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Search: Posts Made By: Piper J3
Forum: RV-12 Yesterday, 11:30 AM
Replies: 134
Views: 14,232
Posted By Piper J3
I think the RV-12 cools pretty good with...

I think the RV-12 cools pretty good with Evans...

77F OAT, 214F Oil Temp, and 193/198 CHT's.

http://i64.tinypic.com/avk8yr.png
Forum: RV-12 Yesterday, 09:00 AM
Replies: 134
Views: 14,232
Posted By Piper J3
Been lurking here but this prompts the...

Been lurking here but this prompts the question... why did Rotax change from Evans Waterless Coolant if localized boiling can be problematic? Seems it would be better to error on safe side and have...
Forum: RV-12 12-15-2017, 11:45 AM
Replies: 2
Views: 287
Posted By Piper J3
Looks like $5 shipping from Riga, Latvia to USA...

Looks like $5 shipping from Riga, Latvia to USA...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 12-14-2017, 08:49 AM
Replies: 32
Views: 1,143
Posted By Piper J3
I have a different problem... VAF is acting...

I have a different problem...

VAF is acting differently for the past few weeks. Now when I open a recent post I sometimes get a separate page with white background much like a Word Doc.

I would...
Forum: RV-12 12-13-2017, 05:34 PM
Replies: 134
Views: 14,232
Posted By Piper J3
Or to add to this question... Scott mentioned...

Or to add to this question... Scott mentioned that the 12 demonstrator has more than 2000TT. I'm wondering if its still on it's first engine? Has any top-end work been done to it? Compressions still...
Forum: RV-12 12-12-2017, 08:59 AM
Replies: 6
Views: 1,186
Posted By Piper J3
Scott I'm curious, is the original 12 with more...

Scott

I'm curious, is the original 12 with more than 2000TT, still on it's first engine? Has any top-end work been done to it? Compressions still good?

Sorry for redirecting thread...
Forum: RV-12 12-11-2017, 10:03 AM
Replies: 134
Views: 14,232
Posted By Piper J3
For 1352CC engine the RV-12 literally leaps off...

For 1352CC engine the RV-12 literally leaps off the ground. I fly off grass usually with two people @ 200# each and often with full fuel.

The beauty of the 912 engine installation in the 12 is no...
Forum: VAF Classifieds (posts in here deleted after 30 days) 12-10-2017, 06:23 AM
Replies: 2
Views: 593
Posted By Piper J3
Original Zulu or Zulu2?

Original Zulu or Zulu2?
Forum: RV-12 12-07-2017, 04:51 PM
Replies: 134
Views: 14,232
Posted By Piper J3
Rotax 912 % Power...

Rotax 912 % Power Graph...
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http://i64.tinypic.com/2dbo5yb.jpg
Forum: RV-12 12-07-2017, 02:19 PM
Replies: 28
Views: 1,716
Posted By Piper J3
John - is 200F CHT accomplished by blocking off...

John - is 200F CHT accomplished by blocking off coolant radiator? Good trick with near 0F OAT...
Forum: RV-12 12-07-2017, 07:33 AM
Replies: 8
Views: 789
Posted By Piper J3
I'm sure you have done W&B calculations but from...

I'm sure you have done W&B calculations but from your photo the setup looks heavier than a 912 and seems further forward. Do you have to make other changes to keep COG correct?
Forum: RV-12 12-05-2017, 10:26 PM
Replies: 12
Views: 769
Posted By Piper J3
I was thinking #22. But now I'm remembering #22...

I was thinking #22. But now I'm remembering #22 is a hex head screw and not socket head...
Forum: RV-12 12-05-2017, 09:54 PM
Replies: 11
Views: 1,946
Posted By Piper J3
David- Just curious if you sold your legacy...

David-

Just curious if you sold your legacy fuselage.

I keep thinking about building a new machine...
Forum: RV-12 12-05-2017, 09:26 PM
Replies: 12
Views: 769
Posted By Piper J3
Do you mean the screw on top of the intake...

Do you mean the screw on top of the intake manifold that you remove, and in its place, you screw in a barb fitting for rubber hose connection to vacuum gage for balancing carbs? By memory, that...
Forum: RV-12 12-02-2017, 07:25 PM
Replies: 4
Views: 655
Posted By Piper J3
See photo below… I don’t have software tools but...

See photo below… I don’t have software tools but maybe someone can measure camber angle with respect to hanger floor. I installed Dresser 500-5 6 PLY AWBS RETREAD, ELITE PREMIUM 2 GROOVE (ELITE) 120...
Forum: RV-12 12-01-2017, 07:10 PM
Replies: 14
Views: 1,889
Posted By Piper J3
What did the head look like? Perhaps foreign...

What did the head look like? Perhaps foreign object got into combustion chamber and played pingpong?
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-25-2017, 07:30 PM
Replies: 29
Views: 6,802
Posted By Piper J3
For the most part no fences except to contain...

For the most part no fences except to contain small children, pets, or swimming pool. Swimming pool needs security fence by law in most communities.

Oh, I think toilet flush swirls opposite...
Forum: RV General Discussion/News 11-25-2017, 07:21 PM
Replies: 10
Views: 870
Posted By Piper J3
This works well for...

This works well for me...http://www.vansairforce.com/community/showpost.php?p=1211903&postcount=74
Forum: RV-12 11-25-2017, 03:54 PM
Replies: 41
Views: 4,292
Posted By Piper J3
Maybe this post is what you're referring...

Maybe this post is what you're referring to...http://www.vansairforce.com/community/showpost.php?p=1079335&postcount=1
Forum: RV-12 11-24-2017, 09:15 PM
Replies: 41
Views: 4,292
Posted By Piper J3
I'd use a little caution here... "diesel only"...

I'd use a little caution here... "diesel only" means just that. There are similar style pumps made specifically for gasoline.

Just saying...
Forum: RV-12 11-24-2017, 03:10 PM
Replies: 16
Views: 1,262
Posted By Piper J3
I'm wandering if you transposed a couple of...

I'm wandering if you transposed a couple of numbers. Pg 47-07 of the Powerplant Instructions state 71.4 degrees prop pitch.
Forum: RV-12 11-24-2017, 12:44 PM
Replies: 16
Views: 1,262
Posted By Piper J3
Not hard to use Van's sheetmetal stamped pitch...

Not hard to use Van's sheetmetal stamped pitch gage to set blades to within 0.1 degree of each other. Entire process takes less than an hour. For me, based at 1K MSL and flying 3-7K MSL... 71.4...
Forum: Painting your RV 11-16-2017, 09:33 AM
Replies: 14
Views: 2,565
Posted By Piper J3
In the pics I included in above post... the hinge...

In the pics I included in above post... the hinge is unpainted. Vinyl is wrapped around and over the hinge and tucked against the hinge line. You could paint the hinge prior to vinyl application...
Forum: Painting your RV 11-16-2017, 02:57 AM
Replies: 14
Views: 2,565
Posted By Piper J3
I bought 3M 1080 on eBay and wrapped the...

I bought 3M 1080 on eBay and wrapped the stabilator on my RV-12. Raised pull rivet heads are no problem - just make pinhole to release trapped air and squeeze vinyl around the rivets. Looks like...
Forum: ADS-B 11-11-2017, 03:16 PM
Replies: 27
Views: 2,506
Posted By Piper J3
Wow, you guys are wild. That's the thing about...

Wow, you guys are wild. That's the thing about people who tinker - other's willing to help and share ideas. High tech these days though. When I was a kid I remember a neighbor building a wooden...
Forum: RV-10 11-09-2017, 05:58 PM
Replies: 13
Views: 1,055
Posted By Piper J3
See......

See... http://www.vansairforce.com/community/showpost.php?p=1061377&postcount=288
Forum: RV-12 11-04-2017, 08:29 PM
Replies: 8
Views: 1,435
Posted By Piper J3
I installed gear leg/fuselage fairings and it...

I installed gear leg/fuselage fairings and it didn't stop air ingress. See http://www.vansairforce.com/community/showpost.php?p=1210612&postcount=5.

I think air comes in through the spar openings. ...
Forum: RV-12 11-04-2017, 05:32 PM
Replies: 8
Views: 1,435
Posted By Piper J3
Make RV-12 Cabin More Habitable in Winter

The weather is getting cold and I decided to tackle the problem of cold air passing forward from the baggage compartment.

The solution consists of one piece of sheet aluminum, two pieces of...
Forum: RV-12 10-30-2017, 05:27 PM
Replies: 16
Views: 2,217
Posted By Piper J3
I balanced my carbs with two vacuum gages. When...

I balanced my carbs with two vacuum gages. When I was satisfied that they were closely synched I then transferred the vacuum gages L>R to make sure they was no gage bias. I then looked at EGT's for...
Forum: RV-12 10-29-2017, 04:50 PM
Replies: 12
Views: 1,495
Posted By Piper J3
I guess this is what happens when we get old....

I guess this is what happens when we get old. Memory is off a little bit. I tried...

Below is photo referenced by Scott.
-
http://i65.tinypic.com/2dvijae.png
Forum: RV-12 10-29-2017, 10:05 AM
Replies: 12
Views: 1,495
Posted By Piper J3
I don’t have a picture but maybe I can describe...

I don’t have a picture but maybe I can describe it…

A plastic (UHMW) plate about 2”H x 3”W is installed on the rollover bar. On the face of the plastic is a metal plate with two cam grooves – upper...
Forum: RV-12 10-26-2017, 08:09 AM
Replies: 82
Views: 9,967
Posted By Piper J3
John Did you route the antenna coax to the tail...

John

Did you route the antenna coax to the tail cone through the central tunnel?

Where did you mount your GPS hockey puck antenna?

I'm asking so many questions because I, and probably other early...
Forum: RV-12 10-25-2017, 09:44 PM
Replies: 16
Views: 2,217
Posted By Piper J3
When you're finished you can hook your gages up...

When you're finished you can hook your gages up in reverse L->R / R->L to verify any gage errors.
Forum: RV-12 10-25-2017, 09:42 PM
Replies: 82
Views: 9,967
Posted By Piper J3
Can you share some photos of the installation? ...

Can you share some photos of the installation? GPS source and ECHO UAT placement? Also where you installed the UAT(978) antenna.
Forum: RV-12 10-25-2017, 12:46 PM
Replies: 16
Views: 2,217
Posted By Piper J3
Tony - next time you fly take note of EGT's as...

Tony - next time you fly take note of EGT's as engine is warming up. They should be pretty similar if carbs are balanced for idle and off-idle.

Most guys report that right EGT is higher than left...
Forum: RV-12 10-25-2017, 01:41 AM
Replies: 16
Views: 2,217
Posted By Piper J3
Tony - Just curious... how close do your L/R EGT...

Tony -

Just curious... how close do your L/R EGT track each other at idle, mid-range, and cruise RPM?
Forum: RV-12 10-24-2017, 10:54 AM
Replies: 30
Views: 8,052
Posted By Piper J3
I'll jump in here... I installed SS exhaust...

I'll jump in here... I installed SS exhaust springs from Spruce 100 hours ago. They were loose during the install so I re-bent the welded attachment bales to stretch the springs and add preload. ...
Forum: RV-12 10-23-2017, 09:50 AM
Replies: 2
Views: 864
Posted By Piper J3
How The 912 Got Its Name...

I asked question over in the Rotax Owner’s Forum…

Unlike Continental/Lycoming where IO360 means Injected Opposed 360 Cubic Inch - What is the significance of 912 in the model number?...
Forum: RV-12 10-20-2017, 04:59 PM
Replies: 22
Views: 1,967
Posted By Piper J3
Guess I didn't win the RV-12iS... :( Scott -...

Guess I didn't win the RV-12iS... :(

Scott - have a nice weekend. I think I speak for all... Thanks for all you do on this forum.

Oh, and it was a pleasure meeting you at KOSH this summer.
Forum: RV-12 10-20-2017, 03:22 PM
Replies: 22
Views: 1,967
Posted By Piper J3
Do I win prize for having the right answer? ...

Do I win prize for having the right answer? Maybe RV-12iS? :D
Forum: RV-12 10-20-2017, 02:36 AM
Replies: 22
Views: 1,967
Posted By Piper J3
Look here for easy method to find source of tank...

Look here for easy method to find source of tank leak...http://www.vansairforce.com/community/showpost.php?p=1167652&postcount=28 and...
Forum: RV-12 10-19-2017, 01:25 PM
Replies: 26
Views: 1,892
Posted By Piper J3
No, can quite easily be just one carb. Take a...

No, can quite easily be just one carb. Take a look at both EGT's and see if they are close to same temp. If not, higher temp EGT is imbalanced carb and doing most of the "work".
Forum: RV-12 10-19-2017, 01:19 PM
Replies: 22
Views: 1,967
Posted By Piper J3
You've got it right. Just as an aside... When I...

You've got it right. Just as an aside... When I did SB for my tank I elected to not install the new tank vent and instead to keep the vented cap. My reasoning is that I run 93E10 fuel and don't...
Forum: RV-12 10-18-2017, 03:17 PM
Replies: 76
Views: 28,866
Posted By Piper J3
Actually I think the metal is acting like a...

Actually I think the metal is acting like a ground plane with antenna mounted outside. Signal with same antenna inside the hanger was 17/30 and 24/30 where it is installed on the angled drip edge.
Forum: RV-12 10-18-2017, 08:30 AM
Replies: 76
Views: 28,866
Posted By Piper J3
Update on Cell Phone Switch…

Update to post #71 above… The CL1-GSM has proved unreliable when positioned at the hanger. I think either poor proximity to cell tower or 2G cell network is causing the problem.

I have bought a 4G...
Forum: RV-12 10-17-2017, 01:44 AM
Replies: 11
Views: 1,887
Posted By Piper J3
I put the Van's supplied POH against the left...

I put the Van's supplied POH against the left wall of the cabin beneath the armrest. Velcro holds it in position. I didn't like the slide-in tray under the right instrument panel. I also mounted...
Forum: RV-12 10-16-2017, 01:53 PM
Replies: 29
Views: 4,097
Posted By Piper J3
:eek::eek::eek:

:eek::eek::eek:
Forum: RV-12 10-15-2017, 05:31 PM
Replies: 29
Views: 4,097
Posted By Piper J3
I'm in agreement that both flaps and slip are...

I'm in agreement that both flaps and slip are near non-events. Flaps do lower stall speed but don't alter approach angle very much. Slip should decrease altitude without increase in airspeed. The...
Forum: RV-12 10-13-2017, 09:25 AM
Replies: 17
Views: 2,766
Posted By Piper J3
The Rivnut is installed with a special tool that...

The Rivnut is installed with a special tool that forms an upset ring on the back side. See pic of test sample I did before actual installation on the...
Forum: RV-12 10-12-2017, 04:41 PM
Replies: 17
Views: 2,766
Posted By Piper J3
Fuselage to Gear Leg Fairings

I installed fuselage to gear leg fairings today. $79.98 from Texas Areoplastics @ BuyPlanParts.com. BPP allowed me to buy only the upper fairings out of a complete set of four. I don’t want to...
Forum: RV-12 10-12-2017, 07:59 AM
Replies: 82
Views: 9,967
Posted By Piper J3
John Perhaps another solution where you leave...

John

Perhaps another solution where you leave the 496 in place and add a mini iPad running ForeFlight with traffic and weather. My 12 doesn't have lights or autopilot so these switches are marked...
Forum: RV-12 10-11-2017, 04:32 PM
Replies: 21
Views: 3,502
Posted By Piper J3
Tony - Van's added a doubler to the original...

Tony -

Van's added a doubler to the original fairing brackets. Does the new design have doubler plates?
Forum: RV-12 10-08-2017, 09:22 PM
Replies: 82
Views: 9,967
Posted By Piper J3
Yes, I got that part... That's why I plan to...

Yes, I got that part... That's why I plan to install the receiver in the tail cone. Short coax and long separation from transponder antenna. At least that's the plan for now.

Good to hear that GPS...
Forum: RV-12 10-08-2017, 06:15 PM
Replies: 0
Views: 858
Posted By Piper J3
Nice Fly-in... Only one RV-12 (mine)

Sunday, Oct 8, 2017 My Place annual farm fly-in My Place Airport (3OH7) Cardington, OH. Old time farm fly-in with free food. Family friendly with organized activities for the kids. If you drive...
Forum: RV-12 10-08-2017, 02:09 PM
Replies: 82
Views: 9,967
Posted By Piper J3
I have been wondering about that and doing some...

I have been wondering about that and doing some research. The sheetmetal shelf looks to be designed to accommodate two "hockey puck" GPS antennas side by side.
Forum: RV-12 10-08-2017, 11:58 AM
Replies: 82
Views: 9,967
Posted By Piper J3
I'm following this thread... I plan on...

I'm following this thread... I plan on installing the ECHO UAT with SkyFYX-EXT sometime next summer. I have an early 12 with D-180 and GTX 327. I want to mount the Sky GPS antenna next to the...
Forum: RV-12 10-03-2017, 02:58 AM
Replies: 1
Views: 875
Posted By Piper J3
Next Generation Pilot...

We babysit a friend's one-year old a couple of days a week. Yesterday we introduced him to the flying...
Forum: RV-12 10-02-2017, 07:15 PM
Replies: 51
Views: 6,253
Posted By Piper J3
The RV-12 has a tightly cowled engine and when...

The RV-12 has a tightly cowled engine and when you shut it down the heat is retained for a long period. The residual heat after engine shutdown can cause the fuel to boil off in the carburetor float...
Forum: RV-12 10-01-2017, 03:36 PM
Replies: 6
Views: 1,467
Posted By Piper J3
Wow, I didn't know Rex Tillerson has a 12......

Wow, I didn't know Rex Tillerson has a 12... :D

http://i66.tinypic.com/2qm45dg.png
Forum: RV-12 09-29-2017, 07:37 AM
Replies: 14
Views: 1,645
Posted By Piper J3
Possible the marked balance dot is incorrect from...

Possible the marked balance dot is incorrect from the mfg and might be 180 degree out of phase with heavy part of tire. This could explain why assembly can't be balanced by adding weights. Try...
Forum: RV-12 09-27-2017, 07:56 AM
Replies: 76
Views: 28,866
Posted By Piper J3
Update to my post above... I just found a less...

Update to my post above... I just found a less expensive cell phone plan offered directly by T-Mobile. You buy the SIM card directly from T-Moble for $10 (T-Mobile®Prepaid Mobile Internet 3-in-1...
Forum: RV-12 09-27-2017, 05:34 AM
Replies: 76
Views: 28,866
Posted By Piper J3
I received my CL1-GSM Controller from eBay -...

I received my CL1-GSM Controller from eBay - $29.99 incl shipping. The relay switch is controlled remotely with a cell phone by simple text messages.

I bought a TracFone SIM card with a $15...
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