transmitter is located. The mounting bracket will have a small tube for attaching a small air duct to provide some cooling for the heat sink. The transmitter may be happier with a little cooling air

KR> Mixture Meter Presentation

If any one wants a copy of the Mixture Meter presentation from the 2010 KR Gathering forums, send me an email off net and I will send you a copy. Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA smw...@md.metrocast.net

KR> Re: Interval between the bolts of the hinges belong to

I used 6 inches nominal spacing, but changed some bolt locations so that the bolt heads on the hinge halves would not hit each other during full aileron down deflection. I used captive nut plates instead of stop nuts in the aileron spars so that the hinge halves would be easily removable; I

KR> Re: oil cooler testing

Mark, Perhaps using 2-inch SCAT, instead of 1.5-inch, would have less restriction to get more air flow to the cooler. Looks like you are dumping the oil cooler out flow into the engine compartment high on the fire wall. This is a relatively high air pressure location; the local air pressure at

KR> Re:Gathering Forums

The Mixture Meter presentation has been updated with new info from this past year including AirVenture 10. I will also have a digital mixture meter available for show & tell. The vendor estimates 100 to 500 hour life for their sensor using leaded fuel. As requested, I will bring a KR-2 main

KR> Re:Posa and Posa type situp

According to the US Government web site for copyrights http://www.copyright.gov/circs/circ1.pdf "A work that was created (fixed in tangible form for the first time) on or after January 1, 1978, is automatically protected from the moment of its creation and is ordinarily given a term enduring

KR> Re: UP-COMING KR GATHERING

Time is drawing near. Only 24 days till we all get to play in KR land. Mark Jones (N886MJ) ++ Some of you guys get to play while the rest of us get to watch. Millimeter by millimeter, day by day we're getting ever closer. Sid Wood Tri-gear KR-2 N6242

KR> Re: Tank, In the Tank?

From: "Dan Heath" Subject: KR> Tank, In the Tank? I think I have discovered an issue that must be resolved. I won't know for sure til I get the other wing opened up and try to fit the left tank into it. http://krbuilder.org/ConvertingToWingTanks/index.html Daniel R. Heath

KR> Re: lifting tail

>I am in the taxi phase of training myself to fly a KR2 stretch taildragger. >My taxi speeds are around 30 kts. No matter what position the stick is in >(forward or aft) the tail remains on the ground. I remember seeing some >folks at the fly-in turning their aircraft 180 degrees by full power

KR> KR Gathering Rooms

Country Inn & Suites, 859 228-0340, still have double bed rooms at the $65.00 rate as negotiated by Dana Overall, but are booking up fast. Yes, you must tell them you are reserving for the KR Gathering. Otherwise they will tell you they have no rooms available. Sid Wood Tri-gear KR-2 N6242

KR> Re: KR Gathering Forum

smwood <smw...@md.metrocast.net> wrote: I have further updates for the Mixture Meter forum from inputs obtained at AirVenture 10 and additional users. Will tell all at the Gathering. _ But what for those who will not be able t

KR> Re: KR fuselage finish?

>Do most builders glass the outside of the fuselage (wood bits) these >days? Cover the fuselage and wet lay-up areas with micro (epoxy with micro balloons). Be sure to clean off all your finger prints from the plywood for best adhesion. Clean the wax and finger prints from the fiberglass with

KR> KR Gathering Forum

I have further updates for the Mixture Meter forum from inputs obtained at AirVenture 10 and additional users. Will tell all at the Gathering. See you there. Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA smw...@md.metrocast.net

KR> Re: Oshkosh

Bernie Wunder and I will be at OSH all week arriving afternoon 7/24 by car. Can provide ground transportation if the need arises. Sleeping in a tent in Camp Schoeler. The Mixture Meter forum times are Tuesday 7/27 at 10:00 AM Shelter 17 and Thursday 7/29 08:30 AM at the former NASA building.

KR> Re: Trailering

Whatever you do, do NOT tie the airframe directly to the trailer. Use tire straps to hold the tires to the bed of the trailer. Let the tires and spring gear cushion the airframe just the way they were designed to do. For a approximately 700 pound aircraft use the lightest trailer you can

KR> Hinge Lubrication

What is the preferred lubricant for aileron piano hinges and RR elevator and rudder bolt hinges? How do you put it where it will do some good? Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA smw...@md.metrocast.net

KR> Re: don't give up.

I cleaned the spray gun and put it away for the last time: spray painting is done; SANDING IS DONE! Did I mention how much I hate sanding? I am sure there will be bits and pieces for touch up, but that will be a little brush or rattle can. Now it's bolting on the big pieces and see if it will

KR> Re:Smooth Prime

On May 8, 2010, I posted about my Smooth Prime disaster. Since then I found that heat will soften Smooth Prime and then it can be brushed off with two or three swipes from a wire brush. I used a propane torch applied for a half second, then brush while it's still hot. I suppose a heat gun

KR> Re: landing lights

I got the same 55 watt halogen driving lamp in the compact package as the 1400 series at Wal-Mart for $15.99 a pair. Sid Wood Tri-gear Kr-2 N6242 Mechanicsville, MD, USA smw...@md.metrocast.net - Hi Larry - looks like the R3255 landing light from

KR> Re: Rotisserie

Using the engine crank shaft as a pivot could do some damage due to no oil lube. So, that's a non-starter. What I am doing now is laying a towel over the cockpit side just like the car mechanics do to keep belt buckles and buttons from scratching the paint. Then use a firm foam pillow to lean

KR> Smooth Prime

Finishing a RR factory made cowl after making some mods and bumps and fitting to the firewall, I sanded off the glaze on the outside gel-coat, wiped all surfaces, inside and outside,with acetone and applied Smooth Prime. The Smooth Prime adhered to the gel-coat and the new fiberglass as

KR> Re: Rotisserie

Steve Bennett at Great Plains Aircraft advises: "I would rather you don't as you won't have the oil film to protect the bearings from the crankshaft as the weight will push the oil film out." So, I won't do that. I'll just have to figure out some other way to work in the interior of my KR-2

KR> Rotisserie

I just finished installing the plumbing for the fuel tank selector and boost pump in the cockpit. Getting the 3/8-inch tubing flaired and bent just so was definitely an education. The biggest problem was bending over the cockpit sides; I wonder if I have done some permanent damage to my back.

KR> Re: Backfiring at idle/slow speeds

A mixture meter will provide an immediate reading as to mixture being lean, rich or just right at any RPM, throttle setting, carburetor type, injected, ground or airborne, regardless of altitude, turbo boost or size engine. If you have a 4-cycle piston engine burning any octane gasoline, you

KR> Re: tubular wing tanks

Bill Clapp http://www.krnet.org/krs/wc/ used 4-inch PVC pipe, 2 each joined together at both ends running from the WAF to the end of the wing and same for the other side. Bill had removable wing tips for inspection. He had no fuel gauge senders in the PVC pipes, but a 13-gallon header tank at

KR> Re: Wheels

I have a spare wheel, tire and tube plus a pinch-cut tube that I could bring to the gathering if anyone cares for a show and tell demo on wheel assembly. Yeah, I cut a tube once upon a time. Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA smw...@md.metrocast.net

KR> Re: KR Pilot Near Michigan ???

Dave, Good on you. Put some air under the tires soonest! Now comes the irreverent part. I got to ask: What are you thinking? Adding a full six pack and digitals; plus NAV/COM & GPS for what purpose? Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA smw...@md.metrocast.net

KR> KR-2 Construction Progress

Most times progress is millimeter by millimeter, a step at a time. Today I completed the oil plumbing from my 2180 VW to the remote oil filter and remote oil cooler and back to the engine. The CompuFire ignition, Zenith 1821 carb and fuel system are installed. Theoretically I could start the

KR> Re: WHEEL SPATS

Eric, You could put baffles in front and behind the tire to brace the sides of the wheel fairing. The baffles will also keep accumulation of dirt, mud, sand and grass debris to a minimum in the front and rear of the fairing. Best of all reasons: The baffles will limit air circulation around

KR> Re: Bolt Corrosion

My apologies to the list. I forgot to delete the other emails on my reply yesterday. Sid Wood

KR> Bolt Corrosion

I had to drill more holes in my KR-2 fire wall. To get access I removed the engine. Each of the five AN6 engine mount bolts had light corrosion in the area where the bolt went through the lumber. The holes had epoxy cured before the bolts were inserted. The engine had been mounted for 30

KR> Re:Remote compass locations

Here is my Dynon remote compass installation. It is mounted with brass screws on a foam/fiberglass board three feet aft of the passenger seat. http://websites.expercraft.com/sidwood/images/146261686145738d44c2c08.jpg The compass has been bore sighted and leveled within 0.5 degrees. Sid Wood

KR> Epoxy Thinning

>Now a building question. I need to encapsulate the ash in epoxy, what is the right mixture for thinning epoxy so I can brush it on? As you can tell, it's been a while since I worked with wood:-) Dana Overall Dana, What works

KR> Re: Paint

I used Sherwin Williams Acrylic Latex house paint, three coats primer, three coats top coat semi-gloss, sanding between all coats and one coat clear gloss and polish. The ultra white in the top coat has been tinted extra white. It has a mirror shine, but the white just does not have any

KR> Re:Intake Manifold on Black Bird

Dan, Is this the intake manifold that you are looking for? http://websites.expercraft.com/sidwood/images/8620959324ab16f0f41a6f.jpg Steve Bennett at Great Plains Aircraft Supply will have the intake manifold for a VW installation. Go to http://www.greatplainsas.com/scdirectdrv.html and scroll

KR> Re: Oil Temperature Sensor

Sal, There is a plug on the left side of the VW 2180 engine into the oil pan. This is intended for the oil temperature probe. Ground is done through the pipe threads on the probe at the engine case. You can also get oil temperature info by tapping into the oil line if you have a remote oil

KR> Re: Member List

Mark, Thanks for the Heads Up. My info was way out of date. Now it's good to go. Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA smw...@md.metrocast.net -- Guys, For those who do not know about this list, here it is.

KR> Re: pressure results

Cooling air flow over/through the engine is indeed determined by the pressure differential at the engine. However, in the apples-to-apples comparison don't loose sight where that pressure differential comes from. There is the ram air due to the hurricane force winds hitting the front of the

KR> Re: Aluminum Wing Tanks in RAF 48 outboard wing

Dan, I made vinyl ester fuel tanks in the outer wing panels per the Dan Diehl plans. There were leaks where the top skin joins the outer rib. I was able to fix these by sucking on the fuel outlet with a vacuum cleaner while applying VE flox to the leaking locations.

KR> Re: Mixture Meter

Are the mixture meters the problem or the probe? How long will the meters last? and how long will the probes last? Thanks Larry H. -- Larry, The mixture meter is a solid-state panel-mounted unit and should work for several thousand hours. The probe screws into a

KR> Re: Gathering awards

In light of these concerns, and as host of the Gathering, the individual awards this year will be presented to the KR that scored the highest in each individual area and if one KR takes home all the awards, including "people's choice" and "greatest distance flown", then so be it. THEY WERE ALL

KR> Re:Wing Construction

Hi Mike, I'm responding to your post RE Wing construction. I built my wings per plans, but if I had to do it over, I would pressure test the wing fuel tanks prior to closing the underside of the wing. I had some leaks that I had to patch the hard way... by cutting open the wing and

KR> Re: CHT an effective instrument for leaning?

List-Post: krnet@list.krnet.org Date: Tue, 25 Aug 2009 17:17:36 -0400 From: "Dan Heath" Subject: KR> CHT an effective instrument for leaning? I would say no, but it can be an indication that you need to make an adjustment. Making the mixture more rich, will cool down the

KR> Re: Oshkosh

Just got back from OSH. Camped out on the grass. Hot showers were nice, but never used the new fangled flush toilets in my shower house. The porta-potty habit is still in place; no big deal. What was a big deal was to meet Willie all the way from South Africa. Willie said he sure wished he

KR> Re: Fuel Tanks

At 06:37 PM 7/10/2009, you wrote: >I am going to put my fuel in the wings. Larry Flesner says that I can get >10 gallons in each wing, which will give me my 20 gallons. I am going to >remove the header tank completely. Daniel R. Heath

KR> Re: Instrument panel thickness

JC Glue strips of lumber around the edges of the your panel in the same manner as the sidewall of the fuselage boat. Backup the backside of the panel at each instrument with thin aluminum angle set vertically with the instrument bolts through the instrument, plywood and aluminum angle. Make

KR> Re:Who's going to KOSH this year

I am driving and camping in the EAA campgrounds, arriving Sunday and leaving Friday morning. KR Forum is Monday 1:00 PM and Mixture Meter Forum is Thursday 8:30 AM. I can provide ground transportation for fliers. Let's do dinner. Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA

KR> Re: Plexiglas Spray Lat Removal

>23-year old Spray Lat will readily release from >Plexiglas with application of heat (guess about 200 degrees F). I was asked off-line what was the actual temperature for the hair dryer at the high setting that I was using. Plexiglas will start to deform at around 300 degrees F. Today I used

KR> Re: Highest time KR

>...Off the top of my head, I can think that wood rot (such as can affect >the >Bellanca wing) would be something to watch long term. Corrosion of the >WAF's and/or attachment bolts another. I've heard of separations at the >firewall, but that must be a construction issue (wasn't built right to

KR> Re: Anybody flying today?

> > Anybody flying today?? I'm am:-) > > Dana Overall I just came back from flying around the airport (2W6) in a rented C-150. Definitely not a KR-2 but it does recharge my mental batteries for a little while. Now it is back to drilling holes in my KR-2 firewall for fuel, electrical, cables,

KR> Re: Diehl wing skins info

Ray, When you do the dry fit and have the skin clamped in place exactly where it is supposed to be, drill a small hole in the skin at the edge of the spar at the inboard end and another at the outboard end of the spar. Put a rod through each hole and clamp the rods securely to the spar.

KR> Re: Back-up Battery

I used the Expbus II for my electric control panel. Price now is $299. This unit has toggle switches for Master, radio master and just about any other electrical control for avionics/radios, fuel pumps, lights, back-up battery, charging control, alternator cutout, automatic isolation and

KR> Re: tail draggers

I have made the nose gear conversion on my retract gear KR-2. Dan Diehl did sell the nose gear, but he was in negotiation with Brian Kraute http://www.engalt.com/ to sell the rights along with the wing skin design and molds. Check with Dan at http://www.diehlaero.com/landing.htm The Diehl

KR> Re: O2 Gauge

Dan The Westach 2C5-56 O2 gauge reads from 0.2 volts to 0.8 volts. This gauge will only work with a narrow-band O2 sensor operating with an electronic Engine Control Unit as found on most production automobiles. The voltage transition through the stochiometric 14.7 to 1 ratio is very fast;

KR> Re: Baffle 2180 VW Reverse Engine

I was asked for more pictures of my VW 2180 cooling duct arrangement, so here are a few more: http://websites.expercraft.com/sidwood/images/118551009549c7ba38161a2.jpg http://websites.expercraft.com/sidwood/images/168308160949c7ba381ed06.jpg

KR> Re: Baffle 2180 VW Reverse Engine

Henry, Here is what I am doing with ducted cooling. I am using the standard VW cooling shrouds ($23/set at a VW performance shop) with a slight modification to connect to my homebuilt fiberglass ducts. The standard VW cooling shrouds will fit any displacement Beetle engine manufactured from

KR> Cowl Fitting

Here are two pictures of my newly fitted cowl. The 4-inch holes are the main engine cooling by ducts to each bank. The ducts are ready, but not installed when the picture was taken. One 2-inch hole is for carb air; the other goes to the oil cooler and cabin heat. One 1-inch hole goes to the

KR> Re: Composite tube making

Paul, Here are two 4-inch fiberglass tubes I made using 4" PVC pipe as molds. I did not use any squeeze technique, just wet lay-up with West System. The tubes are just the right size for the SCAT ducting. These are now installed in the front of the cowl as part of the engine cooling ducts.

KR> Re: test slow night

Assuming you kept the same span and RAF48 airfoil, the hersey bar would add about 20 percent to the wing area all out at the tips. The initial rate of climb would go up about 20 percent; the top speed would decrease about 20 percent; the roll rate would slow by about 20 percent. The hersey bar

KR> Re: Gas Struts

The big end of the gas strut (spring) has to be up so the oil will be metered through a small internal orifice to get a smooth steady damped movement. The seals do not have any tendency to dry out. If you put the rod end upper-most, you will not get the damped action on extension, and then

KR> Re: Inspection

Peter, I have the Diehl main gear and nose gear. I am using a 52 x 52 prop on a VW 2180, Diehl case and Great Plains engine mount. Firewall bolt pattern and layout is per the RR plans. With the airframe level and 40 psi in the tires I have 9-inches clearance from the prop tip to the concrete

KR> Re: Inspection

Peter, Take care not to spill any fuel on the styrofoam; gasoline will dissolve styrofoam. Vinyl ester resin will also dissolve styrofoam. Epoxy is ok for styrofoam. Urethane foam is compatible with gasoline. If you are going to make composite fuel tanks, suggest you use urethane foam and

KR> Re: Progress

>Anybody been making progress on a KR lately? ... >Mark Langford, Huntsville, AL Tonight I cut four more holes in the front of my lower cowl half: a 2" hole for carb air, a 2" hole for oil cooler air, a 1" hole for gascolator airblast and a 1" hole just because I could and it makes the hole

KR> KR-2 Construction 11-30-08

Here is an update on my KR-2 construction. Getting the engine cooling inlet ducts built with inspiration and unabashed copying ideas from Mark Langford and Bill Clapp as witnessed at The Gathering 2008 plus adaptation for my 2180 VW.

KR> Re: reworking my old KR-2

John, However you cut into the old tanks and stick them back together, make sure there are no pockets left to gather water other than at the quick drain. You may want to change the dimensions of the tanks to limit fore and aft movement of the fuel so you don't get CG changes with pitch changes.

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