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Search: Posts Made By: Sam Buchanan
Forum: RV-12 Yesterday, 04:58 PM
Replies: 22
Views: 1,303
Posted By Sam Buchanan
still want to jump??

Someone posted that they are looking forward to flying with their 5-year-old son.........
Forum: Traditional Aircraft Engines Yesterday, 11:04 AM
Replies: 4
Views: 159
Posted By Sam Buchanan
Calibration is only necessary for the...

Calibration is only necessary for the traildraggers. You have a -7A so you should be able to rely on the current dipstick marks. However, be sure you have a mark for 6-qts because you will probably...
Forum: ADS-B Yesterday, 10:59 AM
Replies: 13
Views: 1,468
Posted By Sam Buchanan
Mike, I've never encountered any problems with...

Mike, I've never encountered any problems with turning on or shutting down my Stratux via a power switch. It is my understanding recent versions of the software use the card as read-only so it...
Forum: RV General Discussion/News 09-16-2018, 11:05 PM
Replies: 37
Views: 8,743
Posted By Sam Buchanan
If your RV can be controlled enough to slow it...

If your RV can be controlled enough to slow it down, then roll it on command to facilitate an easy exit, why would you want to jump out instead of flying it to a survivable landing?

A fire is the...
Forum: RV General Discussion/News 09-16-2018, 03:07 PM
Replies: 37
Views: 8,743
Posted By Sam Buchanan
A thought exercise....shoot a canopy and frame at...

A thought exercise....shoot a canopy and frame at the tail of your airplane with a velocity of 150+ mph and see if any catastrophic damage occurs..... ;)

But, maybe the canopy wouldn't hit the...
Forum: Safety 09-16-2018, 11:39 AM
Replies: 26
Views: 2,466
Posted By Sam Buchanan
I hate it when lint comes from the screens..........

I hate it when lint comes from the screens....... :D
Forum: RV General Discussion/News 09-16-2018, 11:32 AM
Replies: 37
Views: 8,743
Posted By Sam Buchanan
canopy jettison

Purely speculation...but I can't envision a likely scenario where serious damage to occupants and aircraft tail doesn't occur when a tip-up canopy is jettisoned....damage might be limited to the tail...
Forum: RV-8/8A 09-14-2018, 05:57 PM
Replies: 23
Views: 1,722
Posted By Sam Buchanan
I received one of the early units from Terry for...

I received one of the early units from Terry for evaluation and it is still flying on my RV-6.



And that pretty much sums up this entire discussion. :)
Forum: Glass Cockpit 09-12-2018, 09:11 PM
Replies: 11
Views: 511
Posted By Sam Buchanan
Works fine for the poly tubing if it is the same...

Works fine for the poly tubing if it is the same OD as the aluminum. Make your rubber splice hose about 3" long. After pushing everything together you won't be able to pull it apart. :)
Forum: Glass Cockpit 09-12-2018, 08:02 PM
Replies: 11
Views: 511
Posted By Sam Buchanan
It is probably 1/4" tubing. A solution that has...

It is probably 1/4" tubing. A solution that has worked for a couple of decades in my RV-6 is joining the two tubes together with a piece of 1/4" rubber hose. This is very low tech but works nicely....
Forum: RV General Discussion/News 09-10-2018, 10:54 AM
Replies: 15
Views: 921
Posted By Sam Buchanan
The very early RV-6's used a prop rod instead of...

The very early RV-6's used a prop rod instead of struts. You could remove the struts and resort to a prop rod.



A length of 3/8" fuel hose slit to allow it to be slipped over the strut rod...
Forum: RV General Discussion/News 09-09-2018, 06:17 PM
Replies: 11
Views: 716
Posted By Sam Buchanan
Jeff, that makes me feel old......... :)

Jeff, that makes me feel old......... :)
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-09-2018, 06:00 PM
Replies: 3
Views: 299
Posted By Sam Buchanan
If the proper tube isn't available you could use...

If the proper tube isn't available you could use a worm clamp to create anchors for the safety wire.
Forum: RV-7/7A 09-07-2018, 10:49 AM
Replies: 7
Views: 596
Posted By Sam Buchanan
The tail draggers often run less pressure than...

The tail draggers often run less pressure than the nose wheel RVs in order to manage gear shimmy. I ran 28 in my RV-6 tires for many years but now start at 35 and add air when they get down to about...
Forum: RV Building Tips/Techniques 09-07-2018, 07:36 AM
Replies: 9
Views: 741
Posted By Sam Buchanan
Don't unscrew the spring, just use your thumb to...

Don't unscrew the spring, just use your thumb to push the spring "tab" out of the way so the set can be pulled out of the gun and the new set inserted.
Forum: Safety 09-04-2018, 03:19 PM
Replies: 8
Views: 836
Posted By Sam Buchanan
I think a better summary would be "There have...

I think a better summary would be "There have been X number of crashes due to pilots not continuing to fly their RV after a canopy has opened".

Open canopies don't create an unflyable RV.
Forum: Safety 09-04-2018, 03:17 PM
Replies: 8
Views: 836
Posted By Sam Buchanan
This topic has been discussed in depth many times...

This topic has been discussed in depth many times over the years. The archives contain all these threads....the search engine (http://vansairforce.com/community/search.php) is your friend. ...
Forum: RV-12 09-04-2018, 08:12 AM
Replies: 23
Views: 1,995
Posted By Sam Buchanan
https://www.desser.com/prodcat/aircraft_tires_and_...

https://www.desser.com/prodcat/aircraft_tires_and_tubes.asp
Forum: RV-8/8A 09-03-2018, 08:02 PM
Replies: 13
Views: 559
Posted By Sam Buchanan
The pitch servo should work as well as the roll...

The pitch servo should work as well as the roll servo. Don't know if this is applicable to your RV-8 but here are photos of the servo in my...
Forum: RV Building Tips/Techniques 08-25-2018, 04:04 PM
Replies: 12
Views: 1,086
Posted By Sam Buchanan
If hole location is critical I drill a pilot hole...

If hole location is critical I drill a pilot hole using a conventional bit that is the same diameter as the smallest step on the uni-bit. This and a backing board as mentioned previously eliminates...
Forum: RV Ongoing Maintenance Issues 08-22-2018, 08:00 PM
Replies: 21
Views: 2,299
Posted By Sam Buchanan
The only lube I've used is an occasional swipe of...

The only lube I've used is an occasional swipe of avgas (or auto gas) on the big o-ring when filling the tanks. Having the caps adjusted properly is the other factor.
Forum: RV-10 08-19-2018, 02:50 PM
Replies: 32
Views: 3,649
Posted By Sam Buchanan
I've been meaning to add a horn to my RV-6 for...

I've been meaning to add a horn to my RV-6 for years. I'll have the cowling off this week for maintenance and the eb** order for a motorcycle horn has already been placed. Might even hang fuzzy dice...
Forum: West (and Southwest) 08-18-2018, 06:36 PM
Replies: 8
Views: 796
Posted By Sam Buchanan
The terrain east of Page going toward Monument...

The terrain east of Page going toward Monument Valley in places is some of the gnarliest stuff I've seen, nothing but Greyhound Bus-sized boulders. Depending on your comfort level you might consider...
Forum: RV Ongoing Maintenance Issues 08-17-2018, 09:28 AM
Replies: 25
Views: 4,900
Posted By Sam Buchanan
Mark, you (or anyone) may legally do any...

Mark, you (or anyone) may legally do any maintenance/additions/repairs on your RV that you wish and make logbook entries. The only time you need an A&P is for your condition inspection and he will...
Forum: Tools 08-14-2018, 07:24 PM
Replies: 28
Views: 3,377
Posted By Sam Buchanan
That's the device Doug referenced in his first...

That's the device Doug referenced in his first post.
Forum: Tools 08-14-2018, 06:47 PM
Replies: 28
Views: 3,377
Posted By Sam Buchanan
Yep. When the thread about the creeper lifty...

Yep.

When the thread about the creeper lifty thingy appeared several months ago, I like Doug, started thinking about how to build a shade-tree version out of materials in the scrap box. After a bit...
Forum: Traditional Aircraft Engines 08-10-2018, 07:10 AM
Replies: 23
Views: 2,122
Posted By Sam Buchanan
Earlier this year I had an identical event with...

Earlier this year I had an identical event with my carbed O-320. Temps were unseasonable high at mid-day after a lunch break, and there must have been winter-blend auto gas in the tanks. Fuel...
Forum: Engine Monitors 08-09-2018, 12:02 PM
Replies: 25
Views: 3,130
Posted By Sam Buchanan
We have it better than ever before

That is a curious statement to make as vendors in the experimental community are in the process of turning the certificated avionics market on its collective head. The migration of TruTrak, Trio and...
Forum: RV General Discussion/News 08-07-2018, 09:45 PM
Replies: 11
Views: 647
Posted By Sam Buchanan
If you have a big box home building supply store...

If you have a big box home building supply store nearby (Lowes, Home Depot in the USA) there is an excellent source of 1/4" plastic tubing and connectors in the plumbing department. The push-on...
Forum: RV Ongoing Maintenance Issues 08-05-2018, 07:43 PM
Replies: 31
Views: 35,631
Posted By Sam Buchanan
Why would your PC680 strand you? A fully charged...

Why would your PC680 strand you? A fully charged 680 will hold 90% of its charge for six months. If the battery is gradually losing capacity you should have enough warning signs (slower cranking) to...
Forum: RV General Discussion/News 08-04-2018, 05:47 AM
Replies: 5
Views: 489
Posted By Sam Buchanan
Mel's advise is as usual valid. I failed to...

Mel's advise is as usual valid. I failed to secure a static connection one time after messing with an autopilot. opening or closing a cabin vent would make the autopilot change altitude because it...
Forum: RV-8/8A 08-02-2018, 12:38 PM
Replies: 20
Views: 1,214
Posted By Sam Buchanan
I wonder how much longer your batteries would...

I wonder how much longer your batteries would have lasted without the constant trickle charging. :)

It isn't unusual for a regularly flown but non-trickle charged AGM battery to last 6-8 years.
Forum: RV-8/8A 08-01-2018, 11:06 AM
Replies: 20
Views: 1,214
Posted By Sam Buchanan
Take to heart the advice to not use a trickle...

Take to heart the advice to not use a trickle charger with the PC-680. Regardless of whatever chemistry is in play, there is solid field history of AGM batteries dying early due to trickle charging....
Forum: RV General Discussion/News 07-31-2018, 08:28 PM
Replies: 10
Views: 863
Posted By Sam Buchanan
It will just look like somebody put a belly...

It will just look like somebody put a belly antenna on the top of the poor airplane.... ;)
Forum: RV General Discussion/News 07-31-2018, 08:24 PM
Replies: 12
Views: 1,017
Posted By Sam Buchanan
Forget "Friday" (at least for this...

Forget "Friday" (at least for this week.....).

To do this job right you are going to need a new root rib for each tank.
Forum: RV Ongoing Maintenance Issues 07-30-2018, 11:29 AM
Replies: 1
Views: 382
Posted By Sam Buchanan
I've used a 1/4" tubing (nylon?) and press-on...

I've used a 1/4" tubing (nylon?) and press-on fittings for several pitot/static/AOA installations--easy-to-use, inexpensive, readily available and works like a charm. This tubing and fittings can be...
Forum: RV General Discussion/News 07-29-2018, 08:41 PM
Replies: 10
Views: 863
Posted By Sam Buchanan
I've been flying a "slightly bent" whip on the...

I've been flying a "slightly bent" whip on the rear turtle deck of my RV-6 since 1999 and it has worked very well. Not sure why one would want to use a real "bent" whip on top when the straighter...
Forum: RV General Discussion/News 07-20-2018, 02:32 PM
Replies: 5
Views: 1,643
Posted By Sam Buchanan
There will probably be a mass RV arrival for the...

There will probably be a mass RV arrival for the first four days......... ;)
Forum: RV-6/6A 07-19-2018, 07:11 AM
Replies: 9
Views: 986
Posted By Sam Buchanan
It would have to be an airframe swap, the wings...

It would have to be an airframe swap, the wings on the sixes are unique to each fuselage. Not practical.
Forum: RV-6/6A 07-19-2018, 07:07 AM
Replies: 9
Views: 986
Posted By Sam Buchanan
Two suggestions: 1) Either get more training so...

Two suggestions:

1) Either get more training so you can be "comfortable" with your RV-6

or

2) Sell the plane and buy one with a nose gear.

Converting the -6 to a -6A is a major job for an RV...
Forum: RV Building Tips/Techniques 07-14-2018, 12:12 PM
Replies: 5
Views: 856
Posted By Sam Buchanan
Just thread it into one of these....it'll...

Just thread it into one of these....it'll probably be ok........ ;)

http://www.aircraftspruce.com/cache/370-320-/catalog/graphics/a1776-4z-1d.jpg
Forum: RV General Discussion/News 07-13-2018, 08:09 PM
Replies: 20
Views: 2,357
Posted By Sam Buchanan
Hey Bill, fly that shiny bird up to CMD (Cullman)...

Hey Bill, fly that shiny bird up to CMD (Cullman) in the morning, some of us will probably be there for breakfast. There is also a breakfast at Guntersville.
Forum: APRS Tracking 07-09-2018, 06:04 PM
Replies: 15
Views: 1,204
Posted By Sam Buchanan
This entire discussion was prompted by post #1 of...

This entire discussion was prompted by post #1 of this thread. Read it and look at the beacons on Gary's flight. You will see what we are discussing. :)
Forum: APRS Tracking 07-09-2018, 07:01 AM
Replies: 15
Views: 1,204
Posted By Sam Buchanan
Thanks for the reply, Glen. I still understand...

Thanks for the reply, Glen. I still understand the situation to be one where only the website knows the location of the igate, not the tracker. So if heading to igate info appears on the website...
Forum: APRS Tracking 07-08-2018, 08:51 PM
Replies: 15
Views: 1,204
Posted By Sam Buchanan
Glen, not sure I fully follow your reply, but are...

Glen, not sure I fully follow your reply, but are you saying it was igates that were submitting the "bearing to igate" data to the web interface? I don't look at heading data on my beacons so don't...
Forum: RV Building Tips/Techniques 07-08-2018, 11:11 AM
Replies: 7
Views: 958
Posted By Sam Buchanan
Take a good look at your local big box building...

Take a good look at your local big box building supply store (Lowes, etc) to see if they carry plastic push-on fittings with NPT threads that will be compatible with your 1/4" poly tubing. Some folks...
Forum: APRS Tracking 07-08-2018, 07:16 AM
Replies: 15
Views: 1,204
Posted By Sam Buchanan
Gary, it seems to me this would have to be a...

Gary, it seems to me this would have to be a problem with the web interface. Your tracker and the G5 don't know the location of the iGate, only the web interface has that info. I would fly the...
Forum: RV-12 07-07-2018, 07:18 PM
Replies: 24
Views: 3,598
Posted By Sam Buchanan
The FAA flight tests for both fuels was...

The FAA flight tests for both fuels was discontinued a few weeks ago. OSH should be interesting..... ;)

https://www.faa.gov/about/initiatives/avgas/
Forum: Traditional Aircraft Engines 07-07-2018, 10:41 AM
Replies: 35
Views: 8,248
Posted By Sam Buchanan
The bottle of MMO that I have recommends 4oz per...

The bottle of MMO that I have recommends 4oz per 10gal of gas. Sounds like that is close to what you had in your tank.
Forum: Southeast 07-05-2018, 10:52 AM
Replies: 16
Views: 1,397
Posted By Sam Buchanan
Excellent compilation of TN and north AL events!...

Excellent compilation of TN and north AL events! Please strike DCU from the breakfast list so nobody will make a trip and leave hungry. However, breakfast and lunch is available at the cool little...
Forum: RV General Discussion/News 07-03-2018, 03:26 PM
Replies: 43
Views: 2,973
Posted By Sam Buchanan
Anything can fail but the failure mode is a very...

Anything can fail but the failure mode is a very simple one. The toggles and pushbutton on my RV-6 have been flawless since 1999 (hope I don't jinx them...) but a failed switch is easily diagnosed...
Forum: RV General Discussion/News 06-25-2018, 09:22 PM
Replies: 43
Views: 2,973
Posted By Sam Buchanan
Toss that flakey switch and install a couple of...

Toss that flakey switch and install a couple of toggles and a pushbutton. :)
Forum: Traditional Aircraft Engines 06-25-2018, 11:15 AM
Replies: 16
Views: 2,321
Posted By Sam Buchanan
What many of us have done is abandon the "attach...

What many of us have done is abandon the "attach to the engine mount" method. Instead, all the exhaust supports (still with isolating rubber hoses) are attached to the engine, usually a couple of...
Forum: Safety 06-24-2018, 07:17 PM
Replies: 11
Views: 2,325
Posted By Sam Buchanan
First...glad to see your tanks aren't sloshed,...

First...glad to see your tanks aren't sloshed, that is going to prevent you from enduring a major hassle.

The only possibilities I can think of:

1) The tank had a small amount of slosh at some...
Forum: Traditional Aircraft Engines 06-24-2018, 04:09 PM
Replies: 7
Views: 841
Posted By Sam Buchanan
I suspect the screen and o-ring I linked will...

I suspect the screen and o-ring I linked will work regardless of the vintage of your gascolator (if you decide to keep it). The machined head of each of these appear to be quite similar.
Forum: Safety 06-24-2018, 04:04 PM
Replies: 10
Views: 4,264
Posted By Sam Buchanan
N19MM; RV-7A

N19MM; RV-7A
Forum: Traditional Aircraft Engines 06-24-2018, 01:16 PM
Replies: 16
Views: 2,321
Posted By Sam Buchanan
I've done it with pieces of soft, rounded-edge...

I've done it with pieces of soft, rounded-edge wood in the vice but when I needed to make several of these swages on a different project I made some dies out of aluminum angle. I'll see if I have a...
Forum: Safety 06-24-2018, 12:05 PM
Replies: 10
Views: 4,264
Posted By Sam Buchanan
Alexander City, AL accident

Does anyone know whether or not an RV was involved in an accident Sunday morning in Alexander City, AL? The Twitter photos look like the aircraft might have been an...
Forum: Traditional Aircraft Engines 06-24-2018, 11:55 AM
Replies: 16
Views: 2,321
Posted By Sam Buchanan
A couple of items I've learned after nearly...

A couple of items I've learned after nearly twenty years of fiddlin' with exhaust hangers on the RV-6:

1) If you use steel tubing, the flattened end should be made with a gradual swage, not an...
Forum: Traditional Aircraft Engines 06-23-2018, 10:01 PM
Replies: 7
Views: 841
Posted By Sam Buchanan
It does look like an Usher. Here are the o-rings...

It does look like an Usher. Here are the o-rings and screens:

http://www.aircraftspruce.com/pages/ep/gascolators/usher.php

http://www.aircraftspruce.com/cache/370-320-/catalog/graphics/05-00632.jpg
Forum: Traditional Aircraft Engines 06-23-2018, 07:38 PM
Replies: 16
Views: 2,321
Posted By Sam Buchanan
RVers have been repairing exhaust hangars...

RVers have been repairing exhaust hangars since....there were RV exhaust hangars. :)

Go to your local auto parts store and pick up a length of 3/8" steel brake line. A piece a couple of feet long...
Forum: RV General Discussion/News 06-23-2018, 09:38 AM
Replies: 49
Views: 22,085
Posted By Sam Buchanan
I installed a set of these struts on my RV-6 last...

I installed a set of these struts on my RV-6 last week. They work fine.
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