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Search: Posts Made By: David Z
Forum: Painting your RV Today, 12:34 PM
Replies: 5
Views: 297
Posted By David Z
Weight, Cost, Heat

Is dark paint heavier? More pigment, but I'm no expert, so might not be true

White paint is cheaper.

To go along with skin temperature, the fuel will be hotter and more prone to vapour lock.
Forum: Tools Today, 12:28 PM
Replies: 4
Views: 178
Posted By David Z
I made my own. It took a while to compile all the...

I made my own. It took a while to compile all the info from the AC43.13 and other sources, but works great.
Forum: Propellers Yesterday, 04:49 PM
Replies: 24
Views: 2,121
Posted By David Z
I understand "counterweighted" in this post to...

I understand "counterweighted" in this post to mean counterweighted prop blades for aerobatic operation.

Counterweighted (or dampened) crankshafts are a different thing altogether, yet also very...
Forum: RV-10 03-01-2021, 05:30 PM
Replies: 7
Views: 535
Posted By David Z
I have flown a couple floatplane that didn't have...

I have flown a couple floatplane that didn't have rudder pedals at all on the seat. Going one step further, one didn't even have a control yoke. The check-outs weren't all that exciting. Maybe they...
Forum: RV General Discussion/News 02-27-2021, 08:43 PM
Replies: 19
Views: 1,048
Posted By David Z
Operating Cost

The 9A will be less expensive to operate in most cases. The 9A approved engines range from 118 to 160hp. The 7A range from 150-200hp (215hp?). Horsepower takes fuel, and fuel is expensive. Also,...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 02-27-2021, 05:03 PM
Replies: 10
Views: 683
Posted By David Z
There's two types of pilots in this world....

There's two types of pilots in this world. There's those that will lose a fuel cap, and there's those that will loose another fuel cap. So far, I'm only at 1 fuel cap lost.

Has anybody added an...
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-27-2021, 11:40 AM
Replies: 10
Views: 1,764
Posted By David Z
The model number is A510-2K. The manufacture date...

The model number is A510-2K. The manufacture date is from 1997, so yes it is an older ignition switch. It was never installed or used. Sat in a box on a shelf, so it's clean and in great shape.
Forum: RV General Discussion/News 02-27-2021, 10:40 AM
Replies: 18
Views: 902
Posted By David Z
That's really quite unfortunate to hear. Canadian...

That's really quite unfortunate to hear. Canadian flight service wait on hold is a few minutes at most.
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-26-2021, 09:33 PM
Replies: 10
Views: 1,764
Posted By David Z
Keyed ignition switch is still available for...

Keyed ignition switch is still available for $80+shipping. Remainder is sold
Forum: RV General Discussion/News 02-26-2021, 08:28 PM
Replies: 18
Views: 902
Posted By David Z
Google

A number of years ago, one could use the T9 number for google (466453), and send a message for a METAR. I forget what format they wanted since I haven't used it in quite some time. Nowadays, I just...
Forum: RV General Discussion/News 02-26-2021, 07:47 AM
Replies: 13
Views: 1,407
Posted By David Z
Compensation vs Profit

Is there a way to distinguish between receiving compensation vs making a profit? For example, somebody wants to go for an airplane ride, so pays for gas. The owner isn't making a profit, but they are...
Forum: RV-8/8A 02-25-2021, 08:32 PM
Replies: 11
Views: 606
Posted By David Z
Catto

If I were wanting a fixed pitch prop, I wouldn't consider anything other than a Catto.
Forum: RV Building Tips/Techniques 02-25-2021, 08:25 PM
Replies: 13
Views: 2,423
Posted By David Z
I opted for 3M Fire Barrier 1000. It's ratings...

I opted for 3M Fire Barrier 1000. It's ratings and certifications are quite similar to Fire Barrier 2000+ and costs a significant amount less. Plus it's available locally, so no shipping cost.

Might...
Forum: RV General Discussion/News 02-25-2021, 08:10 PM
Replies: 29
Views: 2,023
Posted By David Z
Lots of -3s, 4s and 6s were built by first time...

Lots of -3s, 4s and 6s were built by first time builders. If they can do it, and 7, 8, 9 is certantly possible, and a 10, 14 and then the 12 being the easiest. I'm building an RV8 because it's the...
Forum: Propellers 02-24-2021, 08:43 PM
Replies: 24
Views: 2,121
Posted By David Z
Sounds like the 330 is designed to replace the...

Sounds like the 330 is designed to replace the HRT series? I've been eyeing up the 2 blade 72HRT with aerobatic counter-weighted blades. I don't see the 330 on their website yet. Any word on when...
Forum: RV General Discussion/News 02-24-2021, 04:43 PM
Replies: 26
Views: 974
Posted By David Z
I have an Excel spreadsheet doing the math for me...

I have an Excel spreadsheet doing the math for me on my paper logbook. Put the flights in Excel, write it in the log book. At the end of the page, Excel has all the totals done for me.

Makes it easy...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 02-22-2021, 08:12 AM
Replies: 38
Views: 3,306
Posted By David Z
We're expected to know imitations of the...

We're expected to know imitations of the aircraft. We're not expected to know limitarions of ATC.
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 02-21-2021, 09:41 PM
Replies: 38
Views: 3,306
Posted By David Z
In practice, sounds like the pilot isn't expected...

In practice, sounds like the pilot isn't expected to know. Therefore isn't liable.

Also, in practice, with 5000' before the intersecting runway, the brakes could be cut and you'd be able to kill the...
Forum: RV Building Tips/Techniques 02-21-2021, 09:20 PM
Replies: 13
Views: 2,423
Posted By David Z
How does 3M Fire Barrier 2000+ compare to 3M Fire...

How does 3M Fire Barrier 2000+ compare to 3M Fire Barrier 3000? Both are silicone based, have the same 4hr fire protection rating, smoke rating and sound rating. The only difference I can see is...
Forum: Propellers 02-21-2021, 07:30 AM
Replies: 34
Views: 3,194
Posted By David Z
Give this thread a read through. It's an...

Give this thread a read through. It's an overspeed event at near Vne. A bit extra money on an aerobatic style prop is good insurance.

https://vansairforce.net/community/showthread.php?t=35265
Forum: Propellers 02-20-2021, 07:19 PM
Replies: 34
Views: 3,194
Posted By David Z
Post 11 contains a lot of helpful information,...

Post 11 contains a lot of helpful information, although limited to one prop manufacturer.

MT is another option to explore. Not sure what offerings Hartzel has available for aerobatic operation...
Forum: Propellers 02-20-2021, 04:41 PM
Replies: 34
Views: 3,194
Posted By David Z
I was watching this thread hoping someone smarter...

I was watching this thread hoping someone smarter than I would chime in. Well that didn't happen, so here I am.

It really depends on how you define "light aerobatics". Any maneuvers that approach 0g...
Forum: RV Building Tips/Techniques 02-20-2021, 04:32 PM
Replies: 4
Views: 436
Posted By David Z
Somewhere I heard that different types of...

Somewhere I heard that different types of fasteners carry and transmit loads differently. I'd run it by Van's before substituting a screw or bolt where a rivet was supposed to go. If it were me, I'd...
Forum: RV Building Tips/Techniques 02-19-2021, 09:37 PM
Replies: 31
Views: 1,304
Posted By David Z
ACS Key switch

I'm trying to sell my Aircraft Spruce key switch for anyone interested.

https://vansairforce.net/community/showthread.php?t=192031
Forum: RV General Discussion/News 02-19-2021, 08:17 PM
Replies: 12
Views: 1,098
Posted By David Z
Buddy Interior Car heaters

I have seen and used these little heaters on a plethora of piston aircraft engines:

https://phillipsandtemro.com/solutions/specialty/cab-cargo-heaters/

When I flew Navajos, we'd put one in the...
Forum: RV Building Tips/Techniques 02-19-2021, 08:34 AM
Replies: 31
Views: 1,304
Posted By David Z
I've seen key switches so worn out that no key...

I've seen key switches so worn out that no key was even required. Grab the housing and twist. A bit difficult to start the engine as finger grip was limited to hold it in the 'Start' position.

My...
Forum: Safety 02-16-2021, 01:23 PM
Replies: 27
Views: 3,300
Posted By David Z
I've got a similar air filter hanging in my...

I've got a similar air filter hanging in my airplane factory.
Forum: Tools 02-15-2021, 08:37 PM
Replies: 15
Views: 725
Posted By David Z
I have multiple outlets before and after the...

I have multiple outlets before and after the oiler. A picture is attached of my setup. The compressor is at one end, and I ran air lines to opposite walls. Both setups are identical.

I also have 3...
Forum: Safety 02-14-2021, 08:09 PM
Replies: 27
Views: 3,300
Posted By David Z
An old boss of mine would soak a rag in MEK and...

An old boss of mine would soak a rag in MEK and start wiping stuff down. No gloves, nothing. I try and avoid using the stuff without a respirator.
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-13-2021, 08:37 PM
Replies: 16
Views: 2,592
Posted By David Z
An O-360 modified with fuel injection becomes an...

An O-360 modified with fuel injection becomes an IO-360. It's the part at the end that doesn't carry over. An O-360-A1A doesn't become an IO-360-A1A.

Case in point, the O-360-A__ is parallel valve...
Forum: Primers 02-13-2021, 04:41 PM
Replies: 9
Views: 1,075
Posted By David Z
15 cans at $25/can. That's still cheaper than...

15 cans at $25/can. That's still cheaper than 2-part epoxy primer.
Forum: Tools 02-13-2021, 04:39 PM
Replies: 11
Views: 409
Posted By David Z
I've got a $40 hardware store manual puller, and...

I've got a $40 hardware store manual puller, and then a $140 pneumatic puller for the tough CherryMax rivets that are infrequently needed.
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-13-2021, 04:30 PM
Replies: 16
Views: 2,592
Posted By David Z
An IO-360-A1A is not simply a fuel injected...

An IO-360-A1A is not simply a fuel injected O-360-A1A. When the prefix changes, IO vs O, the model designations at the end do as well. They don't carry over like one would expect. Lycoming did this...
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-13-2021, 10:15 AM
Replies: 10
Views: 1,764
Posted By David Z
Price drop on remaining items

Price drop on remaining items
Forum: RV General Discussion/News 02-13-2021, 07:24 AM
Replies: 7
Views: 1,093
Posted By David Z
DON'T USE POWER

Don't use power. The engine is the enemy and won't help one bit. There isn't enough power to pull the plane out of the mud. Using power only sucks dirt and debris from the soft ground into the...
Forum: Alternative Engines 02-12-2021, 06:55 AM
Replies: 52
Views: 3,440
Posted By David Z
Nuclear fusion is 30 years away (still). By 2050,...

Nuclear fusion is 30 years away (still). By 2050, we'll be charging our EV-x for 65 cents.
Forum: RV-8/8A 02-11-2021, 05:09 AM
Replies: 3
Views: 717
Posted By David Z
I just dealt with this because I bought a wing...

I just dealt with this because I bought a wing kit from around that vintage. Yes the change happened in 2001 with the introduction of the RV-7. Parts commonality between the 7 and 8 was the reason...
Forum: RV-8/8A 02-11-2021, 05:04 AM
Replies: 12
Views: 1,356
Posted By David Z
Seems like the perfect spot for pop rivet dimple...

Seems like the perfect spot for pop rivet dimple dies on an assembled airplane.
Forum: Electrical Systems 02-09-2021, 08:53 PM
Replies: 8
Views: 753
Posted By David Z
In all the work planes I have flown, they're full...

In all the work planes I have flown, they're full of ammeters (and voltmeters). One on each generator and battery, inverter and rectifier. Granted some of these have limitations set by the...
Forum: Alternative Engines 02-09-2021, 08:38 PM
Replies: 52
Views: 3,440
Posted By David Z
A significant portion of the electricity of...

A significant portion of the electricity of Canada and US Eastern seaboard comes from hydroelectric dams. A good chunk of it is nuclear too.
Forum: RV-10 02-09-2021, 08:27 PM
Replies: 43
Views: 4,222
Posted By David Z
Roll and yaw inertia in the wing tips was another...

Roll and yaw inertia in the wing tips was another reason I decided against wing tip tanks. Another consideration was bladder tank capacity. After 3-4 hours in any plane, I'm ready to stretch my legs...
Forum: RV-10 02-09-2021, 10:22 AM
Replies: 43
Views: 4,222
Posted By David Z
I considered making my own wing aux tanks. Large...

I considered making my own wing aux tanks. Large tube would fit through the lightening holes easily enough. Some angle, .032 or. 040 alclad sheets, rivets and proseal. The building part would be...
Forum: RV Building Tips/Techniques 02-09-2021, 10:12 AM
Replies: 4
Views: 408
Posted By David Z
Would a single flute non-piloted countersink also...

Would a single flute non-piloted countersink also be good? As I understand it, they're less prone to chatter. I've had a single flute one for ages, but been too scared to use it, so just grab a cage...
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-08-2021, 09:55 PM
Replies: 10
Views: 1,764
Posted By David Z
Antenna is sold. Key switch and attitude...

Antenna is sold. Key switch and attitude indicator still available.
Forum: Alternative Engines 02-07-2021, 10:14 PM
Replies: 45
Views: 3,150
Posted By David Z
A PT-6 would suck the RV10 fuel tanks dry pretty...

A PT-6 would suck the RV10 fuel tanks dry pretty quick. Powered way back and under 10,000', a small PT-6 probably burns 35 gph. They're made to run hard. Do that and you'd be going 300kts and rip the...
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-06-2021, 07:43 AM
Replies: 40
Views: 4,448
Posted By David Z
Gascolator

PM sent on gascolator. Also curious about the fuel vent
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-05-2021, 08:54 PM
Replies: 10
Views: 1,764
Posted By David Z
Misc Parts

Electric attitude indicator. In need of an overhaul, apparently the bearings are done. $100. SOLD

Aircraft Spruce ignition switch. Comes with a spare backing plate. Brand new, never used....
Forum: RV models of the future (RV-??) 02-05-2021, 07:20 PM
Replies: 652
Views: 237,619
Posted By David Z
Work the hopper into the fuel system, and you'd...

Work the hopper into the fuel system, and you'd have some absolutely ridiculous range and endurance. Assuming that's an 802 and 400lbs/hr fuel burn, that's about 17 hours! Heck it has more fuel than...
Forum: RV-8/8A 02-04-2021, 03:58 PM
Replies: 22
Views: 1,851
Posted By David Z
That's why I have 3 cleco pliers. After a few...

That's why I have 3 cleco pliers. After a few minutes of searching, I just grab another one. At the end of the day, when cleaning up they all seem to come back to the most obvious spot on the work...
Forum: Primers 02-03-2021, 08:48 PM
Replies: 8
Views: 943
Posted By David Z
In the empennage, I primed only mating surfaces....

In the empennage, I primed only mating surfaces. Wings and fuselage are getting a fancier treatment. Only time will tell if it's wasted of effort. The tail feathers were in decent storage for 10...
Forum: RV-8/8A 02-03-2021, 08:29 PM
Replies: 22
Views: 1,851
Posted By David Z
I suppose 4 weeks is possible, but it would take...

I suppose 4 weeks is possible, but it would take a lot of support and decisions made in the interest of time.
-multiple repeat offender
-order everything well in advance, so nothing is...
Forum: RV-14 02-03-2021, 08:19 PM
Replies: 21
Views: 1,727
Posted By David Z
Does the UV canopy come for models other than the...

Does the UV canopy come for models other than the RV14?
Forum: RV General Discussion/News 02-03-2021, 08:12 PM
Replies: 23
Views: 1,355
Posted By David Z
When bought the tail kit, I was hoping to be...

When bought the tail kit, I was hoping to be flying in 10 years. Here I am 10 years later only on the fuselage . The lesson was that life happens and the plane needed to take a back seat for a...
Forum: RV General Discussion/News 02-03-2021, 07:20 AM
Replies: 24
Views: 1,515
Posted By David Z
Not to derail the thread, but there's more ATPs...

Not to derail the thread, but there's more ATPs in the US than that. That's only 6800. Talking professional airline pilots, who need an ATP for work, there's probably 50,000 to 60,000+ current ATP...
Forum: Primers 02-02-2021, 07:51 AM
Replies: 9
Views: 1,075
Posted By David Z
Near the bottom of these forums, there's a...

Near the bottom of these forums, there's a section called The Never Ending Debate Section and in there is a subform titled Primers. That area contains a ton of information relating to what you...
Forum: RV General Discussion/News 01-31-2021, 07:55 PM
Replies: 137
Views: 33,368
Posted By David Z
Building/designing a twin is easy, bolt an engine...

Building/designing a twin is easy, bolt an engine on each wing. Designing/building a good twin is hard. Designing/building a great twin is nearly impossible. Difficult to the point that I'm not sure...
Forum: RV General Discussion/News 01-30-2021, 08:00 AM
Replies: 20
Views: 1,023
Posted By David Z
Must be Canada

I was warned very specifically by the Canadian MD-RA about data plate information. Sounds like it's a Canadian specific issue.
Forum: VAF Classifieds (posts in here deleted after 30 days) 01-29-2021, 09:03 PM
Replies: 2
Views: 462
Posted By David Z
Interested in the pump and filter. PM sent

Interested in the pump and filter. PM sent
Forum: RV General Discussion/News 01-29-2021, 08:54 PM
Replies: 7
Views: 826
Posted By David Z
That's certantly true. While I used to work 3-6...

That's certantly true. While I used to work 3-6 days per week, now I'm down to about 1 day of work per week. That's a lot more progress happening on the plane, which means ordering more stuff to keep...
Forum: RV General Discussion/News 01-29-2021, 08:50 PM
Replies: 9
Views: 552
Posted By David Z
Now you've got me excited! "The List" was great,...

Now you've got me excited! "The List" was great, difficult to search, but certantly useful. This sounds 100x better.
Forum: RV General Discussion/News 01-29-2021, 08:47 PM
Replies: 20
Views: 1,023
Posted By David Z
Minimal Info

Put as little info on the data plate as is legally required. For example, if the engine model is on the data plate, and an engine change becomes necessary, then you're stuck.

What if you sell the...
Forum: Canada 01-29-2021, 07:28 AM
Replies: 8
Views: 647
Posted By David Z
Thanks

That's great, thank-you.

All the recent talk of insurance rate increases has me worried about my project. The money that goes to insurance is money that doesn't go into avgas and building...
Forum: RV-10 01-28-2021, 09:25 PM
Replies: 22
Views: 2,201
Posted By David Z
Those brackets are great. I wish I thought of...

Those brackets are great. I wish I thought of that idea earlier. I drilled a bunch of holes in the wing ribs for wiring and pitot/AoA lines. Was a bad case of "do first and think later" type...
Forum: Tools 01-26-2021, 09:24 PM
Replies: 15
Views: 1,553
Posted By David Z
Parts Bins

I bought two of these and they keep all the rivets and a few other small tools.

https://i.ebayimg.com/images/g/2KUAAOSwN11bYS6B/s-l640.jpg
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