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Search: Posts Made By: koupster
Forum: RV General Discussion/News 12-02-2021, 06:01 PM
Replies: 2
Views: 338
Posted By koupster
RACHEL might be able to fix you up

She sells handcrafted jewelry to finance her BushCat homebuilding project, and does custom...
Forum: Flight Testing 11-21-2021, 07:25 PM
Replies: 30
Views: 3,499
Posted By koupster
AOA/Nose Position Question

Joe,

The above post infers that you aligned the depicted nose position with the chord line of the wing rather than the level airframe ( top of the longerons). Am wondering how you did this and what...
Forum: RV-4 10-20-2021, 10:36 PM
Replies: 21
Views: 3,080
Posted By koupster
Just to clarify this. An appropriately strong...

Just to clarify this. An appropriately strong threaded adapter must be used to jack at the tiedown points. It shouldn't be able to slip of the jack. I don't think the forged tiedown eyes are a good...
Forum: RV General Discussion/News 10-18-2021, 03:02 PM
Replies: 44
Views: 3,391
Posted By koupster
Warming tray

If you have to work in the cold, put your tools on one of these:
https://ovente.com/ovente-stainless-steel-electric-warming-tray-fw150s
You may be able to find one at a garage sale or thrift store.
Forum: Painting your RV 10-03-2021, 04:48 PM
Replies: 7
Views: 987
Posted By koupster
Had the same result with both the black and white...

Had the same result with both the black and white Tempo paint spray cans.
Have switched to Rustoleum Roll Bar and Chassis paint in satin black.
Been using the same can for a few years now.
Don't see...
Forum: Safety 09-22-2021, 05:12 PM
Replies: 36
Views: 2,870
Posted By koupster
Bifocal Sunglasses

https://www.amazon.com/gp/product/B00P1GHS4O/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
They have gradient lenses (darker on top).
Three pairs for $19.
Forum: ADS-B 09-11-2021, 09:19 PM
Replies: 10
Views: 873
Posted By koupster
BobRV4, I think it would help if we knew what...

BobRV4,

I think it would help if we knew what you are using for ADS-B out.
Forum: RV Ongoing Maintenance Issues 08-29-2021, 03:49 PM
Replies: 12
Views: 1,209
Posted By koupster
You can always buy them from Van's and be sure to...

You can always buy them from Van's and be sure to get the proper o-ring.
Forum: RV Ongoing Maintenance Issues 08-27-2021, 03:35 PM
Replies: 11
Views: 934
Posted By koupster
Yes; fuel lube gets sticky/tacky, and as it gets...

Yes; fuel lube gets sticky/tacky, and as it gets cooler, the resistance of the o-rings to sliding between the two cap halves goes up. This increases wear on the latch.

Krytox is a very light grease...
Forum: RV Ongoing Maintenance Issues 08-27-2021, 02:35 PM
Replies: 11
Views: 934
Posted By koupster
Sounds like requests to Van's or...

Sounds like requests to Van's or https://www.flyboyaccessories.com/Default.asp to purchase the latch and post in quantity and make them available would be in order.

In the meantime, here's some...
Forum: RV-8/8A 08-12-2021, 03:04 PM
Replies: 12
Views: 1,364
Posted By koupster
Yes, I think your wrist should be straight when...

Yes, I think your wrist should be straight when the controls are neutral. 20+ years in USAF fighters are behind this opinion.
Try holding the stick grip by itself while seated in the airplane. Close...
Forum: Glass Cockpit 08-06-2021, 08:51 PM
Replies: 4
Views: 545
Posted By koupster
Forum: Alternative Engines 08-06-2021, 12:19 PM
Replies: 44
Views: 4,794
Posted By koupster
Would you need a multi-engine rating?

My experience says yes. My Multiengine Land rating had a 'centerline thrust only' limitation for years. Pilots who take their multiengine practical test in a Cessna 337 will have a similar...
Forum: RV General Discussion/News 08-05-2021, 03:12 PM
Replies: 8
Views: 839
Posted By koupster
Cole, I use LPS 2 on the internal heim joints...

Cole,

I use LPS 2 on the internal heim joints (rod ends) because I can spray it on with the included spray tube, and am not worried about the oily film attracting dirt since these joints are inside...
Forum: RV General Discussion/News 07-29-2021, 11:56 AM
Replies: 18
Views: 3,143
Posted By koupster
Coolers and tent stakes

For several years, I bought a cheap Styrofoam cooler when I arrived at OSH after traveling by the airlines and a rental car. Had to buy ice every day and didn't feel good about leaving it in the...
Forum: RV Ongoing Maintenance Issues 07-22-2021, 12:10 PM
Replies: 9
Views: 1,140
Posted By koupster
John, My gascolator bowl was pretty sticky the...

John,

My gascolator bowl was pretty sticky the first time I removed it. It's been fine since then after being lubed.
Pushing in the quick drain to break the vacuum while you twist and wiggle the...
Forum: RV Ongoing Maintenance Issues 07-21-2021, 10:06 PM
Replies: 9
Views: 1,140
Posted By koupster
John, Just remember that any pressure you put...

John,

Just remember that any pressure you put into the gascolator also acts on the carburetor bowl and has the possibility of collapsing or otherwise damaging the float.

If you don't have Dow...
Forum: Midwest 06-22-2021, 06:12 PM
Replies: 9
Views: 1,658
Posted By koupster
Just short of SLC, you can head south over KTVY...

Just short of SLC, you can head south over KTVY before turning east to Provo if you wish to avoid the SLC Class B.
Forum: Traditional Aircraft Engines 06-16-2021, 08:12 PM
Replies: 63
Views: 6,356
Posted By koupster
Exactly. If the timing light or engine analyser...

Exactly. If the timing light or engine analyser with an inductive pickup on the #1 ignition lead, shows spark at 2400 RPM and no spark at 2500 RPM, you've probably isolated the problem to the EFII...
Forum: Traditional Aircraft Engines 06-16-2021, 05:04 PM
Replies: 63
Views: 6,356
Posted By koupster
Jesse, Since you've done the fuel injector...

Jesse,

Since you've done the fuel injector trouble-shooting, I'd suspect that you're losing spark on #1. If you have a timing light or engine analyser with an inductive pickup, you can clip it on a...
Forum: RV General Discussion/News 06-15-2021, 11:03 PM
Replies: 8
Views: 1,511
Posted By koupster
I put in another cable that attached to the...

I put in another cable that attached to the inside of the throttle arm. You're going to have at least two cables anyway. Had the cable fabricated locally with threads for a rod end on both ends....
Forum: RV-7/7A 06-14-2021, 05:17 PM
Replies: 24
Views: 3,118
Posted By koupster
David, I suspect your right brake may have...

David,

I suspect your right brake may have locked up because your right master cylinder did not fully retract. This will trap the fluid in the line, caliper, and master cylinder. When the fluid...
Forum: RV General Discussion/News 06-12-2021, 06:40 PM
Replies: 7
Views: 1,019
Posted By koupster
Easiest thing to do is put a second throttle...

Easiest thing to do is put a second throttle control on the left side for full dual controls. Pretty easy to do, and won't hurt resale. I can send pictures of my setup if you like. Bonus; it's a...
Forum: RV General Discussion/News 06-09-2021, 04:49 PM
Replies: 16
Views: 2,789
Posted By koupster
Daily motorcycle commute

Rod,

I would not recommend a daily motorcycle commute to Airventure. There's a good bit of time sitting in traffic both arriving and departing. Hard on the rider and hard on the motorcycle...
Forum: Traditional Aircraft Engines 05-22-2021, 10:53 PM
Replies: 44
Views: 5,624
Posted By koupster
"The original discussion was how much do others...

"The original discussion was how much do others lean on the ground. It morphed into idle mixture talks." Jereme

Yes, it did morph.

I pull the mixture on the ground until three fingers will fit...
Forum: Traditional Aircraft Engines 05-22-2021, 08:29 PM
Replies: 44
Views: 5,624
Posted By koupster
Jereme, Lycoming calls for the idle rpm...

Jereme,

Lycoming calls for the idle rpm adjustment to be done with the engine thoroughly warmed up. You might not have been thoroughly warmed up while on the ground before your first flight. I...
Forum: RV General Discussion/News 05-22-2021, 07:20 PM
Replies: 20
Views: 4,148
Posted By koupster
Andy, Looks like you passed the pic hosting...

Andy,

Looks like you passed the pic hosting challenge.

Nice performance! 160 KTAS at 7.2 GPH = 25.55 statute mpg at 184 mph.
Forum: RV Ongoing Maintenance Issues 05-20-2021, 01:33 PM
Replies: 14
Views: 1,563
Posted By koupster
Massive plugs

Maybe this will help.
https://www.aviationconsumer.com/maintenance/fine-wire-vs-massive-which-is-better/
Forum: RV-6/6A 05-19-2021, 04:33 PM
Replies: 5
Views: 1,026
Posted By koupster
Agree. The long soak may be accomplished by...

Agree. The long soak may be accomplished by draping towels saturated with soapy water over the canopy. After the soak, lift off the towels, and follow the advice in post #4.
Forum: RV-7/7A 05-15-2021, 06:16 PM
Replies: 25
Views: 3,917
Posted By koupster
Lifting tabs

Larry,

My RV-6A has a lifting tab on each side. They appear to be flat stock bent to 90 degrees rather than manufactured angle. They protrude about 3/4 inch and are long enough to put four fingers...
Forum: RV-6/6A 05-05-2021, 12:58 PM
Replies: 14
Views: 1,360
Posted By koupster
Sump Drains

Cole,

Thinking that you meant the sump drains rather than the sumps themselves.
Buy them from Van's; then there's no question which ones to order.
Fuel tank quickdrain CAV-110
Also consider buying...
Forum: RV General Discussion/News 05-04-2021, 09:36 PM
Replies: 9
Views: 2,074
Posted By koupster
Ryan, I've been to Clovis (Cannon AFB). 25...

Ryan,
I've been to Clovis (Cannon AFB). 25 degrees F gives a density altitude (DA) of over 3000'. A July day gives a DA of over 8300'.

Perhaps, you could check for best power while airborne at...
Forum: COMM 05-03-2021, 03:30 PM
Replies: 8
Views: 1,165
Posted By koupster
Consider a three position spring loaded fore/aft...

Consider a three position spring loaded fore/aft switch. Forward to transmit, back for intercom, and center off.
Forum: RV-7/7A 04-27-2021, 12:00 AM
Replies: 13
Views: 2,377
Posted By koupster
While you can simulate the reduced power by...

While you can simulate the reduced power by reducing the MP, that doesn't account for the increased ground speed needed to generate the IAS you need for takeoff. Given 7300' and 20 C (no wind),...
Forum: RV General Discussion/News 04-24-2021, 10:05 PM
Replies: 1
Views: 454
Posted By koupster
Trim Drag Question

Have been wondering about the different levels of trim drag with different approaches to the trim system. I'll list them in what I think are the drag levels from least to most. Please let me know...
Forum: RV Ongoing Maintenance Issues 04-23-2021, 04:40 PM
Replies: 5
Views: 532
Posted By koupster
Before (or after) the Cerakote starts to wear,...

Before (or after) the Cerakote starts to wear, you can put a piece of large diameter heat-shrink over the horizontal portion of the step. Mine is holding up nicely. No slipperier than paint, and easy...
Forum: RV-12/RV-12iS 04-19-2021, 10:45 PM
Replies: 12
Views: 3,063
Posted By koupster
Never occurred to me to paint the nose wheel fork

Kinda like ironing your underwear. ;)
Forum: RV General Discussion/News 04-13-2021, 06:49 PM
Replies: 7
Views: 2,004
Posted By koupster
Be careful

I have NX---- on my RV-6A. My operating limitations says that "EXPERIMENTAL" must be displayed; so I left the placard in place.
Forum: RV Building Tips/Techniques 04-04-2021, 01:36 PM
Replies: 14
Views: 1,482
Posted By koupster
I've shaped the tips of my hinge pins like a...

I've shaped the tips of my hinge pins like a rifle round. There's no sharp tip, and the profile helps the pin align itself as it's...
Forum: Glass Cockpit 03-30-2021, 07:19 PM
Replies: 15
Views: 1,690
Posted By koupster
GPS unavailability is not uncommon

That's why my RV has VOR/ILS and a VFR GPS.

I've had my GPS show zero groundspeed and no progress on the moving map on at least two occasions for 20 minutes or so. My phone, which was down between...
Forum: RV-6/6A 03-15-2021, 07:00 PM
Replies: 11
Views: 1,688
Posted By koupster
Cole, Here are the Van's quoted speeds for the...

Cole,

Here are the Van's quoted speeds for the RV-6A with 150 hp and a Hartzell 2 blade C/S at 8000 feet (solo weight):
55% power - 167 mph
75% power - 185 mph
Full throttle and 2700 rpm at 8000...
Forum: Electrical Systems 02-28-2021, 03:05 PM
Replies: 32
Views: 3,053
Posted By koupster
Ground Loops

Ground Loops https://en.wikipedia.org/wiki/Ground_loop_(electricity) occur when airframe mounted electrical devices don't have a common ground point. Sounds like these devices are all connected to...
Forum: Electrical Systems 02-26-2021, 07:17 PM
Replies: 32
Views: 3,053
Posted By koupster
6 Gauge

That wiring diagram that Paul vS sent shows 6 AWG feeding the main bus and also handling the alternator output. I think that would be appropriate for your ground wire.
Forum: Electrical Systems 02-26-2021, 07:08 PM
Replies: 32
Views: 3,053
Posted By koupster
You could total up all the airframe mounted...

You could total up all the airframe mounted electrical device loads and consult a wiring chart that takes into consideration the length of the wire involved, or you could match the wire that feeds...
Forum: Electrical Systems 02-26-2021, 06:40 PM
Replies: 32
Views: 3,053
Posted By koupster
The heavy wire should lead from the large post on...

The heavy wire should lead from the large post on the negative bus bar to the negative battery terminal. Sounds like the negative bus bar is adequately grounded to the subpanel.

2 gauge wire may be...
Forum: Electrical Systems 02-26-2021, 06:12 PM
Replies: 32
Views: 3,053
Posted By koupster
It appears from your post that the negative bus...

It appears from your post that the negative bus bar and the airframe have no dedicated ground path to the negative terminal of the battery. In this case, the airframe mounted electrical devices...
Forum: RV General Discussion/News 01-30-2021, 10:11 PM
Replies: 30
Views: 4,180
Posted By koupster
Psychic

Originally Posted by PilotjohnS
Nice post but i think you spelled psychic wrong.

I thought it was a nice play on words.
Chicks are psychic, or maybe psychick.

A psychic is a person who claims to...
Forum: RV General Discussion/News 01-30-2021, 05:29 PM
Replies: 8
Views: 950
Posted By koupster
I put heat shrink tubing on the horizontal...

I put heat shrink tubing on the horizontal portion of my painted steps. It's been working well. I choose black to match my wing walk color. It's probably not as slippery as paint when wet, but no...
Forum: RV Ongoing Maintenance Issues 01-24-2021, 02:50 PM
Replies: 18
Views: 2,888
Posted By koupster
Ring Gear Interference

Suggest that none of your new nutplates line up with the ring gear.
I had one screw that was always hard to remove; I had to replace it regularly.
Turns out that it was getting peened over by the...
Forum: Safety 01-21-2021, 12:51 PM
Replies: 54
Views: 9,357
Posted By koupster
Wheel pant axle bolt

I put Nordlocks on the wheel pant axle bolts last time around. I can lie on my side and safety wire the brake caliper bolts rather easily, the Hartzell prop bolts are a minor aggravation, but the...
Forum: RV General Discussion/News 01-19-2021, 04:24 PM
Replies: 6
Views: 1,479
Posted By koupster
De-boost

Since you choose to get the old gauge from Colorado, I recommend a deboost element in the plumbing. They are commonly used in the brake systems of air transport aircraft to de-boost the aircraft's...
Forum: RV-12/RV-12iS 12-26-2020, 08:57 PM
Replies: 32
Views: 6,190
Posted By koupster
If you decide to heat the caliper, consider...

If you decide to heat the caliper, consider removing the piston first so the O-ring doesn't get damaged by the heat. It's a good time to upgrade to a viton O-ring if you haven't already.
Forum: RV-8/8A 12-26-2020, 05:09 PM
Replies: 9
Views: 1,890
Posted By koupster
Kit for 1" Axle Nut Wrench TOOL AXLE WRENCH $8.00

Light enough to carry in the plane.

https://shop.vansaircraft.com/cgi-bin/shop.cgi?ident=1609023726-62-753&browse=tools&product=axle-wrench
Forum: RV-12/RV-12iS 12-26-2020, 04:54 PM
Replies: 32
Views: 6,190
Posted By koupster
MATCO BRAKE BLEEDER VALVE ASSEMBLY - MSCBBS(S)ASY

https://www.aircraftspruce.com/catalog/lgpages/matco06-02801.php?clickkey=266883

Cheers, David
RV-6A KBTF
Forum: RV Building Tips/Techniques 12-02-2020, 05:12 PM
Replies: 29
Views: 3,491
Posted By koupster
Want low tech?

Set the prop control at 2400 RPM while in flight and leave it there through landing and shutdown. Make a removable stop block to match the exposed control rod length behind the back of the knob....
Forum: RV-12/RV-12iS 11-17-2020, 03:48 PM
Replies: 16
Views: 3,589
Posted By koupster
September. Don't think I've stabbed myself on the...

September.
Don't think I've stabbed myself on the gascolator safety wire (elsewhere, the answer is different).
I use the single wire technique on the gascolator screws. three of the four stretches of...
Forum: RV Ongoing Maintenance Issues 11-08-2020, 06:22 PM
Replies: 24
Views: 3,147
Posted By koupster
Serrated bread knife

You need a longer blade than an extendable snap off knife.
The edge of a filet knife will dull against the oil filter center.
The serrated knife will cut the heavy paper well.

Cheers, David
RV-6A...
Forum: RV Ongoing Maintenance Issues 11-03-2020, 05:00 PM
Replies: 4
Views: 1,313
Posted By koupster
I shop at Van's when I can

It may not be convenient for you in BC, but shopping at Van's takes a lot of the guesswork out of which part you need. Spruce has dozens of cotter pins. Van's has 14, and the chart tells you what...
Forum: Traditional Aircraft Engines 10-27-2020, 06:58 PM
Replies: 9
Views: 4,567
Posted By koupster
Lycoming parts manuals are free online

One could easily answer these questions by reference to the parts manuals.

https://www.lycoming.com/sites/default/files/O-320-D3G%20Parts%20Catalog%20PC-203-D3G.pdf

Pages 26 & 27 in this...
Forum: RV-10 10-22-2020, 04:48 PM
Replies: 18
Views: 4,238
Posted By koupster
Is this a good time to ask which rudder trim...

Is this a good time to ask which rudder trim option produces the least amount of drag per "unit" of rudder trim?
The internal option is the obvious winner, buy what's in second place, the fixed tab...
Forum: RV-10 10-12-2020, 04:29 PM
Replies: 24
Views: 4,521
Posted By koupster
I placed my temp sensor in the triangular space...

I placed my temp sensor in the triangular space between the flap brace and the rear spar near the outboard end of the flap. It's shielded from radiant heat from the ramp and gets airflow from the...
Forum: RV General Discussion/News 10-09-2020, 06:11 PM
Replies: 2,000
Views: 624,960
Posted By koupster
Vlad, Been using one like...

Vlad,

Been using one like...
Forum: Flight Testing 09-28-2020, 06:51 PM
Replies: 4
Views: 1,721
Posted By koupster
Koch Chart

Just use a Koch chart in reverse. Rather than starting with density altitude, one inputs pressure altitude and temperature. The chart gives you takeoff and rate of climb adjustments. If the chart...
Forum: RV Ongoing Maintenance Issues 09-28-2020, 06:21 PM
Replies: 4
Views: 2,468
Posted By koupster
Lycoming calls the AN900 annular copper-asbestos...

Lycoming calls the AN900 annular copper-asbestos gasket used to seal the plug that secures the oil suction screen a "Gasket, annular". These gaskets are tightened a certain number of degrees after...
Showing results 1 to 64 of 249

 
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