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Search: Posts Made By: Piper J3
Forum: RV-12/RV-12iS 01-22-2020, 08:08 AM
Replies: 13
Views: 562
Posted By Piper J3
Airspeed should show "0" until fixed threshold is...

Airspeed should show "0" until fixed threshold is met (I think 25 knots or so) and then airspeed becomes active.

Ammeter on D-180 fluctuates - normal for this unit.
Forum: RV-12/RV-12iS 01-20-2020, 08:55 PM
Replies: 8
Views: 901
Posted By Piper J3
You might want to use a borescope to make sure no...

You might want to use a borescope to make sure no broken parts of the spark plug fell into the cylinder...
Forum: RV-12/RV-12iS 01-19-2020, 09:22 PM
Replies: 5
Views: 627
Posted By Piper J3
I have just enough clearance to mount mini iPad...

I have just enough clearance to mount mini iPad with thin 3M Body Side Molding Tape at top of radio stack. Canopy bow covers top portion of iPad but doesn't hinder full view of...
Forum: RV-12/RV-12iS 01-18-2020, 09:29 PM
Replies: 62
Views: 5,082
Posted By Piper J3
Very often circuit boards will be dipped in a...

Very often circuit boards will be dipped in a clear conformal coating that is cured with UV light to seal the components from moisture. Perhaps that is what you're seeing.
Forum: RV-12/RV-12iS 01-17-2020, 01:51 AM
Replies: 9
Views: 905
Posted By Piper J3
Tony - Excellent follow-up...

Tony -

Excellent follow-up...
Forum: RV-12/RV-12iS 01-16-2020, 04:00 PM
Replies: 13
Views: 804
Posted By Piper J3
I have early SN RV-12 120058 now with 522TT. ...

I have early SN RV-12 120058 now with 522TT. Airplane is flown off of rough grass runway and most often in pretty good summer convection. I have hit my head twice on the canopy with shoulder straps...
Forum: RV-12/RV-12iS 01-15-2020, 10:20 AM
Replies: 6
Views: 745
Posted By Piper J3
I can see potential for a lot of...

I can see potential for a lot of customizing.

Maybe when I fly with the granddaughters I can install the Mary Poppins Umbrella Throttle...
Forum: RV-12/RV-12iS 01-15-2020, 06:44 AM
Replies: 48
Views: 4,384
Posted By Piper J3
You want to be able to control and steer the...

You want to be able to control and steer the plane as it retracts into the hanger. Airplane should follow centerline of the door opening, and if close on the sides, perhaps put a marked line on the...
Forum: RV-12/RV-12iS 01-14-2020, 02:46 PM
Replies: 34
Views: 2,715
Posted By Piper J3
Low battery voltage does increase amp draw so I...

Low battery voltage does increase amp draw so I guess fuses can blow. Low battery voltage will also cause slow engine cranking and kickback with the old CD ignition without spark retard... that's...
Forum: RV-12/RV-12iS 01-14-2020, 01:53 PM
Replies: 8
Views: 901
Posted By Piper J3
You will want to use a screw extractor called...

You will want to use a screw extractor called EZ-Out. It turns CCW and self-tightens to grasp the broken threaded barrel. You will need to measure and purchase correct size taper to fit. eBay,...
Forum: RV-12/RV-12iS 01-14-2020, 01:45 PM
Replies: 34
Views: 2,715
Posted By Piper J3
Excellent. My Before Takeoff Checklist has line...

Excellent. My Before Takeoff Checklist has line item for electric fuel pump and a second line item for electric pump + mechanical pump. In addition to listening for the electric fuel pump I put my...
Forum: RV-12/RV-12iS 01-14-2020, 04:17 AM
Replies: 34
Views: 2,715
Posted By Piper J3
What is the logic behind that? I don’t...

What is the logic behind that? I don’t understand why so many folks circumvent the electric fuel pump. Van’s has stated the need for running the electric pump in continuous mode as a safety...
Forum: RV-12/RV-12iS 01-12-2020, 06:35 PM
Replies: 48
Views: 4,384
Posted By Piper J3
The nose wheel has fixed stops to limit...

The nose wheel has fixed stops to limit rotational travel so wheel points forward within about 150 degree arc. When airplane is pushed backward the nose wheel wants to rotate against the stop. ...
Forum: RV-12/RV-12iS 01-12-2020, 06:18 PM
Replies: 48
Views: 4,384
Posted By Piper J3
The HF hoist has an emergency shutoff. The wire...

The HF hoist has an emergency shutoff. The wire rope is guided through a switch arm that activates when the rope is fully wound up on the spool. I have tested it and it works fine. The RV-12 only...
Forum: RV-12/RV-12iS 01-12-2020, 02:04 PM
Replies: 48
Views: 4,384
Posted By Piper J3
Harbor Freight Electric Hoist used as a winch... ...

Harbor Freight Electric Hoist used as a winch... https://www.harborfreight.com/440-lb-electric-hoist-with-remote-control-60346.html

I installed this 15 years ago for use with my J3-Cub and now...
Forum: RV-12/RV-12iS 01-12-2020, 01:36 AM
Replies: 34
Views: 2,715
Posted By Piper J3
Autozone Auto Parts stores will test a battery...

Autozone Auto Parts stores will test a battery under heavy load. This is a measure of internal resisitance and the battery's ability to deliver rated amperage.
Forum: RV-12/RV-12iS 01-11-2020, 10:52 AM
Replies: 34
Views: 2,715
Posted By Piper J3
Also, much of the heavy stuff was put as far back...

Also, much of the heavy stuff was put as far back as possible - behind the rear baggage bulkhead where it is difficult to access for maintenance. Makes sense that light battery was substitued up...
Forum: RV General Discussion/News 01-10-2020, 10:10 AM
Replies: 34
Views: 4,388
Posted By Piper J3
My RV-12 is sitting nice and cozy in the hanger...

My RV-12 is sitting nice and cozy in the hanger waiting for spring. Grass strip I fly off of stays soft until mid-April.

I go out to the airplane once in a while and she and I talk about flights...
Forum: RV-12/RV-12iS 01-10-2020, 09:50 AM
Replies: 34
Views: 2,715
Posted By Piper J3
I wouldn't assume anything about a printed date...

I wouldn't assume anything about a printed date code. Manufacturers often use internal code reference which consumer is not privy too.
Forum: RV-12/RV-12iS 01-10-2020, 06:39 AM
Replies: 34
Views: 2,715
Posted By Piper J3
This may not be the case. Legacy RV-12 is...

This may not be the case. Legacy RV-12 is tightly cowled and 12iS cowling has louvers for added ventilation. Biggest concern might be on the ground when powered off. Legacy retains heat without...
Forum: RV-12/RV-12iS 01-09-2020, 02:21 PM
Replies: 180
Views: 29,710
Posted By Piper J3
Here we go again with usual questions… • What...

Here we go again with usual questions…

• What floats do you have?
• Do you know PN?
• Do your floats have brass sleeve full height of float?
• Have you weighed your floats?
• What makes you think...
Forum: RV-12/RV-12iS 01-08-2020, 09:58 AM
Replies: 297
Views: 66,977
Posted By Piper J3
SB 12-11-09 - Center Section Modification I...

SB 12-11-09 - Center Section Modification

I bought my RV-12 early SN (120058) from the original builder with 48TT knowing that SB for Center Section and Fuel Tank were not completed. I flew for a...
Forum: RV-12/RV-12iS 01-08-2020, 09:26 AM
Replies: 1
Views: 380
Posted By Piper J3
Probably best to contact seller directly. Who...

Probably best to contact seller directly. Who knows...
Forum: RV-12/RV-12iS 01-05-2020, 12:55 PM
Replies: 14
Views: 1,379
Posted By Piper J3
In total agreement with post #10 above...

In total agreement with post #10 above...
Forum: RV-12/RV-12iS 01-04-2020, 08:47 AM
Replies: 14
Views: 1,379
Posted By Piper J3
I would guess heavier engine so builder...

I would guess heavier engine so builder arbitrarily increased GW to allow a useful load – not a good idea. Original designer (Van’s) or a really good aeronautical engineer with structural and...
Forum: RV-12/RV-12iS 01-03-2020, 08:53 AM
Replies: 64
Views: 20,697
Posted By Piper J3
I had a request for information on how to install...

I had a request for information on how to install the John Deere Voltage Regulator in place of Ducati. So, I searched for my posts in VAF and photos are no longer saved on the hosting site (I wish...
Forum: RV-9/9A 01-01-2020, 05:03 PM
Replies: 22
Views: 2,885
Posted By Piper J3
I jumped over to the 9 forum and found this...

I jumped over to the 9 forum and found this thread... Funny, I have to be careful flying my early S/N RV-12 in the pattern with a C172. Even with two 200#ers and full fuel and baggage I can easily...
Forum: RV General Discussion/News 01-01-2020, 04:48 PM
Replies: 13
Views: 878
Posted By Piper J3
What if you need to stop and take a wizzzz before...

What if you need to stop and take a wizzzz before reaching the state line?
Forum: RV General Discussion/News 01-01-2020, 01:38 PM
Replies: 21
Views: 1,021
Posted By Piper J3
Just one word of caution... The plastic case...

Just one word of caution... The plastic case does not clip the iPad very tightly. Rough air might jar it loose if mounted vertically on your panel. I get away with it because I have it mounted on...
Forum: RV General Discussion/News 01-01-2020, 11:31 AM
Replies: 21
Views: 1,021
Posted By Piper J3
Another idea… build Guardian Avionics Smart Panel...

Another idea… build Guardian Avionics Smart Panel mount for iPhone into a sub-panel for the back-seater. Cost - $130. iPhone would not need to have SIM chip to run ForeFlight. Cockpit Sharing...
Forum: RV General Discussion/News 12-31-2019, 07:58 PM
Replies: 21
Views: 1,021
Posted By Piper J3
The inclined mini iPad on the left side runs...

The inclined mini iPad on the left side runs ForeFlight and is used for primary navigation. It is powered from USB and has a mag-safe plug in case I step on the charging cord. The mini iPad above...
Forum: RV General Discussion/News 12-30-2019, 07:08 PM
Replies: 40
Views: 2,408
Posted By Piper J3
Its been a couple of years since I did it, but I...

Its been a couple of years since I did it, but I didn't have to install in a cell phone to activate. Pretty sure I just called T-Mobile and they talked me through over the phone.
Forum: RV General Discussion/News 12-30-2019, 06:20 PM
Replies: 21
Views: 1,021
Posted By Piper J3
I don't think that's exactly...

I don't think that's exactly true...

https://i.postimg.cc/ryjcdxN5/Screen-Shot-2019-12-30-at-7-19-11-PM.png (https://postimg.cc/NLKZSyV0)temporary image upload (https://postimages.org/)
Forum: RV-9/9A 12-30-2019, 05:12 PM
Replies: 1
Views: 416
Posted By Piper J3
Really, I know plenty of folks that fit the...

Really, I know plenty of folks that fit the bill.

For instance.... ...
Forum: RV General Discussion/News 12-30-2019, 03:33 PM
Replies: 40
Views: 2,408
Posted By Piper J3
I did similar. I bought a 4G cell phone switch...

I did similar. I bought a 4G cell phone switch on eBay for $149. Vendor is Relay-Supply in Saskatoon, Saskatchewan, Canada. Delivery is three days. Unit has two independent output relays so it can...
Forum: RV General Discussion/News 12-30-2019, 01:32 PM
Replies: 16
Views: 1,156
Posted By Piper J3
At the risk of being lambasted… I wonder why VAF...

At the risk of being lambasted… I wonder why VAF doesn’t host photo upload as integral part of the forum site?

I follow a different forum which is very similar to VAF called RCGroups...
Forum: RV-12/RV-12iS 12-30-2019, 01:14 PM
Replies: 46
Views: 21,494
Posted By Piper J3
I’ll butt in here…. I have a cell phone relay...

I’ll butt in here…. I have a cell phone relay switch because I can’t get a WiFi signal at the hanger. If you’re one of the lucky ones who has a strong WiFi signal then I suspect this...
Forum: Rocket 12-29-2019, 04:23 PM
Replies: 13
Views: 1,550
Posted By Piper J3
Very, very nice. It's just amazing what we can...

Very, very nice. It's just amazing what we can use for avionics in our experimental airplanes. My father flew B-17H in WWII... he would absolutely flip out if he saw my RV-12 with four(4) 7" flat...
Forum: RV General Discussion/News 12-28-2019, 07:03 AM
Replies: 39
Views: 3,655
Posted By Piper J3
Excellent. If this indeed does work it will put...

Excellent. If this indeed does work it will put us on par with folks that have full hearing. I await your flight report...
Forum: RV General Discussion/News 12-26-2019, 11:47 AM
Replies: 39
Views: 3,655
Posted By Piper J3
This thread is very timely. I am in the market...

This thread is very timely. I am in the market to replace both of my hearing aids which are ~ 10 years age and old technology.

This morning I went to the local Costco to return a few Christmas...
Forum: RV-12/RV-12iS 12-26-2019, 07:07 AM
Replies: 2
Views: 645
Posted By Piper J3
Van’s sells a Winterization Kit for the RV-12...

Van’s sells a Winterization Kit for the RV-12 which includes a selection of three baffles for the oil cooler and a sliding baffle for the coolant radiator. With these baffles you get excellent cabin...
Forum: Alternative Engines 12-26-2019, 06:42 AM
Replies: 477
Views: 73,064
Posted By Piper J3
Charlie - Another option for trim servo speed...

Charlie -

Another option for trim servo speed control... https://shop.vansaircraft.com/cgi-bin/shop.cgi?ident=1473603067-150-48&browse=airframe&product=safety-trim
Forum: RV General Discussion/News 12-25-2019, 05:15 PM
Replies: 39
Views: 3,655
Posted By Piper J3
Problem with communication is on my end... So, I...

Problem with communication is on my end... So, I try again with better explanation of problem that plagues wearing behind-the-ear aid while wearing Zulu headset.

The in-the-ear aid in my right...
Forum: RV General Discussion/News 12-25-2019, 03:14 PM
Replies: 39
Views: 3,655
Posted By Piper J3
The problem I have is with headset ear cup...

The problem I have is with headset ear cup impinging on the behind-the-ear aid. The in-the-ear aid functions very well with the LightSpeed Zulu. I will soon need to wear behind-the-ear aids for...
Forum: Alternative Engines 12-25-2019, 08:20 AM
Replies: 477
Views: 73,064
Posted By Piper J3
Charlie - Here's another option for...

Charlie -

Here's another option for automatically switching pitch trim servo speed... Use an airspeed switch that ties into the pitot system. ...
Forum: RV General Discussion/News 12-25-2019, 07:07 AM
Replies: 39
Views: 3,655
Posted By Piper J3
If I’m understanding you correctly… The concept...

If I’m understanding you correctly…

The concept is to wear normal hearing aids (in-ear or behind-ear) that have Bluetooth capability and then plug a Bluetooth transmitter into the Rx headphone jack...
Forum: RV General Discussion/News 12-23-2019, 07:35 PM
Replies: 39
Views: 3,655
Posted By Piper J3
Bob Collins - thanks for starting this...

Bob Collins - thanks for starting this thread...

I have severe hearing difficulty in both ears. I wear hearing aids that function marginally at best. My conclusion is that high quality digital...
Forum: RV-12/RV-12iS 12-23-2019, 01:39 PM
Replies: 12
Views: 1,715
Posted By Piper J3
Yeah, that's the right picture. Replace with...

Yeah, that's the right picture. Replace with stainless steel spring and be happy...
Forum: RV Building Tips/Techniques 12-23-2019, 12:25 AM
Replies: 13
Views: 1,026
Posted By Piper J3
I used wire wheel on Dremel tool.

I used wire wheel on Dremel tool.
Forum: RV-12/RV-12iS 12-22-2019, 04:56 PM
Replies: 12
Views: 1,715
Posted By Piper J3
I installed GPL STAINLESS STEEL EXHAUST SPRING...

I installed GPL STAINLESS STEEL EXHAUST SPRING FOR 912 SERIES from Aircraft Spruce - $4 ea. Springs were slightly longer than stock so requires bending the welded tabs to get correct stretch. I...
Forum: RV-12/RV-12iS 12-21-2019, 08:24 AM
Replies: 76
Views: 8,276
Posted By Piper J3
Fish Finder and ADS-B Traffic In... Almost same...

Fish Finder and ADS-B Traffic In... Almost same thing.
Forum: RV-12/RV-12iS 12-19-2019, 09:09 PM
Replies: 28
Views: 6,141
Posted By Piper J3
Look here for SB 14-12-06... ...

Look here for SB 14-12-06... https://www.vansaircraft.com/service-information-and-revisions/?aircraft=rv-12&doctype=all
Forum: Alternative Engines 12-18-2019, 08:44 PM
Replies: 477
Views: 73,064
Posted By Piper J3
Exactly... My trim pot is located behind the...

Exactly... My trim pot is located behind the panel after I made final settings. Slow is really slow for cruise. RV-12 guys that fly my plane like the ability to easily set pitch trim at cruise...
Forum: RV-12/RV-12iS 12-18-2019, 03:22 PM
Replies: 28
Views: 6,141
Posted By Piper J3
Count me in... I have been monitoring the...

Count me in... I have been monitoring the Flaperon Bearing Bracket now for four years at Annual Condition Inspection. This year I see a small propagation of a crack on the right flange of the...
Forum: Alternative Engines 12-17-2019, 08:30 PM
Replies: 477
Views: 73,064
Posted By Piper J3
Charlie - Are the trim motors adjustable for...

Charlie -

Are the trim motors adjustable for speed? I converted my RV-12 to Ray Allen with two-speed trim. Very slow speed in cruise and fast trim in slow flight in the pattern. Speed is...
Forum: RV-12/RV-12iS 12-15-2019, 11:04 PM
Replies: 3
Views: 679
Posted By Piper J3
I took the bronze bushing and knurled the surface...

I took the bronze bushing and knurled the surface in a lathe to increase the OD. Then turned the OD to slightly oversize for a nice slip fit in the stick pivot tube. Side benefit is knurled surface...
Forum: RV-12/RV-12iS 12-15-2019, 03:24 PM
Replies: 7
Views: 938
Posted By Piper J3
Your call, but I would not fly this airplane...

Your call, but I would not fly this airplane until complete and thorough examination of all moving parts, brackets, bearings, skins, doublers, loose rivets, and everything else. And even then, I'd...
Forum: RV-12/RV-12iS 12-15-2019, 12:45 PM
Replies: 7
Views: 938
Posted By Piper J3
I would inspect entire control mechanism for...

I would inspect entire control mechanism for damage including Flaperon bearing brackets. Remove baggage floor and seat pan for thorough inspection.
Forum: RV-12/RV-12iS 12-13-2019, 10:37 AM
Replies: 22
Views: 3,790
Posted By Piper J3
When you say "Restrictions on Flying"... what...

When you say "Restrictions on Flying"... what does that refer to? I suspect insurance company will not write policy based on age?
Forum: RV-12/RV-12iS 12-12-2019, 10:12 AM
Replies: 60
Views: 21,584
Posted By Piper J3
I think the secret to not having kickback during...

I think the secret to not having kickback during start sequence is to have a strong battery that can power through the spark advance. A weak battery may not be able to overcome the ignition and...
Forum: RV-12/RV-12iS 12-11-2019, 11:30 AM
Replies: 5
Views: 663
Posted By Piper J3
Are you talking about flat sheet of plastic? In...

Are you talking about flat sheet of plastic? In that case it is Lexan (Polycarbonate) and not Plexiglass. Flat Lexan was furnished with early kits. Van's recently upgraded to molded Plexiglass...
Forum: RV-12/RV-12iS 12-03-2019, 04:13 PM
Replies: 9
Views: 1,086
Posted By Piper J3
I hate to be a stick-in-the-mud, but I’m looking...

I hate to be a stick-in-the-mud, but I’m looking at Dave’s photo in post #5 and I’m trying to visualize gaining access to the high pressure fuel pumps and filters behind the rear baggage bulkhead. I...
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