VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 64 of 421
Search took 0.02 seconds.
Search: Posts Made By: blaplante
Forum: RV-6/6A 09-12-2022, 11:09 AM
Replies: 29
Views: 1,642
Posted By blaplante
Van's book speeds for the...

Van's book speeds for the 6A
https://www.vansaircraft.com/rv-6/#aircraft-details-2

Quotes 150HP as 185 mph at 75% cruise speed.
From my experience, the 160 HP number is accurate... BUT only if you...
Forum: Traditional Aircraft Engines 09-07-2022, 09:49 PM
Replies: 34
Views: 4,855
Posted By blaplante
If you are reading pretty much ANY ohms between...

If you are reading pretty much ANY ohms between engine ground and airframe, that's too much. 1.0 ohm is TOO MUCH. That said, it is hard to accurately measure as any little bit of grease or...
Forum: RV-6/6A 09-07-2022, 11:17 AM
Replies: 21
Views: 2,626
Posted By blaplante
New thread please. If we are going to debate...

New thread please. If we are going to debate whether it is safe to sell our EAB plane or not, etc. etc. We already made the point to the original poster so lets stop cluttering up and diverting off...
Forum: RV-6/6A 09-05-2022, 07:06 PM
Replies: 11
Views: 971
Posted By blaplante
Adjusting the trim tab to spec... even if it...

Adjusting the trim tab to spec... even if it requires a new lever arm ... is going to be vastly easier than moving the battery aft.

Beware of treating the symptoms v. the root cause. Should be a...
Forum: Traditional Aircraft Engines 09-05-2022, 08:14 AM
Replies: 18
Views: 1,469
Posted By blaplante
At one time auto cylinder heads were cast iron,...

At one time auto cylinder heads were cast iron, and the seats were simply machined into the cast iron. THOSE seats depended on lead to survive. Early MGB's are an example.

As the lead went out,...
Forum: Glass Cockpit 09-04-2022, 06:19 PM
Replies: 13
Views: 734
Posted By blaplante
Better Options

For various reasons a Hall current sensor is better...
Forum: COMM 09-04-2022, 08:40 AM
Replies: 2
Views: 229
Posted By blaplante
Try swapping the antennas (by moving the cables...

Try swapping the antennas (by moving the cables between the radios). That'll help isolate the issue.
Forum: RV-7/7A 09-01-2022, 08:53 PM
Replies: 43
Views: 8,666
Posted By blaplante
New Avionics? So the fire got into the cabin or...

New Avionics? So the fire got into the cabin or just smoke?
Check the cabin floor. Any melt through? Same with the sides.
If the fire stayed fire wall forward then not so bad. If it damaged the...
Forum: COMM 08-26-2022, 01:45 PM
Replies: 30
Views: 1,843
Posted By blaplante
If all we are trying to do is have an 'emergency...

If all we are trying to do is have an 'emergency backup radio' then carry a handheld.
Forum: COMM 08-25-2022, 01:42 PM
Replies: 30
Views: 1,843
Posted By blaplante
Or put in an audio panel. I frequently sell...

Or put in an audio panel. I frequently sell working pulls cheaply. Unless there's no space...
Forum: COMM 08-25-2022, 08:21 AM
Replies: 30
Views: 1,843
Posted By blaplante
Is there some reason you wish to avoid an audio...

Is there some reason you wish to avoid an audio panel?
Forum: Traditional Aircraft Engines 08-18-2022, 08:28 AM
Replies: 30
Views: 2,208
Posted By blaplante
So, at least $3000 saved (probably an under...

So, at least $3000 saved (probably an under estimate of changing a cylinder).
For a cost of what... $20 in materials and some time? Not counting what you needed to pay your helpful mechanic.
Forum: RV-14 08-17-2022, 10:18 PM
Replies: 31
Views: 2,856
Posted By blaplante
Also not sure about the 14, but this could be a...

Also not sure about the 14, but this could be a side effect of wing angle to the fuselage. Is that pre-drilled on the newer planes, or something you have to measure, jig and drill like on the 6 and...
Forum: Traditional Aircraft Engines 08-15-2022, 08:05 AM
Replies: 30
Views: 2,208
Posted By blaplante
A new jug is a temporary fix too. :) If lapping...

A new jug is a temporary fix too. :)

If lapping the valve lasts for 50 hours... I've gotten another year of use out of it. Maybe next year I can get a new jug in less than 6 months.

I've done both...
Forum: Traditional Aircraft Engines 08-14-2022, 08:12 AM
Replies: 30
Views: 2,208
Posted By blaplante
So, for a thought exercise... what can go wrong...

So, for a thought exercise... what can go wrong here?
note) the grit breaks down fairly quickly - as you lap the valve you'll feel less grittyness as you spin the valve, which is partly the valve and...
Forum: RV Building Tips/Techniques 08-10-2022, 08:45 PM
Replies: 12
Views: 1,195
Posted By blaplante
My quadrant is mounted on the panel. No center...

My quadrant is mounted on the panel. No center post for me.
Forum: RV Building Tips/Techniques 08-10-2022, 05:19 PM
Replies: 12
Views: 1,195
Posted By blaplante
I actually took a Cherokee quadrant and made it...

I actually took a Cherokee quadrant and made it work. Had to fab some parts, shorten the arms, and I think I modified it so the cable exit angle was better. Sorry I've forgotten all the details. I...
Forum: RV-12/RV-12iS 08-10-2022, 05:12 PM
Replies: 5
Views: 684
Posted By blaplante
OKB jump traffic & pattern

Beware of two things at OKB:

VERY noise sensitive. You are expected to fly to the I5/coast before turning crosswind when departing 25. Similarly base for 07 is way out there.

right downwind for...
Forum: Traditional Aircraft Engines 08-09-2022, 05:39 PM
Replies: 5
Views: 421
Posted By blaplante
I should be able to help you out. I have a Catto,...

I should be able to help you out.
I have a Catto, and an (I) O-320-H2AD

First thing, I need TAS not IAS. If you don't have a Dynon or something that calculates TAS, then we need actual GS on a 3...
Forum: Traditional Aircraft Engines 08-08-2022, 05:31 PM
Replies: 18
Views: 2,069
Posted By blaplante
Ah, been there. Note the black shiny patches on...

Ah, been there. Note the black shiny patches on the exhaust valve seat area. You should have a nice constant ring, not a bunch of non-interconnected patches. That is lead build up on the exhaust...
Forum: Traditional Aircraft Engines 08-08-2022, 10:28 AM
Replies: 10
Views: 591
Posted By blaplante
To be clear - balanced injectors has nothing to...

To be clear - balanced injectors has nothing to do with CHT.
It is EGT... BUT you aren't looking for equal EGT temps... rather that ALL cylinders hit their peak at the same point in leaning. So 1...
Forum: RV General Discussion/News 08-08-2022, 07:46 AM
Replies: 8
MPG
Views: 921
Posted By blaplante
Google Maps says Raton to St. Johns is 421 miles...

Google Maps says Raton to St. Johns is 421 miles (or 484 NM), so distance covered is substantially shorter. Most of the route is interstate: I-25 and I-40. The one bit that is unfair is that St....
Forum: Traditional Aircraft Engines 08-08-2022, 07:37 AM
Replies: 10
Views: 591
Posted By blaplante
Could be a partially blocked injector or 'spider'...

Could be a partially blocked injector or 'spider' port.
Do a flow test. [4 small bottles for the lines to squirt into]
Should be information around somewhere ex Airflow Performance website on how to...
Forum: RV General Discussion/News 08-07-2022, 04:36 PM
Replies: 8
MPG
Views: 921
Posted By blaplante
I think engine time is tach time, which is based...

I think engine time is tach time, which is based on RPM, so running less RPM on your fixed pitch won't actually cause more engine hours for a given flight. At least that's my understanding.
Forum: RV General Discussion/News 08-07-2022, 12:48 PM
Replies: 3
Views: 467
Posted By blaplante
Which/what CNC

It is one of these https://www.youtube.com/watch?v=nobExDW7gEk
Tormach PCNC 1100 (I think an earlier model)
So 3 axis / mill / router type.

So no 90 degree inside corners due to the bit diameter. ...
Forum: RV General Discussion/News 08-07-2022, 10:58 AM
Replies: 8
MPG
Views: 921
Posted By blaplante
MPG

Given current fuel prices (and a retirement income), I did some more experimentation with LOP operation on my cross country flying (MN to CA). Yesterday flew from KRTN via KLVS, OTO, to KSJN. Flew...
Forum: RV General Discussion/News 08-07-2022, 09:17 AM
Replies: 3
Views: 467
Posted By blaplante
Some CNC ideas?

My nephew has gotten a pretty capable CNC machine... it can cut stainless. Which got me thinking that there must be lots of small things he could make small runs of that would be useful for our...
Forum: Electrical Systems 07-23-2022, 09:12 PM
Replies: 12
Views: 1,066
Posted By blaplante
Free opinion, worth what it cost you.... I think...

Free opinion, worth what it cost you....
I think soldering them will be really difficult. So I'd discard that idea.

I think I'd use a hydraulic crimper, crimp on terminal ends (4 pieces) and bolt...
Forum: RV Ongoing Maintenance Issues 07-22-2022, 11:47 AM
Replies: 10
Views: 1,212
Posted By blaplante
Did you recheck the breakout force? A fish scale...

Did you recheck the breakout force? A fish scale works, I use a luggage scale that holds the peak reading. Check to the left and to the right.
Forum: Traditional Aircraft Engines 07-18-2022, 10:19 AM
Replies: 74
Views: 5,853
Posted By blaplante
Same altitude... MSL or DA? And somehow from my...

Same altitude... MSL or DA?
And somehow from my testing I suspect flying same DA at wildly different temperatures won't be comparable. Just my hunch.
Forum: RV-6/6A 07-16-2022, 09:07 AM
Replies: 10
Views: 1,338
Posted By blaplante
That's a good starting point. The bible is...

That's a good starting point.
The bible is actually the Lycoming operators manual.

https://www.google.com/search?client=opera&q=lycoming+o-360+operator%27s+manual&sourceid=opera&ie=UTF-8&oe=UTF-8
Forum: RV General Discussion/News 07-12-2022, 04:22 PM
Replies: 37
Views: 3,765
Posted By blaplante
Another idea: Lightweight Flywheel? Not a cheap...

Another idea: Lightweight Flywheel?
Not a cheap option. Can save a pound.

Note that the Dynon D3 uses GPS for altitude and airspeed. If the main purpose is as a attitude gyro in a crunch (and you...
Forum: RV General Discussion/News 07-12-2022, 08:55 AM
Replies: 37
Views: 3,765
Posted By blaplante
Electric Gyros are suprisingly heavy. You could...

Electric Gyros are suprisingly heavy. You could put in a dynon D3 and drop around 2 pounds.

My PC680 box is steel. Surprised yours is aluminum.

Whelen Strobe packs vary a good bit in weight. I...
Forum: Electrical Systems 07-11-2022, 09:15 PM
Replies: 4
Views: 666
Posted By blaplante
Mouser!

https://www.mouser.com/c/electromechanical/audio-devices/piezo-buzzers-audio-indicators/?q=sonalert

You can filter by dB, voltage, etc.
Note that aircraft "12 volts" is actually 14 or so when...
Forum: RV General Discussion/News 07-11-2022, 09:10 PM
Replies: 37
Views: 3,765
Posted By blaplante
Gyros?

Do you have conventional gyro instruments? They are surprisingly heavy. Something like a Garmin G5 or Dynon D10a / D6 can shed a few pounds.

Sound deadening material can really add up quick as...
Forum: RV General Discussion/News 07-08-2022, 09:37 AM
Replies: 31
Views: 3,043
Posted By blaplante
I used 1/4 turn Skybolt or equiv. on the upper...

I used 1/4 turn Skybolt or equiv. on the upper firewall. Pleased with that. Later retrofitted them in on the bottom at the firewall. Should have done that originally as the hinges didn't last long...
Forum: Traditional Aircraft Engines 06-26-2022, 09:00 PM
Replies: 13
Views: 1,726
Posted By blaplante
#3 is a classic. 1- Do you have the 'washer...

#3 is a classic.

1- Do you have the 'washer trick' installed?
2- Check at the base of the #3 cylinder where it joins the aft baffle. Frequently overlooked is a tab that is supposed to be bent to...
Forum: RV-9/9A 06-25-2022, 10:43 PM
Replies: 44
Views: 4,559
Posted By blaplante
That's correct, Van's recommends 160HP or less in...

That's correct, Van's recommends 160HP or less in the 9.

Real men put 200+ HP in 'em. Cause it's EXPERIMENTAL and ya can do anything ya want! After all we're sure there's plenty of design margin...
Forum: RV-6/6A 06-25-2022, 06:58 PM
Replies: 7
Views: 643
Posted By blaplante
Also, way back when, Van's sent the gear legs...

Also, way back when, Van's sent the gear legs UNDRILLED. I think I have 2 of those in the crate somewhere.
Forum: Traditional Aircraft Engines 06-23-2022, 04:42 PM
Replies: 26
Views: 2,886
Posted By blaplante
I think most of us start off with bold ideas of...

I think most of us start off with bold ideas of not gluing (w/RTV) our baffles to the engine, but quickly practicality and reality sinks in. And I'm a guy that made my VS top fairing removable,...
Forum: RV-8/8A 06-20-2022, 05:06 PM
Replies: 20
Views: 2,376
Posted By blaplante
Well, ya, that's not going to help!!! A multi...

Well, ya, that's not going to help!!! A multi square inch leak from the upper (high pressure) to lower cowl. I am surprised you can maintain any decent CHT at all.
Forum: Alternative Engines 06-19-2022, 11:52 AM
Replies: 74
Views: 14,669
Posted By blaplante
Reduction Drive?

Is the reduction drive from Yamaha? Is it designed for the thrust load?
Forum: RV Ongoing Maintenance Issues 06-18-2022, 08:08 AM
Replies: 10
Views: 1,495
Posted By blaplante
Hoses... https://www.aopa.org/news-and-media/all-...

Hoses...

https://www.aopa.org/news-and-media/all-news/2018/august/09/aircraft-hoses
Forum: RV General Discussion/News 06-18-2022, 08:04 AM
Replies: 15
Views: 1,848
Posted By blaplante
I 3d printed mine. Another justification for the...

I 3d printed mine. Another justification for the machine!
Forum: RV-7/7A 06-17-2022, 05:36 PM
Replies: 1
Views: 367
Posted By blaplante
Trim the fairing so it does go up that far. The...

Trim the fairing so it does go up that far. The NG leg fairing really only needs to get up to the level of the bottom of the lower cowl.
And the NG leg fairing is supposed to have a hose clamp...
Forum: RV General Discussion/News 06-06-2022, 08:37 AM
Replies: 17
Views: 1,972
Posted By blaplante
One thing not mentioned which might be applicable...

One thing not mentioned which might be applicable --- Lycon does cylinder work that would add about 20 HP to a stock engine via porting. So it is possible to take a 160 HP O-320 and get more HP out...
Forum: RV Ongoing Maintenance Issues 06-04-2022, 09:15 PM
Replies: 23
Views: 12,093
Posted By blaplante
hence why my tip has nutplates and is...

hence why my tip has nutplates and is removable.
think about maintenance when building!
Forum: Engine Monitors 05-23-2022, 06:23 PM
Replies: 6
Views: 663
Posted By blaplante
Very interesting Steve, thanks for sharing.

Very interesting Steve, thanks for sharing.
Forum: Engine Monitors 05-22-2022, 01:36 PM
Replies: 6
Views: 663
Posted By blaplante
I'm pretty sure the VDO probes aren't...

I'm pretty sure the VDO probes aren't thermocouples.
Forum: RV General Discussion/News 05-20-2022, 10:29 AM
Replies: 22
Views: 2,819
Posted By blaplante
A coordinated steep turn shouldn't matter to...

A coordinated steep turn shouldn't matter to float type senders as the fuel shouldn't move outboard in a coordinated turn.

Capacitive senders OTOH, I'm less sure about. Recently doing a calibration...
Forum: RV General Discussion/News 05-18-2022, 10:44 PM
Replies: 46
Views: 6,182
Posted By blaplante
Early morning (like EARLY!) and near sunset are...

Early morning (like EARLY!) and near sunset are great times to fly. The turbulence dies down, the temps are better, and the view is even prettier.
Forum: RV Building Tips/Techniques 05-18-2022, 10:40 PM
Replies: 33
Views: 3,794
Posted By blaplante
I added a stainless panel, with fiberfrax under...

I added a stainless panel, with fiberfrax under it, to the area aft of the cowl, on the underside of the aluminum floor.

So, while we're at it, time to get all that foam rubber off the floor. And...
Forum: RV-9/9A 05-18-2022, 12:06 PM
Replies: 13
Views: 2,486
Posted By blaplante
And...

And I guess we'll never know!
Forum: RV General Discussion/News 05-17-2022, 10:06 PM
Replies: 22
Views: 2,819
Posted By blaplante
Fast Filling & not full

I stopped for fuel in SD a while back. Noted that my bill was less than expected. Checked caps for security and sumped the tanks. Figured out why the bill oddity on start up... they didn't fill...
Forum: Engine Monitors 05-17-2022, 05:08 PM
Replies: 6
Views: 663
Posted By blaplante
Oil Temp Thermocouple Fault - reading high?

I'll fess up, I'm a EEng, and I'm not sure how this could happen, but maybe someone here knows.

Is it possible for a thermocouple sensor to fail / intermittent in a way where it reads HIGH? I know...
Forum: Midwest 05-15-2022, 11:40 AM
Replies: 0
Views: 218
Posted By blaplante
Looking for A&P for Annual near Detroit Lakes MN

Looking for A&P for Annual near Detroit Lakes MN for an RV6. Asking for a buddy. Timeframe would be late June.

Thank you.
Forum: Traditional Aircraft Engines 05-15-2022, 11:35 AM
Replies: 4
Views: 1,144
Posted By blaplante
Alterate?

Yes, I have some info which I can share via private messaging.
Forum: Traditional Aircraft Engines 05-04-2022, 10:47 AM
Replies: 5
Views: 1,174
Posted By blaplante
Looking forward to your measurment! And also...

Looking forward to your measurment!
And also thanks for the education on the flange size. I wasn't aware of that!
Forum: RV Ongoing Maintenance Issues 05-03-2022, 03:28 PM
Replies: 23
Views: 2,622
Posted By blaplante
Carb or Injection? Check the p-lead wiring that...

Carb or Injection?

Check the p-lead wiring that there isn't rubbing / short say on the firewall pass-thru and elsewhere.
Forum: RV Ongoing Maintenance Issues 05-03-2022, 12:15 PM
Replies: 23
Views: 2,622
Posted By blaplante
Hours in service on the mag?

Hours in service on the mag?
Forum: Glass Cockpit 05-03-2022, 09:10 AM
Replies: 17
Views: 2,157
Posted By blaplante
And Ditto for the D10a ... I'd love to upgrade...

And Ditto for the D10a ... I'd love to upgrade that display. No high bright option but if I knew the standard display part number I might find a solution.
Forum: Traditional Aircraft Engines 05-02-2022, 05:44 PM
Replies: 5
Views: 1,174
Posted By blaplante
Curious too

Some time back I bought some exhaust wrap - to put on my intakes. Typical Jegs / Summit stuff. Never got around to installing it.

Many will say it makes no difference because of the small amount...
Forum: RV General Discussion/News 05-01-2022, 08:17 AM
Replies: 37
Views: 4,490
Posted By blaplante
50 ROP

Oh, 50 ROP. Check out https://www.avweb.com/ownership/the-savvy-aviator-59-egt-cht-and-leaning/

Summary - The advice is to run 100 ROP if you are running ROP.
Curious how much that would help you.
Forum: RV General Discussion/News 04-30-2022, 10:46 PM
Replies: 37
Views: 4,490
Posted By blaplante
OK, I had an optical illusion when I looked at...

OK, I had an optical illusion when I looked at the temp sensor pic. However... you are also measuring how much the air was warmed by the exhaust pipes / headers.

#4 is the hottest cylinder, so...
Showing results 1 to 64 of 421

 
Forum Jump

All times are GMT -6. The time now is 05:52 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.