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Search: Posts Made By: M McGraw
Forum: RV-14 Yesterday, 08:01 PM
Replies: 9
Views: 252
Posted By M McGraw
Sniffle valve

You might consider just removing the sniffle valve. Iíve never actually used mine.
Forum: RV-14 08-16-2019, 03:34 PM
Replies: 17
Views: 627
Posted By M McGraw
James, The modification was extremely minor as...

James,

The modification was extremely minor as shown below. I simply did not like that it was on top of the comb because that is a leak. I mentioned it on VAF and DanH suggested I bend and move on...
Forum: RV-14 08-16-2019, 12:16 PM
Replies: 17
Views: 627
Posted By M McGraw
Cylinder temps

Perhaps you could give your engine a few more hours to settle in? My engine took a bit over 100 hours.

The Cylinder #2 spacer is incorporated into your baffles. See Figure 1: Left Forward Baffle...
Forum: RV-14 08-15-2019, 07:48 AM
Replies: 11
Views: 2,345
Posted By M McGraw
-14 performance

I suspect the 9 is a bit more efficient than the 14 due to weight, size, and higher aspect ratio. For the comparison your interested in I believe the best source is the Vans aircraft site under the...
Forum: RV General Discussion/News 08-15-2019, 05:30 AM
Replies: 48
Views: 3,033
Posted By M McGraw
Yep

I agree with this. I tested a whole bunch of stuff to get a feel for my plane after all is said and done I just like certain altitudes and I basically run at about 9.0GPH@2400RPM and let the speed...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 08-13-2019, 03:52 PM
Replies: 0
Views: 178
Posted By M McGraw
Used 5.00-5 tube

Anyone have a couple used 5.00-5 inner tubes they want to discard? I need two or three for a small test project.

Thanks
Marvin
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 08-13-2019, 03:50 PM
Replies: 6
Views: 457
Posted By M McGraw
Thanks

Thanks for the input. I contacted two FBOs on the field. Tiedowns are 12.50/night, first night free with fuel purchase. Fuel is $4.60 self serve. Very reasonable!
Forum: RV-14 08-13-2019, 03:31 PM
Replies: 11
Views: 2,345
Posted By M McGraw
-14 numbers

I will gladly share any data you want; however, I need to know what altitude your interested in and please understand almost all my data is for only 2400RPM (my 2700RPM data is only for finding the...
Forum: RV-14 08-13-2019, 05:08 AM
Replies: 24
Views: 1,775
Posted By M McGraw
Congrats!

I suspect you will enjoy your new RV more and more as time goes by.
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 08-10-2019, 12:14 PM
Replies: 6
Views: 457
Posted By M McGraw
KHWO North Perry Airport

I plan to overnight in Miami this coming Thursday. My friend lives in Hialeah so North Perry looks more RV friendly than KOPF. Does anyone have experience with fuel, tiedown, hangar availability at...
Forum: Electrical Systems 08-06-2019, 07:37 AM
Replies: 10
Views: 539
Posted By M McGraw
I had noise from all my LEDs strobes, landing,...

I had noise from all my LEDs strobes, landing, taxi, wig-wag. It took a while but I did find the culprit. All my headset connections were properly insulated; however, the picture below was the...
Forum: RV-14 08-02-2019, 05:00 PM
Replies: 17
Views: 945
Posted By M McGraw
After speaking with Bob Archer a few years ago, I...

After speaking with Bob Archer a few years ago, I installed mine exactly as you are considering. Mr. Archer liked it very much because the system requires a good ground. He had only one input, ďbe...
Forum: Traditional Aircraft Engines 07-30-2019, 01:44 PM
Replies: 8
Views: 529
Posted By M McGraw
There is a location for the oil drain on the...

There is a location for the oil drain on the lower back of the IO-390. It will drain better. That is where the Vans demo is drained.
http://i64.tinypic.com/2z9flw3.jpg
Forum: RV General Discussion/News 07-30-2019, 09:56 AM
Replies: 4
Views: 223
Posted By M McGraw
Pull

I agree,
If I do another panel, I would put the pull handle on a cable and mount it below the panel with easy access to the pilot.
Forum: RV-14 07-29-2019, 11:58 AM
Replies: 20
Views: 1,844
Posted By M McGraw
Hello, Are you a member of EAA Chapter 17? We...

Hello,
Are you a member of EAA Chapter 17? We meet on the first Monday evening of the month in Building 510 at KTYS airport. We have several active builders and a DAR. I have a flying RV14. We might...
Forum: RV General Discussion/News 07-20-2019, 04:45 PM
Replies: 26
Views: 4,916
Posted By M McGraw
HBC

Came in Thursday. HBC Row 313
Forum: RV General Discussion/News 07-17-2019, 01:48 PM
Replies: 21
Views: 1,798
Posted By M McGraw
Obviously, getting the weight forward helps. If...

Obviously, getting the weight forward helps. If you have small heavy items, like the Claw tiedowns (9Lbs), many people place those just in front of the seats.
Forum: RV-14 07-14-2019, 06:43 PM
Replies: 17
Views: 2,118
Posted By M McGraw
-14

Sandy and I will be in HBC all week with our -14

Marvin
Forum: RV-14 07-09-2019, 08:42 PM
Replies: 14
Views: 1,420
Posted By M McGraw
Kevin Horton has a link to a 4 leg GPS TAS...

Kevin Horton has a link to a 4 leg GPS TAS calibration spreadsheet. I have a G3X system with the standard Vans pop rivet static port. The TAS error is less than 1KT. It may be a test you would enjoy.
Forum: RV-14 07-09-2019, 08:27 PM
Replies: 14
Views: 1,420
Posted By M McGraw
Thank you for posting your data!

My replies are bolded within your quoted post because I’m not very good at message boards. Thank you for taking the time to post your data I like to look at trends and your data gave me a good...
Forum: RV-14 07-07-2019, 12:52 PM
Replies: 7
Views: 1,120
Posted By M McGraw
IO-390 RV-14

I have a very similar aircraft with about 300 hours on her. A standard IO-390 with Hartzell blended airfoil prop and the SDSEFI system. I run my ROP advance 23BTDC which is very close to where you...
Forum: Traditional Aircraft Engines 06-17-2019, 07:24 PM
Replies: 20
Views: 1,617
Posted By M McGraw
I know understand

Hello,
With this additional post I now understand what you were saying. I looked at the data from low to high advance. You posted data from high to low advance, but the data was not linear (i.e....
Forum: Traditional Aircraft Engines 06-17-2019, 11:22 AM
Replies: 20
Views: 1,617
Posted By M McGraw
Different results

I have resisted entering this thread because my information is for an angle valve IO-390 with standard compression and I believe the OP has a parallel valve with higher than standard compression....
Forum: Trip Write-ups 06-14-2019, 04:26 PM
Replies: 132
Views: 35,416
Posted By M McGraw
Will be watching

This is a thread worth watching! Good luck
Forum: RV-14 06-04-2019, 05:17 AM
Replies: 27
Views: 4,780
Posted By M McGraw
Updated post #2

Good morning,

I updated post #2 to explain where I found my strobe, wig-wag noise in my system. Short answer is it was getting in via a metallic panel mounted PTT.
Forum: RV General Discussion/News 06-03-2019, 07:11 PM
Replies: 47
Views: 7,004
Posted By M McGraw
Weíre in!

Sandy and I will be there
Forum: Electronic Ignition Systems 05-24-2019, 08:01 AM
Replies: 39
Views: 3,448
Posted By M McGraw
100 hr

I have the SDS system also. It runs smooth as silk; however, at a little over 100 hours on the Denso iridium IKH27's plugs I noticed a slight roughness. After reading That Bill had tested sparkplugs...
Forum: RV-14 05-19-2019, 01:28 PM
Replies: 33
Views: 4,353
Posted By M McGraw
Yep, that is it

Yep, that is it
Forum: RV-14 05-19-2019, 01:01 PM
Replies: 33
Views: 4,353
Posted By M McGraw
Very close. That is the oil screen. Go one port...

Very close. That is the oil screen. Go one port left in the picture
Forum: RV-14 05-19-2019, 08:07 AM
Replies: 33
Views: 4,353
Posted By M McGraw
My oil drain is on the rear of the engine. I...

My oil drain is on the rear of the engine. I donít have a picture, but there is a post (somewhere) where RVBuilder2002 explains it.
Forum: RV-14 05-18-2019, 08:51 PM
Replies: 33
Views: 4,353
Posted By M McGraw
You should have two of these oil plugs. Choose...

You should have two of these oil plugs. Choose the one on the opposite side of the engine from your Raven tank.
http://i66.tinypic.com/1qfzq1.jpg
Forum: RV General Discussion/News 05-15-2019, 12:35 PM
Replies: 80
Views: 11,338
Posted By M McGraw
I read the old NACA source document a few days...

I read the old NACA source document a few days ago. That data would suggest the NACA vent is a poor choice for an oil cooler. For effectiveness the vent needs lower pressure on the back side and an...
Forum: RV-14 05-15-2019, 06:08 AM
Replies: 19
Views: 2,304
Posted By M McGraw
at 5000' engine idle 1100RPM at 5000' engine off ...

at 5000' engine idle 1100RPM
at 5000' engine off 900RPM

Marvin
Forum: RV-14 05-15-2019, 05:30 AM
Replies: 19
Views: 2,304
Posted By M McGraw
Mount angle

This is a PCU5000X mounted on a -14 with an IO-390. If you have all the data you need, your good to go. The mounting angle can be easily adjusted by you. I installed mine to match the Vans plans...
Forum: RV-14 05-14-2019, 07:51 PM
Replies: 19
Views: 2,304
Posted By M McGraw
PCU5000X

If I understand your question you are referring to the prop governor cycle check during engine runup. I set power to about 1800RPM then cycle the governor to look for movement. I donít really let it...
Forum: RV General Discussion/News 05-13-2019, 07:59 PM
Replies: 80
Views: 11,338
Posted By M McGraw
NACA Vent

Thank you for the information.

My CHTs run in the very low 300s but my OIL temps run around 185-195. I want to throttle the mass flow in exchange for higher CHTs, but I need to do so without...
Forum: RV-14 05-13-2019, 05:05 PM
Replies: 19
Views: 2,304
Posted By M McGraw
Can the sales rep look up the specs from a...

Can the sales rep look up the specs from a previous customer?

I have the PCU5000X on my RV14 with an IO-390 and the Hartzell blended airfoil prop. I’m not home to look up the info but I will PM you...
Forum: RV-9/9A 05-10-2019, 09:35 AM
Replies: 15
Views: 1,531
Posted By M McGraw
Yes there is a way to rig without removing the wingtip

Mark,
I see the pictures of your aileron above. My questions would be how do they look in flight and does the plane fly level without trim?

You have two rod ends for each aileron (one at the aileron...
Forum: RV General Discussion/News 05-08-2019, 05:54 PM
Replies: 80
Views: 11,338
Posted By M McGraw
Oil temps

My normal summer time oil temps are 185 to 195F depending on how hard I run. I have a butterfly valve to reduce winter time oil cooler flow.
Forum: RV-10 05-07-2019, 10:23 PM
Replies: 15
Views: 2,684
Posted By M McGraw
Near gross weight, at what altitude would you...

Near gross weight, at what altitude would you expect the flaps zero (trail) to begin increasing the cruise speed.

A guess from the designer could save me an hour or two of testing, because I’m gonna...
Forum: Places To Fly...Things to See...Things to Eat 05-07-2019, 09:43 PM
Replies: 9
Views: 1,186
Posted By M McGraw
Here is the website

www.gastons.com
Forum: RV General Discussion/News 05-07-2019, 09:07 AM
Replies: 80
Views: 11,338
Posted By M McGraw
Update?

Any update on your progress? Iím in the process of building a cowl flap. However, I will need to lower my oil temps after raising the CHTs. Iím interested in how your oil cooler diffuser worked out.
Forum: RV General Discussion/News 05-03-2019, 11:08 AM
Replies: 50
Views: 4,278
Posted By M McGraw
I waited until this thread appeared to be dying...

I waited until this thread appeared to be dying down so I would not cause too much thread drift.

To answer your question, yes I find advantages to using advance well below 8000’; however, I only...
Forum: RV General Discussion/News 05-02-2019, 12:41 PM
Replies: 50
Views: 4,278
Posted By M McGraw
I would suggest the CHT numbers above indicate...

I would suggest the CHT numbers above indicate excess timing advance for the 390. The chart below is CHT and oil temperatures at high power ROP cruise. The CHT temps are 30 degrees lower despite...
Forum: RV-14 05-01-2019, 06:30 PM
Replies: 12
Views: 1,556
Posted By M McGraw
B&C

I would get the one referenced by Carl. My -14 if fully electrically dependent and uses 17 amps or less in cruise. That alternator will easily produce 30 amps in cruise.
Forum: RV General Discussion/News 05-01-2019, 04:54 PM
Replies: 50
Views: 4,278
Posted By M McGraw
Post #46 in the following thread will explain how...

Post #46 in the following thread will explain how I got to the advance numbers below:
http://www.vansairforce.com/community/showthread.php?t=150828&highlight=N829MS&page=5

I have a bit of data on...
Forum: RV-14 04-29-2019, 09:46 AM
Replies: 33
Views: 4,353
Posted By M McGraw
Sorry, I can’t remember the fittings and hoses...

Sorry, I can’t remember the fittings and hoses and I won’t have my cowling off anytime soon. Tom at TsFlightlines made the hoses for me, he may have kept records. Raven has two tank sizes you May...
Forum: RV-14 04-29-2019, 08:26 AM
Replies: 9
Views: 1,189
Posted By M McGraw
I have the full Garmin with Y/D. You wonít need...

I have the full Garmin with Y/D. You wonít need the Y/D the -14 has very little dutch roll. I have the Aerosport trim system and it is a very nice design, but again I seldom use it because I use a...
Forum: RV-14 04-29-2019, 08:13 AM
Replies: 33
Views: 4,353
Posted By M McGraw
This the only picture I could find of the Half...

This the only picture I could find of the Half Raven installed in my -14. The tank is installed where the battery should be; the battery has been moved between the subpanel and the firewall. You can...
Forum: RV-14 04-28-2019, 05:42 PM
Replies: 14
Views: 1,984
Posted By M McGraw
Been there

I welded in a small piece of metal the thickness of a washer and re-drilled. Your not the first. Weld and move on, it will be okay.

http://i65.tinypic.com/n3vgy8.jpg
Forum: Glass Cockpit 04-15-2019, 10:39 AM
Replies: 10
Views: 895
Posted By M McGraw
Will Flight Plan Go transfer the flight plan to...

Will Flight Plan Go transfer the flight plan to G3X Touch like GP and Foreflight? If so, I will give it a try.
Thx
Forum: Safety 03-31-2019, 09:57 AM
Replies: 1
Views: 449
Posted By M McGraw
I have one in your weight range, Iíve never used....

I have one in your weight range, Iíve never used. Iím a bit heavier. I paid $1,800, make a reasonable offer privately. If your interested PM or email and I will send pictures and info.
Forum: RV-10 03-26-2019, 04:41 AM
Replies: 5
Views: 558
Posted By M McGraw
Diameter

A 15x6.00-6 is smaller diameter, approximately 14.75”. A standard 6.00-6 is approximately 17.75”.
Forum: RV General Discussion/News 03-12-2019, 04:50 AM
Replies: 23
Views: 2,011
Posted By M McGraw
If Vans recommends you spend money to replace the...

If Vans recommends you spend money to replace the starter, you should read the thread linked in post #2 and consider an NL starter. The NL is not a permanent magnet starter and gives your...
Forum: Glass Cockpit 03-11-2019, 12:14 PM
Replies: 11
Views: 1,136
Posted By M McGraw
Yes

I mounted a car camera (similar to the one in the OP) under my left wing in the inboard access panel. It allows me to see the landing gear during taxi. The G3X will accept any composite video input....
Forum: RV General Discussion/News 03-10-2019, 01:22 PM
Replies: 23
Views: 2,011
Posted By M McGraw
Skytec permanent magnet starter

http://www.vansairforce.com/community/showthread.php?t=162904&highlight=Skytec+starter

This thread has some information
Forum: RV Ongoing Maintenance Issues 03-04-2019, 06:17 PM
Replies: 15
Views: 1,548
Posted By M McGraw
Earls flex line

I did the same type of conversion to flexible SS last month. I cut and flared the aluminum tubing. Used a male to male adaptor and Earls SS hose from the Summit Racing website. I can send you the...
Forum: RV-14 03-03-2019, 03:51 PM
Replies: 11
Views: 2,345
Posted By M McGraw
Agreed

Agreed, What I posted was 75% power numbers because that was the OP’s question, maximum performance. I always cruise at 2400RPM and get closer to the numbers Scott references. I have tried many...
Forum: RV General Discussion/News 03-02-2019, 08:04 AM
Replies: 23
Views: 3,289
Posted By M McGraw
Sound off?

I would be interested to know who is attending.

Sandy and plan to arrive Thursday weather permitting.

Marvin
Forum: RV-14 03-02-2019, 07:49 AM
Replies: 11
Views: 2,345
Posted By M McGraw
Agree with Nova RV

My data agrees with Nova RV. With an IO390 and the Hartzell blended prop as recommended by Vans you should get closer to 180KTAS. My normal flight pattern is to plan for 170KTAS at ~9GPH beginning of...
Forum: Northeast 02-13-2019, 05:09 AM
Replies: 144
Views: 61,034
Posted By M McGraw
Alton Bay

Dave,
Keep posting the videos. It may be the closest I get to Alton Bay. My youngest son and I tried a few years ago. It is difficult to get winter weather good enough from Tennesse to Alton Bay and...
Forum: RV General Discussion/News 02-10-2019, 02:19 PM
Replies: 20
Views: 3,681
Posted By M McGraw
Handle label

Hello Luke,
Would it be possible to label the canopy handle with an Open-Closed label. If there is no room could it be stiched into the panel just above/below the handle or engraved on the black...
Showing results 1 to 62 of 435

 
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