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Search: Posts Made By: Piper J3
Forum: RV-12/RV-12iS Today, 11:40 AM
Replies: 12
Views: 328
Posted By Piper J3
So, several flights now with the new 40135 Facet...

So, several flights now with the new 40135 Facet electric fuel pump. Looks like 0.3-0.5 add'l fuel flow showing in cruise flight. I'll adjust "K" factor at some point - just not now.
Forum: RV-12/RV-12iS Yesterday, 06:47 PM
Replies: 12
Views: 328
Posted By Piper J3
Higher pressure should flow more fuel through...

Higher pressure should flow more fuel through orifice back to the fuel tank so overall fuel flow through the transducer should be higher with higher fuel pressure.

Seems to make sense when you say...
Forum: RV-12/RV-12iS 05-16-2021, 04:06 PM
Replies: 151
Views: 8,802
Posted By Piper J3
Fan only draws 0.25A @ 12VDC, so virtually no...

Fan only draws 0.25A @ 12VDC, so virtually no drain on Odyssey battery.
Forum: RV-12/RV-12iS 05-16-2021, 02:34 AM
Replies: 6
Views: 335
Posted By Piper J3
[QUOTE=rv3flier;1525858]Is there a way to...

[QUOTE=rv3flier;1525858]Is there a way to re-enter these values into the Dynon 180 without having to drain and refill as was done originally?

Answer is no for D-180. I asked Dynon this question a...
Forum: RV-12/RV-12iS 05-15-2021, 06:29 PM
Replies: 151
Views: 8,802
Posted By Piper J3
Today was first day I had to try my cooling fan...

Today was first day I had to try my cooling fan to help vent under-cowl heat when plane is parked. OAT was mid-70F and I parked the plane for a twenty-minute potty stop. I placed the cooling fan...
Forum: RV-12/RV-12iS 05-13-2021, 10:01 AM
Replies: 28
Views: 2,157
Posted By Piper J3
I didn't know Danny Quayle owned a RV-12... :D

I didn't know Danny Quayle owned a RV-12... :D
Forum: RV-12/RV-12iS 05-11-2021, 07:36 PM
Replies: 20
Views: 2,025
Posted By Piper J3
In my case I overlapped the seams. Airplane is...

In my case I overlapped the seams. Airplane is made from aluminum sheets that already overlap, so appearance is same.
Forum: RV-12/RV-12iS 05-11-2021, 06:20 PM
Replies: 28
Views: 2,157
Posted By Piper J3
That sounds about right. My new 40135 shows 5.0...

That sounds about right. My new 40135 shows 5.0 psig when running alone without engine. Fuel flow at cruise increased from 5.0 to about 5.5 gpm. I suspect additional fuel pressure allows more...
Forum: RV-12/RV-12iS 05-11-2021, 08:29 AM
Replies: 6
Views: 576
Posted By Piper J3
Correct. Always on with Master Switch. Safety...

Correct. Always on with Master Switch. Safety Feature - do not change operation of electric fuel pump.
Forum: RV-12/RV-12iS 05-10-2021, 01:59 PM
Replies: 20
Views: 2,025
Posted By Piper J3
Perhaps a suggestion… bare aluminum is very...

Perhaps a suggestion… bare aluminum is very labor intensive to keep bright polish and shiny. You could easily cover the aluminum in vinyl wrap with minimal expense. Silver and chrome colors are...
Forum: RV-12/RV-12iS 05-08-2021, 08:04 AM
Replies: 20
Views: 2,025
Posted By Piper J3
You forgot to take gift wrapping paper off...

You forgot to take gift wrapping paper off...
Forum: RV-12/RV-12iS 05-06-2021, 02:47 PM
Replies: 151
Views: 8,802
Posted By Piper J3
I flew 1.2 this morning to test the new 40135...

I flew 1.2 this morning to test the new 40135 Facet electric fuel pump. Looks like 5 psig fuel pressure in cruise flight which is about a 1 psig gain. There might be an improvement in fuel pressure...
Forum: RV-12/RV-12iS 05-05-2021, 05:02 AM
Replies: 10
Views: 1,093
Posted By Piper J3
Are you sure Van's built the airplane. I thought...

Are you sure Van's built the airplane. I thought Synergy built the S-LSA until recently. I could be wrong - no surprise there...
Forum: RV-12/RV-12iS 05-04-2021, 06:39 AM
Replies: 23
Views: 2,007
Posted By Piper J3
Power off - meaning idle or prop not turning? ...

Power off - meaning idle or prop not turning? 500 AGL isn’t a lot to work with when decisions don’t get made as quickly as they should.

Thinking back now to when I experienced vapor lock on...
Forum: RV-12/RV-12iS 05-03-2021, 01:32 PM
Replies: 28
Views: 2,157
Posted By Piper J3
As mentioned in the Vapor Lock Thread, I just...

As mentioned in the Vapor Lock Thread, I just installed the new Facet 40135 Per Van’s Notice N18-07-12. High winds and rain will delay test flight for about a week. The new pump has about 2...
Forum: RV-12/RV-12iS 05-03-2021, 01:16 PM
Replies: 151
Views: 8,802
Posted By Piper J3
It took about 3 hours start to finish. I had to...

It took about 3 hours start to finish. I had to drain four gallons of fuel.
Forum: RV-12/RV-12iS 05-02-2021, 11:21 PM
Replies: 24
Views: 2,860
Posted By Piper J3
^^^ Is this Richard Parker from Life of Pi?

^^^ Is this Richard Parker from Life of Pi?
Forum: RV-12/RV-12iS 05-02-2021, 08:57 AM
Replies: 24
Views: 2,860
Posted By Piper J3
No problem... Photos are actually 914 carbs I...

No problem... Photos are actually 914 carbs I bought on eBay for $300/pair - brand new. Cheaper than a set of floats! Someday I will re-jet for 912 when my carbs wear out.
Forum: RV-12/RV-12iS 05-02-2021, 05:55 AM
Replies: 24
Views: 2,860
Posted By Piper J3
Balls are pressed into cross-drilled holes in the...

Balls are pressed into cross-drilled holes in the casting...
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Forum: RV-12/RV-12iS 05-01-2021, 11:23 AM
Replies: 151
Views: 8,802
Posted By Piper J3
I just installed the FAC-40135 Facet Cube 12v...

I just installed the FAC-40135 Facet Cube 12v Fuel Pump per Van’s Notice N 18-07-12 and now see 5 psig with electric pump where original pump only made 3 psig when operating by itself. Haven’t flown...
Forum: RV-12/RV-12iS 04-30-2021, 05:57 PM
Replies: 23
Views: 2,007
Posted By Piper J3
I “practiced” this on 4-6-2021. See post #1 on...

I “practiced” this on 4-6-2021. See post #1 on Vapor Lock thread. This was actually the second time I have lost power on take-off (first time was with J-3 Cub about 15 years ago). Both times I had...
Forum: RV-12/RV-12iS 04-30-2021, 10:34 AM
Replies: 151
Views: 8,802
Posted By Piper J3
Read more about erroneous Fuel Flow readings at...

Read more about erroneous Fuel Flow readings at altitude here... https://vansairforce.net/community/showthread.php?t=187081

Scott McDaniels offers some background on the issue...
Forum: RV-12/RV-12iS 04-30-2021, 09:35 AM
Replies: 151
Views: 8,802
Posted By Piper J3
I will begin using 12VDC Standard Brushless...

I will begin using 12VDC Standard Brushless Cooling Fan 120mm x 25mm Dual Ball Bearing 3.0 Watt 45 CFM (Amazon - $10) when airplane is “parked” such as pancake fly-ins, $100 hamburger run, refueling,...
Forum: RV-12/RV-12iS 04-29-2021, 08:18 AM
Replies: 151
Views: 8,802
Posted By Piper J3
Gas station near me has a sticker on pump telling...

Gas station near me has a sticker on pump telling date of Winter/Summer fuel changeover. Never saw that before…
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Forum: RV-12/RV-12iS 04-27-2021, 11:14 PM
Replies: 151
Views: 8,802
Posted By Piper J3
Another data set from flight on Tuesday morning. ...

Another data set from flight on Tuesday morning. The day actually got quite warm (80F) but winds late morning-on were gusting 28, so I flew early morning. Engine ran well with solid fuel flow and...
Forum: RV-12/RV-12iS 04-26-2021, 03:06 AM
Replies: 50
Views: 5,158
Posted By Piper J3
I turn on Master switch and both ignitions before...

I turn on Master switch and both ignitions before I climb into the airplane. I get serenaded by the oscillating pump. Electric fuel pump gets to run a few minutes before engine start to...
Forum: ADS-B 04-25-2021, 12:26 PM
Replies: 5
Views: 300
Posted By Piper J3
It's a Garmin 327... Should I check if 10 ft...

It's a Garmin 327...

Should I check if 10 ft resolution (precision)?

I wonder how forgiving FAA is for Baro Delta? There must be some magical limit you can't exceed.
Forum: ADS-B 04-25-2021, 10:29 AM
Replies: 5
Views: 300
Posted By Piper J3
Thanks guys... The Baro(D) issue is internal to...

Thanks guys...

The Baro(D) issue is internal to the aircraft, Baro encoding indicating a problem from packet to packet.

So, is this a problem I have to fix?
Forum: ADS-B 04-24-2021, 05:12 PM
Replies: 5
Views: 300
Posted By Piper J3
Baro Alt on ADS-B Performance Report

Does anybody know the allowable value for Baro Alt Delta? I pass ADS-B Performance Report but usually have some small % of Baro Alt...
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Forum: RV-12/RV-12iS 04-24-2021, 04:51 PM
Replies: 50
Views: 5,158
Posted By Piper J3
Hoot Gibson Circuit Breaker......

Hoot Gibson Circuit Breaker... https://en.wikipedia.org/wiki/TWA_Flight_841_(1979)
Forum: RV-12/RV-12iS 04-24-2021, 03:22 PM
Replies: 50
Views: 5,158
Posted By Piper J3
Whenever I decide to power up Master and don't...

Whenever I decide to power up Master and don't want electric fuel pump running - I pull fuse and tape it to pilot's control stick.

Almost 100% certainty that it will be noticed and placed back in...
Forum: RV-12/RV-12iS 04-24-2021, 11:45 AM
Replies: 151
Views: 8,802
Posted By Piper J3
First flight after installing foil-backed...

First flight after installing foil-backed fiberglass insulation on fuel lines FWF and permanent install of 2-channel temp sensor.

One hour flight to three outlying airports with 57 OAT. Fuel temp...
Forum: RV-12/RV-12iS 04-24-2021, 02:42 AM
Replies: 50
Views: 5,158
Posted By Piper J3
What I don’t understand…

Shutting off electric fuel pump. This is being discussed in several threads again, so let’s just have the debate right here and now.

Rotax Installation Manual, and yesterday, the Vice President -...
Forum: RV-12/RV-12iS 04-23-2021, 03:18 PM
Replies: 151
Views: 8,802
Posted By Piper J3
The only baseline I have is temperature readings...

The only baseline I have is temperature readings on a single flight listed in post #59 and, 650 hours prior flight time with no incidence of Vapor Lock.

This is not exactly Jet Propulsion...
Forum: RV-12/RV-12iS 04-23-2021, 12:28 PM
Replies: 151
Views: 8,802
Posted By Piper J3
I finished installing foil-backed fiberglass...

I finished installing foil-backed fiberglass insulation on fuel lines. Each line has two wraps. I decided to hold up on return-to-tank and fuel pressure lines for now.

I will flight test and...
Forum: RV-12/RV-12iS 04-23-2021, 12:14 PM
Replies: 19
Views: 1,486
Posted By Piper J3
I'm not familiar... what is JBM carb...

I'm not familiar... what is JBM carb socket?

Thanks in advance.
Forum: RV-12/RV-12iS 04-22-2021, 06:00 PM
Replies: 151
Views: 8,802
Posted By Piper J3
I’m going to sound a little anal here… My...

I’m going to sound a little anal here… My intention is to reduce the chance of Vapor Lock regardless of fuel used or ambient conditions. I will insulate fuel components FWF to reduce risk of heat...
Forum: RV-12/RV-12iS 04-22-2021, 03:50 PM
Replies: 19
Views: 1,486
Posted By Piper J3
What Scott says in above post is correct. ...

What Scott says in above post is correct. Vibration on 9-series engine is rough on carbs particularly because carbs are mounted at extremes from engine centerline. Out by cylinder heads things...
Forum: RV-12/RV-12iS 04-22-2021, 02:48 PM
Replies: 151
Views: 8,802
Posted By Piper J3
Job is continuing... Today I wrapped right carb...

Job is continuing... Today I wrapped right carb fuel line and output line from mechanical pump. Everything FWF is going to have two wraps of foil-backed fiberglass insulation including return line...
Forum: RV-12/RV-12iS 04-22-2021, 06:40 AM
Replies: 17
Views: 1,826
Posted By Piper J3
Perhaps you could put small piece (strip) of foam...

Perhaps you could put small piece (strip) of foam on inside of lid. When lid is in place the foam will press against fuses to hold them in place. Removal of lid allows complete unobstructed access.
Forum: RV-12/RV-12iS 04-21-2021, 10:37 AM
Replies: 7
Views: 1,241
Posted By Piper J3
Airplane is very light with full-castering nose...

Airplane is very light with full-castering nose wheel. 30 knots would be difficult for taxing...
Forum: RV-12/RV-12iS 04-21-2021, 05:00 AM
Replies: 151
Views: 8,802
Posted By Piper J3
Duly noted... :D For the heck of it I looked up...

Duly noted... :D

For the heck of it I looked up “outhouse vents” on Amazon. The vent I got is listed. Spent an hour looking at privy vents. I guess vapor lock is a concern there also.

This...
Forum: RV-12/RV-12iS 04-20-2021, 02:37 PM
Replies: 151
Views: 8,802
Posted By Piper J3
If NACA inlets are used on the 912iS to cool...

If NACA inlets are used on the 912iS to cool sensitive electronics on top of the engine, with no air flow problem through the cylinders, then it seems to me that the same inlets could be added the ...
Forum: RV-12/RV-12iS 04-20-2021, 02:04 PM
Replies: 151
Views: 8,802
Posted By Piper J3
So, today I started adding insulation to the fuel...

So, today I started adding insulation to the fuel lines FWF. I started with the feeder line for the left carb to see how Design Engineering Vapor Block Fuel Line Sleeve contours around fuel line...
Forum: RV-12/RV-12iS 04-20-2021, 10:30 AM
Replies: 151
Views: 8,802
Posted By Piper J3
Seagull - Interesting… Photo shows cowling with...

Seagull -

Interesting… Photo shows cowling with two NACA type inlets in front, and then what appears to be an elevated diffuser at rear of top cowling, perhaps to spill excess heat.

I might not be...
Forum: RV-12/RV-12iS 04-19-2021, 06:53 PM
Replies: 151
Views: 8,802
Posted By Piper J3
I started this thread to highlight a potential...

I started this thread to highlight a potential problem that many may be unfamiliar with. All posts are relevant and certainly welcome. Forum is an invaluable tool to promote safety, understanding,...
Forum: RV-12/RV-12iS 04-19-2021, 05:45 PM
Replies: 12
Views: 1,896
Posted By Piper J3
I thought everyone painted their fork... -

I thought everyone painted their fork...
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Forum: RV-12/RV-12iS 04-19-2021, 02:19 PM
Replies: 151
Views: 8,802
Posted By Piper J3
If I decide to add louver to rear of top cowling,...

If I decide to add louver to rear of top cowling, I will buy another remote temperature sensor to monitor two cylinders for air cooling. Rotax 912 Installation Manual says maximum permitted cylinder...
Forum: RV-12/RV-12iS 04-19-2021, 11:00 AM
Replies: 151
Views: 8,802
Posted By Piper J3
Not so sure of that either. Most of the time...

Not so sure of that either. Most of the time NTSB doesn’t even travel to accident site. Don’t think vapor lock is high up on list of possible causes...
Forum: Glass Cockpit 04-19-2021, 07:04 AM
Replies: 2
Views: 247
Posted By Piper J3
I contacted Dynon with this question and await...

I contacted Dynon with this question and await their reply. Last time I talked to them about D-180 they said all the software engineers that designed the D-180 have moved on and no longer with...
Forum: Glass Cockpit 04-19-2021, 03:03 AM
Replies: 2
Views: 247
Posted By Piper J3
D-180 EMS Page - Displayed Items

I have a D-180 question. I have read Installation and User manuals and they allude to being able to move what is displayed on main EMS to different locations on the screen. My screen (see attached)...
Forum: RV-12/RV-12iS 04-19-2021, 02:41 AM
Replies: 151
Views: 8,802
Posted By Piper J3
Might not be as rare as we think. Several...

Might not be as rare as we think. Several reports here in this thread, and since starting thread, I rec’d two PMs from guys not willing to go public.

I live in the northern part of the country and...
Forum: RV-12/RV-12iS 04-18-2021, 08:20 PM
Replies: 151
Views: 8,802
Posted By Piper J3
A few years ago, I saw a Cassutt Racer with Cont...

A few years ago, I saw a Cassutt Racer with Cont 0200 land and pilot got out, opened oil door to permit cooling, and then the guy had a 12-volt fan he stuck over the oil door opening to suck out the...
Forum: RV-12/RV-12iS 04-18-2021, 08:10 PM
Replies: 151
Views: 8,802
Posted By Piper J3
Yes, I think that’s pretty much it. So, what...

Yes, I think that’s pretty much it.

So, what can we do to stack the odds in our favor?

Hot Day – Not much can done to alleviate. Fly instead during cool part of day?

Heat-Soaked Engine...
Forum: RV-12/RV-12iS 04-18-2021, 06:53 AM
Replies: 151
Views: 8,802
Posted By Piper J3
The answer to your question is that vapor lock...

The answer to your question is that vapor lock can occur with summer blend Mogas if under-cowl temps allow. So, I feel it necessary to understand and control fuel temperatures FWF regardless of fuel...
Forum: RV-12/RV-12iS 04-18-2021, 06:06 AM
Replies: 151
Views: 8,802
Posted By Piper J3
Yes, I understand concern for cylinder cooling,...

Yes, I understand concern for cylinder cooling, however, the 912 is primarily a liquid-cooled engine.

Jabiru is air-cooled and that presents multitude of problems; front cylinders Vs. back...
Forum: RV-12/RV-12iS 04-17-2021, 11:17 PM
Replies: 151
Views: 8,802
Posted By Piper J3
This is louver I’m thinking about adding at rear...

This is louver I’m thinking about adding at rear top cowling to help extract heat during ground ops. Opening is 9” x 3.75”. Most likely mounted with fiberglass resin from bottom side and no...
Forum: RV-12/RV-12iS 04-17-2021, 04:44 PM
Replies: 151
Views: 8,802
Posted By Piper J3
Yes, I believe that is what is happening. Very...

Yes, I believe that is what is happening. Very surprising how quickly the fuel temp rises when throttle is reduced to near idle.

Going to be interesting to see fuel temp and under-cowl temp when...
Forum: RV-12/RV-12iS 04-17-2021, 02:27 PM
Replies: 6
Views: 708
Posted By Piper J3
^^^^ What he said ^^^^ 3M 1080 Silver Vinyl. ...

^^^^ What he said ^^^^

3M 1080 Silver Vinyl. Really easy to install...
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Forum: RV-12/RV-12iS 04-17-2021, 02:03 PM
Replies: 4
Views: 517
Posted By Piper J3
AOA is already an option for RV-12. It mounts on...

AOA is already an option for RV-12. It mounts on left wing near stall sensor. It doesn't look like normal AOA and not heated. I suppose you could add heated pitot and AOA yourself. 912ULS is...
Forum: RV-12/RV-12iS 04-17-2021, 01:38 PM
Replies: 4
Views: 517
Posted By Piper J3
Pitot tube on RV-12 and RV-12iS is thru the...

Pitot tube on RV-12 and RV-12iS is thru the center of the spinner like a Bf 109 with 20mm cannon in the nose... :D
Forum: RV-12/RV-12iS 04-17-2021, 01:10 PM
Replies: 151
Views: 8,802
Posted By Piper J3
I flew one hour this morning with OAT – 37F so...

I flew one hour this morning with OAT – 37F so not much relevant to vapor lock. I landed at two outlying airports with taxi back for TO at each. I have one temperature probe mounted to right carb...
Forum: RV-12/RV-12iS 04-16-2021, 05:09 PM
Replies: 151
Views: 8,802
Posted By Piper J3
No, actually, I bought Tony T's D-100 to make...

No, actually, I bought Tony T's D-100 to make dual screens when he upgraded to HDX. I have screens supplemented by two mini iPads both running ForeFlight.

I need to keep pinching myself having...
Forum: RV-12/RV-12iS 04-16-2021, 02:31 PM
Replies: 151
Views: 8,802
Posted By Piper J3
Easier said than done... I don't have capability...

Easier said than done... I don't have capability to do serial port for D-180, and besides, the connector is buried in the tunnel.
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