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Search: Posts Made By: DrillBit
Forum: Electrical Systems 03-20-2021, 10:10 PM
Replies: 61
Views: 6,196
Posted By DrillBit
Elementary! Obviously a flux capacitator...

Elementary! Obviously a flux capacitator controller for RV's. Future-proofed design too--I see up to RV24 on the board. :D

9530
Forum: Electrical Systems 03-20-2021, 01:52 AM
Replies: 16
Views: 4,521
Posted By DrillBit
Missing pictures restored in the attached pdf...

Missing pictures restored in the attached pdf (with reworked text to go with the pdf, page by page...). Click on the thumbnail at the bottom and the pdf should open or be downloaded or...
Forum: RV Building Tips/Techniques 03-16-2021, 12:26 AM
Replies: 8
Views: 564
Posted By DrillBit
Slider canopy clears GPS2020 puck

I put my Dynon GPS-2020 puck to the left of the slider track. The canopy's rear edge and frame easily clear it when opened. Clear view of the sky through the plexi in the open position, except for...
Forum: RV General Discussion/News 03-15-2021, 01:43 AM
Replies: 19
Views: 1,928
Posted By DrillBit
Time to put the big boy pants on...again.

Finally getting 'round to my second pair of wheel pants. My better half is relieved to know I'll have my pants on when I go flying.

(Why the second pair? The sorry tale is here...
Forum: RV Building Tips/Techniques 03-11-2021, 01:06 AM
Replies: 22
Views: 1,175
Posted By DrillBit
I have a hub on the subpanel and a hub on the...

I have a hub on the subpanel and a hub on the vertical member behind the center of the baggage bulkhead. The hub connects to the primary and secondary ADAHRS units, txpndr, and adsb units, the...
Forum: RV Building Tips/Techniques 01-15-2021, 11:51 PM
Replies: 21
Views: 4,208
Posted By DrillBit
Used this method since I found out on my very...

Used this method since I found out on my very first nutplate install that the threads don't necessarily align with the clearance hole if one of the rivets gets squozen more than few mrad off plumb....
Forum: RV Ongoing Maintenance Issues 11-25-2020, 12:27 AM
Replies: 2
Views: 545
Posted By DrillBit
Apparently this is mentioned in the plans. Silly...

Apparently this is mentioned in the plans. Silly me. :o
Forum: RV Ongoing Maintenance Issues 11-25-2020, 12:01 AM
Replies: 2
Views: 545
Posted By DrillBit
Canopy (slider) skirt chafing fuse skin

I don't recall reading about the slider's rear skirt fretting the fuselage skin in the plans or on the VAF fora. Did I miss an instruction/recommendation to apply anti-chafe tape beneath the...
Forum: RV General Discussion/News 11-24-2020, 09:03 PM
Replies: 3
Views: 755
Posted By DrillBit
You probably know this already, but just in case:...

You probably know this already, but just in case: Maybe Basic Med is another option? Can be PIC of almost any EAB aircraft.
Forum: RV General Discussion/News 11-22-2020, 11:01 PM
Replies: 12
Views: 2,351
Posted By DrillBit
First pax!

With 41.9 hours on the Hobbs, it was a beautiful day to go flying with No. 2 son, my go-to bucking partner. He posted this pic on something called "Insta-gram". Is that part of the electric...
Forum: RV General Discussion/News 11-13-2020, 11:51 PM
Replies: 25
Views: 4,308
Posted By DrillBit
The three legs in the OP's three posted EFIS pics...

The three legs in the OP's three posted EFIS pics works out to 151.7 KTAS, fairly close to the screens' reported TAS.
Forum: California 10-27-2020, 12:57 AM
Replies: 4
Views: 1,538
Posted By DrillBit
Web site for dive shop in Pleasanton:...

Web site for dive shop in Pleasanton: https://diventrips.com/

Filled my 14.7 cu ft O2 bottle for 75 cents per cu ft. Needed this CGA-870 to CGA-540 adapter from Mountain High Aviation Oxygen...
Forum: Safety 09-14-2020, 11:48 PM
Replies: 30
Views: 7,821
Posted By DrillBit
Heartfelt thanks!

Folks:

Thank you! Thank you all for your supportive words and constructive advice. I really do appreciate it. Means a lot.

There seem to be a lot of “Can’t find a -9/9A to buy, not even for...
Forum: Safety 09-12-2020, 06:34 PM
Replies: 30
Views: 7,821
Posted By DrillBit
The Damage...repairs in progress Once N748PK was...

The Damage...repairs in progress

Once N748PK was back in the hangar I removed all gear fairings, main and nose. No damage at all to the nose gear or its fairings. The main gear legs, their...
Forum: Safety 09-12-2020, 06:28 PM
Replies: 30
Views: 7,821
Posted By DrillBit
Neglect not thy rudder... (Part 3)

Complacency, surplus of. Why were potential consequences so far from conscious thought? I’d done plenty of short field take-offs during primary training. No big deal when the “short” field was...
Forum: Safety 09-12-2020, 06:25 PM
Replies: 30
Views: 7,821
Posted By DrillBit
Neglect not they rudder... (Part 2)

The Why

Had the incident turned out worse, the NTSB probable cause would undoubtedly cite the pilot’s failure to apply right rudder and maintain directional control during a full power short field...
Forum: Safety 09-12-2020, 06:23 PM
Replies: 30
Views: 7,821
Posted By DrillBit
Unhappy Neglect not thy rudder... (Part 1)

2393
(Click for larger image)

Neglect not thy rudder on take-off for lo the Laws of Physics shall smite thee full sore.

A week ago, Sunday, I let my RV-9A make an unintended left exit from runway...
Forum: RV General Discussion/News 08-30-2020, 11:36 PM
Replies: 26
Views: 5,621
Posted By DrillBit
Exactly what I do for a -9A slider. I find these...

Exactly what I do for a -9A slider. I find these torx button heads are the bees knees: https://www.mcmaster.com/93701A408
Forum: RV General Discussion/News 07-15-2020, 01:35 AM
Replies: 24
Views: 5,440
Posted By DrillBit
Orbital plane is not coincident with the...

Orbital plane is not coincident with the equatorial plane. If it were, the ISS would trace a straight line along the ground coincident with the equator. With the tilt, a sinusoidal path is traced...
Forum: RV General Discussion/News 07-12-2020, 11:50 PM
Replies: 1,841
Views: 520,312
Posted By DrillBit
Longest thread?

So, apropos of nothing, is this thread the longest in the VAF universe?
Forum: California 07-05-2020, 01:41 AM
Replies: 7
Views: 1,675
Posted By DrillBit
Regarding cylinder test dates...N748PK got a...

Regarding cylinder test dates...N748PK got a Mountain High system with a brand new aluminum 14.6 Cu ft bottle for Christmas last year, so I?m righteous with respect to the regs for the next 4.5 yrs. ...
Forum: California 07-05-2020, 01:28 AM
Replies: 7
Views: 1,675
Posted By DrillBit
I appreciate all the replies, guys. ...

I appreciate all the replies, guys. Thanks!

Turns out there?d a dive shop (Dive?N?Trips) < 5 min from my house in P-town that fills O2 bottles for 75 cents per cu ft. Unfortunately, they don?t...
Forum: California 07-01-2020, 02:18 PM
Replies: 7
Views: 1,675
Posted By DrillBit
O2 fill near KLVK?

Local Airgas stores don?t have the equipment to transfill an aviator?s O2 bottle. Neither does Five Rivers, the main FBO on the field. Anyone know where folks go to get altitude juice?
Forum: Safety 05-02-2020, 11:46 PM
Replies: 14
Views: 2,254
Posted By DrillBit
At least he didn't have to change his pants, like...

At least he didn't have to change his pants, like a human pilot....:rolleyes:
Forum: RV Ongoing Maintenance Issues 04-25-2020, 12:52 AM
Replies: 11
Views: 2,048
Posted By DrillBit
Another tip for near zero gas loss when changing...

Another tip for near zero gas loss when changing the drain on a less than empty tank: put a short rubber tune over the vent line sticking out the bottom of the fuselage and pinch off the other end...
Forum: RV General Discussion/News 04-24-2020, 11:57 PM
Replies: 14
Views: 1,407
Posted By DrillBit
So THAT's why I got the template bass-akwards on...

So THAT's why I got the template bass-akwards on my own bird! I took the "free ride" at the Mothership, and I didn't notice the the replacement "eyebrow" in the landing light cutout at the time.

It...
Forum: RV Building Tips/Techniques 02-25-2020, 12:28 AM
Replies: 24
Views: 3,104
Posted By DrillBit
Denatured alcohol is ethyl alcohol with about 5%...

Denatured alcohol is ethyl alcohol with about 5% (?) methyl alcohol added that makes it unsuitable for the cocktail hour.

No reason why a half pint of 195 proof pure grain wouldn?t work just as...
Forum: RV Building Tips/Techniques 02-23-2020, 11:23 PM
Replies: 24
Views: 3,104
Posted By DrillBit
Isopropyl alcohol. AKA rubbing alcohol....

Isopropyl alcohol.

AKA rubbing alcohol.

Denatured alcohol (in the paint thinner section of Lowe?s aviation dept.) probably works too.
Forum: RV General Discussion/News 12-17-2019, 07:49 PM
Replies: 9
Views: 1,109
Posted By DrillBit
Water softeners use an ion exchange resin that...

Water softeners use an ion exchange resin that starts out chock full of sodium ions, loosely bound to immobile negative charges on the backbone of the resin. As hard water percolates through,...
Forum: Electrical Systems 11-12-2019, 09:54 AM
Replies: 8
Views: 1,061
Posted By DrillBit
Thanks everybody for sharing your experiences. ...

Thanks everybody for sharing your experiences. Aeroleds is living up to their reputation--they reached out to me with a PM and I'll be getting an RMA for repair or replace shortly. I'll let the...
Forum: Electrical Systems 11-10-2019, 11:51 PM
Replies: 8
Views: 1,061
Posted By DrillBit
Angry Misbehaving Aeroleds Pulsar NS--any similar experiences

I have a malfunctioning Aeroleds Pulsar NS nav/strobe and wonder if anyone in the VAF world has seen like symptoms. I bought the lights 1.03 warranty lifetimes ago, but first flight didn?t happen...
Forum: RV General Discussion/News 09-22-2019, 11:13 PM
Replies: 14
Views: 2,197
Posted By DrillBit
Goodness! I thought this was a family forum!😜

Goodness! I thought this was a family forum!😜
Forum: RV-14 08-20-2019, 12:28 AM
Replies: 57
Views: 45,261
Posted By DrillBit
Absolutely...it takes an old children like me to...

Absolutely...it takes an old children like me to build aero-panes. 😜

Hope you hang in there working thru the stages of building grief. The time I carefully checked the z-bracket orientation on my...
Forum: RV General Discussion/News 07-16-2019, 12:58 AM
Replies: 13
Views: 2,201
Posted By DrillBit
I dunno, Vlad. The secret to having as much fun...

I dunno, Vlad. The secret to having as much fun as you with 666BK isn't letting her fly naked? :eek::D
Forum: RV General Discussion/News 07-16-2019, 12:47 AM
Replies: 9
Views: 1,685
Posted By DrillBit
The inboard elevator counterweights where a shade...

The inboard elevator counterweights where a shade too thick. Clearance to the horizontal stab was deemed too close for comfort. Had to cut into the fiberglass tips to get to nuts on the outboard...
Forum: RV General Discussion/News 07-16-2019, 12:31 AM
Replies: 9
Views: 1,685
Posted By DrillBit
It was intentional. Barry (EAA Chapter 663...

It was intentional. Barry (EAA Chapter 663 Flight Advisor and my additional pilot) prefers crow hops before going up to altitude. The recent EAA flight test book discourages crow hops unless the...
Forum: RV General Discussion/News 07-16-2019, 12:19 AM
Replies: 9
Views: 1,685
Posted By DrillBit
2 Jun 2019...it says in the OP's fuzzy...

2 Jun 2019...it says in the OP's fuzzy lo-resolution pic :(
Forum: RV General Discussion/News 07-16-2019, 12:17 AM
Replies: 9
Views: 1,685
Posted By DrillBit
Bigger picture?

Sorry for the lo-res in OP. Link is to http://www.mykitlog.com/khaller/, where uploaded pictures are ruthlessly downsampled.

Can try this, but Google Drive files are notoriously hard to...
Forum: RV General Discussion/News 07-15-2019, 11:57 PM
Replies: 9
Views: 1,685
Posted By DrillBit
Yes, "wheels up" was lift off. The AP...

Yes, "wheels up" was lift off. The AP (additional pilot) was flying and he apparently thought it would take a bit more that 65 kias to lift off.

He was also starting to wonder if it would ever...
Forum: RV General Discussion/News 07-15-2019, 12:25 AM
Replies: 13
Views: 2,201
Posted By DrillBit
Mandatory grin shot

http://www.kitlog.com/photos/project_641/full/FP14072019A0002Y.jpg
Forum: RV General Discussion/News 07-15-2019, 12:23 AM
Replies: 13
Views: 2,201
Posted By DrillBit
Talking N748PK first flight

Yup, it finally happened:

http://www.kitlog.com/photos/project_641/full/FP14072019A0002X.jpg

The photographic evidence isn't the highest quality, I'm afraid. Couldn't find a good...
Forum: RV General Discussion/News 07-15-2019, 12:12 AM
Replies: 9
Views: 1,685
Posted By DrillBit
Wink Not quite 30 seconds over Livermore

Well, this happened:

http://www.kitlog.com/photos/project_641/full/FP14072019A0002Z.jpg

More has happened since...film at 11.
Forum: RV General Discussion/News 07-03-2019, 01:32 PM
Replies: 20
Views: 1,883
Posted By DrillBit
Ya' know, the third square wheel should really be...

Ya' know, the third square wheel should really be in the back...
Forum: RV General Discussion/News 04-07-2019, 12:20 AM
Replies: 7
Views: 1,204
Posted By DrillBit
Ironflight is bereft of commentary re Kitplanes...

Ironflight is bereft of commentary re Kitplanes E-i-C's editorials, mayhaps?:D
Forum: RV General Discussion/News 01-22-2019, 12:20 AM
Replies: 18
Views: 3,329
Posted By DrillBit
Existence theorem: at least one DAR is OK with EAA FTM

The relevant passage from my program letter:

Initial flights will determine engine reliability and flight control characteristics, and generally follow the EAA Flight Test Manual, Ver. 1.0, as well...
Forum: RV General Discussion/News 01-21-2019, 11:47 PM
Replies: 11
Views: 2,317
Posted By DrillBit
748PK is a bodacious RV-9A aero-plane

:D

OK builders, it?s true. Do something on the project every day (in my case, days per thing is the practical unit of measurement) and eventually you really can?t think of anything else that needs...
Forum: RV General Discussion/News 01-21-2019, 02:07 PM
Replies: 23
Views: 3,446
Posted By DrillBit
My PCP had virtually the same distance eye-chart...

My PCP had virtually the same distance eye-chart and color-vision prints that the AME used for my first 3rd class. For near vision, he got a magazine from the waiting room and had me read the 3 pt...
Forum: RV General Discussion/News 01-19-2019, 11:17 AM
Replies: 23
Views: 3,446
Posted By DrillBit
Per the AOPA FAQ in a prior post, a supervising...

Per the AOPA FAQ in a prior post, a supervising physician’s NP can do the entire physical exam, but his or her John or Jeanette Hancock, MD, has to be on the paperwork.
Forum: RV General Discussion/News 12-31-2018, 02:52 AM
Replies: 1,841
Views: 520,312
Posted By DrillBit
Thanks for the warning. I can envision a number...

Thanks for the warning. I can envision a number of ways to reinforce the cross-cross without too much of a weight of penalty, when and if it comes to that. Worst case, Amanda gets another...
Forum: California 12-31-2018, 02:38 AM
Replies: 30
Views: 5,855
Posted By DrillBit
Yep...been paying ?possessory interest? on the...

Yep...been paying ?possessory interest? on the hangar from the get go.
Forum: RV General Discussion/News 12-29-2018, 09:41 PM
Replies: 1,841
Views: 520,312
Posted By DrillBit
That's where the rudder meets the sky?...

That's where the rudder meets the sky? :cool:

Just installed a pair of the rudder extensions in my RV-9A. Perfect fit, well-thought out design-for-install-ability. Thanks, Amanda & Steve!

Even...
Forum: California 12-29-2018, 09:21 PM
Replies: 30
Views: 5,855
Posted By DrillBit
Yes, Virginia, there is a Sanity Clause after...

Yes, Virginia, there is a Sanity Clause after all. Just received a letter from the Alameda County Assessor: ?Pursuant to your request?cancellation of the 2018-19 assessment has been initiated.?

One...
Forum: RV-12/RV-12iS 12-01-2018, 11:28 AM
Replies: 79
Views: 20,888
Posted By DrillBit
We had a guest engineer speaker in my high school...

We had a guest engineer speaker in my high school trig class (when dinosaurs roamed the Earth :rolleyes:) who claimed the Boeing 707?s number came from the sine (or cosine) of 45 degrees. Anyone...
Forum: RV General Discussion/News 11-17-2018, 10:48 AM
Replies: 12
Views: 2,501
Posted By DrillBit
Fine point: Hobbs meter is usually enabled by an...

Fine point: Hobbs meter is usually enabled by an oil pressure switch, isn’t it? Master on doesn’t by itself make the Hobbs accumulate time.
Forum: California 09-23-2018, 10:31 PM
Replies: 30
Views: 5,855
Posted By DrillBit
The on-going saga

Well...a second call to the assessor, with all relevant citations ready to quote, was not successful. If an appeal was filed, the assessor told me, THEN he would look up my citations and relevant...
Forum: RV-9/9A 09-23-2018, 10:13 PM
Replies: 20
Views: 5,686
Posted By DrillBit
Denouement

For the record:


Not unexpectedly, Vans Engineering pointed out the weak butt joint between the original wedge and new wedge.
Vans tech support encouraged: a) buying an surplus QB right flap; b)...
Forum: RV-9/9A 09-23-2018, 09:57 PM
Replies: 20
Views: 5,686
Posted By DrillBit
My engineering baptism (having entered industry...

My engineering baptism (having entered industry with an academic Pee Aitch Dee) was similar: "Fast, cheap, and good: pick two." The corollary is one is in fact constrained to optimize between the...
Forum: RV-9/9A 09-03-2018, 11:00 PM
Replies: 20
Views: 5,686
Posted By DrillBit
Already did that for the right aileron,...

Already did that for the right aileron, which—ahem—didn’t escape the ravages of the rogue tool chest either.

I appreciate the conservative advice—rebuild from all new parts, or just the top and...
Forum: RV-9/9A 09-01-2018, 10:53 PM
Replies: 20
Views: 5,686
Posted By DrillBit
Indeed, that's my second concern. The "vee"...

Indeed, that's my second concern.


The "vee" would be putting extra skin, top and bottom, in either side of discontinuity, with ~ 6 rivets to either side. If the "vee" would have to be several...
Forum: RV-9/9A 09-01-2018, 10:17 PM
Replies: 20
Views: 5,686
Posted By DrillBit
Match wits with Van's Engineering!

Woe is me, but might as well give the VAF brain trust's mechanical engineering neurons a tickle over the long weekend.

Due to a tear in the spacetime continuum, the trailing edge of my -9A's right...
Forum: RV General Discussion/News 08-24-2018, 12:22 AM
Replies: 18
Views: 2,878
Posted By DrillBit
I put my FOT in nearly the same location on my...

I put my FOT in nearly the same location on my RV-9A as Bruce.

But mine is a slider, so I'm not looking forward to the footwell yoga that will be needed to trace future ground issues when and if...
Forum: RV General Discussion/News 08-22-2018, 10:39 PM
Replies: 7
Views: 1,350
Posted By DrillBit
I remember a post (haven't tried to find it) that...

I remember a post (haven't tried to find it) that advocated 8-32 as the minimum size screw to use anywhere on a plane. Too easy to strip the head and/or torque off the head, the poster said.

I read...
Forum: California 08-08-2018, 11:54 PM
Replies: 30
Views: 5,855
Posted By DrillBit
CA tax code says aircraft are assessed once and...

CA tax code says aircraft are assessed once and only once a year, on Jan 1st. A kit aircraft that first flies on any other day in that year was a collection of parts looking more or less like an...
Forum: California 08-08-2018, 11:43 PM
Replies: 30
Views: 5,855
Posted By DrillBit
I've previously posted my sales/use tax story. I...

I've previously posted my sales/use tax story. I didn't pay as every untaxed order from Vans and several other out-of-CA vendors came in, but I didn't plunk down a few AMU's with my state tax return...
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