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Search: Posts Made By: Larry DeCamp
Forum: RV General Discussion/News Yesterday, 01:44 PM
Replies: 9
Views: 651
Posted By Larry DeCamp
Thanks to all, that helps.

I will load 2,700 RPM for 'Tach time" base assuming TBO is based on the potential to run 2700 all the time.
Forum: RV General Discussion/News 11-16-2018, 06:36 PM
Replies: 9
Views: 651
Posted By Larry DeCamp
Hobbs time definition, a moral question ?

I have a new Flight Data Systems tachometer in my 3B/0320. I have read the discussion re: tach vs. hobbs. This instrument has two options, time starts at start-up ( ie. Tach Time ) or “ what is your...
Forum: Electronic Ignition Systems 11-15-2018, 06:08 PM
Replies: 28
Views: 3,580
Posted By Larry DeCamp
Shottkey diode

I bought one recommended here on VAF. It had huge amperage rating but the attractive part was relatively low voltage drop. If anyone wants details, I will dig up the info.
Forum: RV-4 11-15-2018, 05:10 PM
Replies: 14
Views: 768
Posted By Larry DeCamp
What size vent and source ?

Good info from all,thanks much. Vans website is hard to find a suitable specimen and ACS is also limited. What size and where to buy ??
Forum: Electronic Ignition Systems 11-15-2018, 06:28 AM
Replies: 28
Views: 3,580
Posted By Larry DeCamp
Alan’s point #6

The Chinese boards Dan found sound great. I have a simple switch to isolate the second ignition buss from diode supply And a blue sea volt meter on the panel. First step on startup is check voltage...
Forum: RV-4 11-13-2018, 06:12 PM
Replies: 14
Views: 768
Posted By Larry DeCamp
Thanks to all !

VAF is the greatest. This is what I was looking for. Please forward the email,PM etc to help me do this.
Forum: RV-4 11-13-2018, 07:27 AM
Replies: 14
Views: 768
Posted By Larry DeCamp
NACA vent in the cheek cowl ?

Sam Jones no longer offers cheek cowl so I will fabricate from scratch. I read here about An RV4 that had NACA inlets on the bottom of the cheeks that workwell. Does anyone know how to contact that...
Forum: RV-7/7A 11-11-2018, 05:52 PM
Replies: 3
Views: 716
Posted By Larry DeCamp
Same question 😒

I have Grove wheels and Michelin tubes. More hardware than places to put it.
Forum: RV-4 11-09-2018, 03:49 PM
Replies: 4
Views: 377
Posted By Larry DeCamp
Rocker cover clearance ?

Thanks Rick,will shorten and build on. It sounds like we have the same hardware. Also, the cowl only clears the rocker covers by a finger thickness as you run your hand across the top of the covers....
Forum: RV-4 11-09-2018, 09:46 AM
Replies: 4
Views: 377
Posted By Larry DeCamp
Sam James cowl hits Superior oil dipstick

I am fitting the Sam James cowl on the RV4 with Superior XP 0360. The oil dipstick tube is too long and contacts the cowl . Has anyone else experienced this and what was your solution? I have a...
Forum: RV Ongoing Maintenance Issues 11-08-2018, 06:31 AM
Replies: 8
Views: 610
Posted By Larry DeCamp
Feedback from Odessey & Earthx

The question is “ how to check battery condition without an external load and amperage monitor? “
My proposal was to monitor voltage under normal use loads and confirm the time to cause a specified...
Forum: RV General Discussion/News 11-04-2018, 08:00 PM
Replies: 8
Views: 740
Posted By Larry DeCamp
Just an opinion

Priming takes a lot of time, adds weight and gets scratched through where you can’t see it during the build.IF you move to the sea coast or see something you don’t like, spray it with Boesheild after...
Forum: RV Ongoing Maintenance Issues 11-03-2018, 05:13 AM
Replies: 8
Views: 610
Posted By Larry DeCamp
DoD tolerance ?

BillL makes a good point regarding depth of discharge affect on battery health/longevity. Since discharging to a specified voltage over time is frequently referenced as THE reserve capacity...
Forum: RV General Discussion/News 11-01-2018, 11:36 AM
Replies: 9
Views: 837
Posted By Larry DeCamp
U-phone it

Works great. Great service. Two controllable outputs.
Forum: Traditional Aircraft Engines 11-01-2018, 09:28 AM
Replies: 8
Views: 937
Posted By Larry DeCamp
Lead for valve health required ?

I asked Superior engines if leaded fuel was required for breakin and valve health for my IO EXP 360. Here is the answer I received :

"There is no metallurgical benefit to operating the engine during...
Forum: RV-10 10-31-2018, 08:17 AM
Replies: 5
Views: 622
Posted By Larry DeCamp
Leaded wives tail ?

Does anyone have current facts about the metallurgy requirements for lead in Lyc/Superior etc. engines ? Octane for preignition is a separate issue,please.
It feels like this unsupported wives tail...
Forum: RV Ongoing Maintenance Issues 10-31-2018, 06:54 AM
Replies: 8
Views: 610
Posted By Larry DeCamp
Thanks Ross

My goal here was to avoid any set up on the bench requiring an ammeter etc. You have done an excellent job of posting your current demands for various configs. I am proposing to periodically ( while...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-31-2018, 06:38 AM
Replies: 4
Views: 316
Posted By Larry DeCamp
2 more

I have two if you still need them.
Forum: RV Ongoing Maintenance Issues 10-30-2018, 07:41 PM
Replies: 8
Views: 610
Posted By Larry DeCamp
EI Battery capacity test ?

I have read the process for loading the battery with a “ known wattage” and then time the decay to a specified level such as when your EI CPU will quit. I have my RV4 set up with two totally...
Forum: RV-10 10-30-2018, 09:27 AM
Replies: 6
Views: 460
Posted By Larry DeCamp
Mconner suggestion

Just align the hole in the nut with the axle hole. Either shim the gap ( nut to felt wiper ring ) or face the nut in a lathe or sanding disk until the next hole matches the axle while the bearing has...
Forum: RV-10 10-30-2018, 06:50 AM
Replies: 6
Views: 460
Posted By Larry DeCamp
Grease seal aluminum insert rings.

These rings can vary in thickness as well as the bearing seat depth in the wheel halve. If the nuts were ever matched perfectly to the axle hole, you could have disturbeb it by mixing components in...
Forum: RV Building Tips/Techniques 10-28-2018, 09:15 AM
Replies: 8
Views: 693
Posted By Larry DeCamp
Surface prep

Thanks Charlie.
I just used the 2216 to hold the parts together for fab AND fill voids from future potential corrosion. The 1/8" rivets do the heavy lifting. I just scuff and clean with acetone for...
Forum: RV Building Tips/Techniques 10-28-2018, 07:09 AM
Replies: 8
Views: 693
Posted By Larry DeCamp
Clarification & detail on 063

Comforting to hear I am not the only one with issues. Regarding strength, I should clarify I laminated two layers of 063 AL around the axle bracket with 3M 2216 and rivets. The longer 063 piece...
Forum: RV Building Tips/Techniques 10-27-2018, 05:21 PM
Replies: 8
Views: 693
Posted By Larry DeCamp
James wheel pants “ heads up “

Fitting the wheel pants on my RV4 with Desser 500x5 retreads. Full disclosure, Sam has been helpfull in a couple phone cons and nothing negative here.
The outboard + for the axle bolt was too high on...
Forum: RV General Discussion/News 10-20-2018, 05:32 AM
Replies: 29
Views: 2,265
Posted By Larry DeCamp
Bob Knuckles input in DC switches

FWIW, I recently read Bob’s treatise on switch ratings and failure mode. He ascerts the 12V DC rating is about the same as the 125v AC rating for reasons stated in his literature.
Forum: RV-4 10-08-2018, 05:57 PM
Replies: 2
Views: 507
Posted By Larry DeCamp
Wheel pants alignmet ?

I am installing James pants on Vans gear and mount. The gear has toe in defined by the mount and gear factory drilled holes. The fuse is suspended so the gear is in the FLIGHT orientation. My...
Forum: Steam Gauges 10-06-2018, 12:44 PM
Replies: 6
Views: 1,570
Posted By Larry DeCamp
Vans guages available

I have two fuel level guages and a voltmeter with 10 hrs on them on the shelf.
decamplarry@gmail.com
765-505-1160
Larry
also, an MGL RV-1 tach and Gmeter if interested.
Forum: RV-14 10-01-2018, 06:42 AM
Replies: 25
Views: 4,147
Posted By Larry DeCamp
Dan H question ?

3M Fire barrier 2000 really sticks to aluminum well and is GRAY. Any reason not to use it for sealant ?
Forum: Engine Monitors 09-12-2018, 10:19 AM
Replies: 0
Views: 257
Posted By Larry DeCamp
MGL RV-1 Tachometer help ?

My MGL RV-1 tach will NOT register below 800 RPM with the sensitivity at max. It reads 0 at at all speeds with sensitivity less than full clockwise. It is connected to a Pmag ignition tach signal....
Forum: Traditional Aircraft Engines 09-10-2018, 04:56 PM
Replies: 17
Views: 1,863
Posted By Larry DeCamp
Other age related issues

Mag shops tell me in addition to Egap, magnet “remagnetizing “ is a key to spark strength. I experienced it first hand on an antique engine, night vss day on hand prop hot starts .
Forum: Traditional Aircraft Engines 09-09-2018, 08:59 AM
Replies: 19
Views: 2,487
Posted By Larry DeCamp
Steve and Carl comments re : 2 plug flame front.

I am not nearly as knowledgeable as previous posts, but I can add an experience. While leaning my carbed 0320 at low altitude " like a cessna student pilot" it still felt a little rough after some...
Forum: RV General Discussion/News 09-05-2018, 05:41 AM
Replies: 12
Views: 1,145
Posted By Larry DeCamp
ACS silicone is a good option

ACS blue hose with silicone liner is excellent for this application.AntisplatAero supplies it with their vent kits.
Forum: RV-4 09-02-2018, 12:03 PM
Replies: 3
Views: 627
Posted By Larry DeCamp
FWI re: component accuracy

:eek:
This may not be unique to RV4 ? I set up the aileron torque tube push rod weldment in my milling machine and rebored the stick bolt holes parallel with the push tube heim joint bolts. Now the...
Forum: RV-4 08-31-2018, 05:40 AM
Replies: 3
Views: 627
Posted By Larry DeCamp
Progress report

I have measured the bellcranck weldment on the stick torque tube. The bolt holes for the pushrod heimjoints are accurately equidistant from the torque tube centerline. So displacement should be...
Forum: RV-4 08-29-2018, 08:00 PM
Replies: 3
Views: 627
Posted By Larry DeCamp
Aileron push rod travel ?

While setting up my roll servo I noticed the aileron pushrod travel is not equal/symetrical in both directions. Ie. with the stick perfectly centered in the fuse frame, the extreme aileron pushrod...
Forum: RV General Discussion/News 08-28-2018, 06:31 AM
Replies: 5
Views: 724
Posted By Larry DeCamp
Another easy fix

John,
The balsa wedge and tape suggested is a good solution. Another is a Gurney flap, google it. They are very powerful nearly invisible. I have one on an aleron and rudder. The aileron is only...
Forum: RV Ongoing Maintenance Issues 08-22-2018, 06:16 AM
Replies: 21
Views: 2,584
Posted By Larry DeCamp
Push down

You probabably know this but I picked up a helpful tip here on the forum. With the lock lever flipped up, push it down . Then rotate/lift the cap out. I use EZ turn and this procedure makes it very...
Forum: RV-7/7A 08-19-2018, 05:54 PM
Replies: 10
Views: 1,689
Posted By Larry DeCamp
Cosmetic

Bend it flat and move on. Thats heavy fill primer and sanding block is for !
Forum: RV General Discussion/News 08-07-2018, 05:25 AM
Replies: 14
Views: 2,135
Posted By Larry DeCamp
Thumbs up Aerospace certified epoxy.

Checkout 3M 2216. You can stop drill where appropriate. Apply backing aluminum where advisable all bonded AND filled with 2216. $50 for the kit of tubes at ACS.
Forum: RV Building Tips/Techniques 08-05-2018, 06:11 PM
Replies: 4
Views: 730
Posted By Larry DeCamp
CIES fuel sender status ?

Last I heard there is nothing for an RV. Has anyone bought a standard product and made it work in RV. I respect they don’t have any incentive to suggest a config that might work but RV people are...
Forum: RV-12 07-29-2018, 06:55 PM
Replies: 47
Views: 15,735
Posted By Larry DeCamp
What am I missing?

I purchased Loctite 567 recently because it is so highly recommended here. However, I have used Locktite 515 for years on cars, antique airplanes and my first RV. I get the teflon lubrication. Both...
Forum: RV General Discussion/News 07-28-2018, 01:17 PM
Replies: 50
Views: 8,878
Posted By Larry DeCamp
Ditto tool builder

I have a Skydynamics on my 0320 -3. Both Skydynamics and Ross say no way to add CPI. However, I am investigating bolting magnet holders on the skydynamics because I am dying to put one of my CPI's...
Forum: RV-4 07-26-2018, 08:09 AM
Replies: 5
Views: 731
Posted By Larry DeCamp
Thanks Mike

Got any pics of footwell path .
Decamplarry@gmail.com
765-505-1160
Forum: RV-4 07-26-2018, 06:35 AM
Replies: 5
Views: 731
Posted By Larry DeCamp
Flop tube question

My project has a flop tube in the left wing. It will require extra elbows or sharp tubing bends to bring the tube to selector valve without routing it through the left footwell. Extra elbows are to...
Forum: RV-14 07-25-2018, 04:39 PM
Replies: 16
Views: 2,083
Posted By Larry DeCamp
Also Confused

I am taking away from this discussion that the Garmin servo can function as the trim OR communicate with a Ray Allen , YES...NO ?
Forum: Traditional Aircraft Engines 07-25-2018, 03:04 PM
Replies: 7
Views: 878
Posted By Larry DeCamp
Pics and diagrams

Search Dan Horton. I believe you will find oil circuit diagrams and ball valve pics have been posted.
Forum: RV-4 07-20-2018, 10:27 AM
Replies: 2
Views: 556
Posted By Larry DeCamp
G3EXPERT Question > Roll Servo

What relationship of servo leverage vs. degrees of rotation give the best performance ? I assume if the push rod link is attached to smallest radius on the servo arm and the radius of the torque tube...
Forum: RV-4 07-20-2018, 09:20 AM
Replies: 2
Views: 476
Posted By Larry DeCamp
RV4 fuel selector valve location question ?

The drawings show the fuel selector valve in the forward left corner of the control stick "box". This would require me to loosen shoulder harnesses to reach in flight. That's not a show stopper for...
Forum: RV General Discussion/News 07-14-2018, 05:33 AM
Replies: 4
Views: 639
Posted By Larry DeCamp
Interesting delimma

The late Jim Wings suggested to me to use nut plates for the front bolts of the RV4 horizontal stabilizer for access. He had tested nuts and nutplates to failure to prove the substitution was...
Forum: Electronic Ignition Systems 07-13-2018, 05:14 PM
Replies: 68
Views: 6,785
Posted By Larry DeCamp
One more opinion

Pmags:
Easy to install and time,about the size of mags.
Redundacy,both Pmags run off the buss or the internal power supply, so 3 sources of electrons to get on the ground.
A negative is mechanical...
Forum: Glass Cockpit 07-12-2018, 07:44 PM
Replies: 8
Views: 666
Posted By Larry DeCamp
Thanks for the help.

I did not catch in the installation instruction that it will auto calibrate. My MGL did exactly that and works well. Thanks again...Larry
Forum: Glass Cockpit 07-12-2018, 03:12 PM
Replies: 8
Views: 666
Posted By Larry DeCamp
Bjorn response

The longerons are not parallel,but a fuse center line vector could be established within the dimension of a string. The issue I perceive to be unrealistic is the fact that .5 degree over the length...
Forum: Glass Cockpit 07-12-2018, 11:20 AM
Replies: 8
Views: 666
Posted By Larry DeCamp
Unhappy Garmin GMU11 alignment question ?

Garmin told me they just do electronics," ask the RV community". So,the issue is the magnetometer should align within .5 degree with longitudinal axis of the fuselage. OK, I can define the axis with...
Forum: RV Building Tips/Techniques 07-10-2018, 03:38 PM
Replies: 15
Views: 2,500
Posted By Larry DeCamp
Thanks Dan, will check my math

Anyway, I just talked to air flow Performance and they said experience suggests use a 4" supply to assure there is more than enough. Logically. the cooler performance potential is determined by the...
Forum: RV Building Tips/Techniques 07-10-2018, 10:22 AM
Replies: 15
Views: 2,500
Posted By Larry DeCamp
A Dan Horton question ?

How much air to feed an oil cooler. There are many comments on OT control and 13 row oil coolers. I returned my standard issue 7 row to Van and will purchase AFS 10 Row for my parallel 0360. A 10 row...
Forum: RV General Discussion/News 07-10-2018, 09:26 AM
Replies: 39
Views: 3,421
Posted By Larry DeCamp
Reservor on the brake cylinder 👍

Paul Dye advised me on my 3B build that he had good results with the cylinder mounted reservoir . I use TS flightlines stainless hose and firewall bulkhead fittings. Fill from the bottom like Paul...
Forum: RV-12 07-08-2018, 01:56 PM
Replies: 24
Views: 3,771
Posted By Larry DeCamp
Swift 102 price

Home base for Swift is Purdue University in Indiana. They are executing a marketing evaluation and recruiting airports to give away 102 just to get user feedback,probably for marketing use. They told...
Forum: My RV Build Project 07-06-2018, 06:53 PM
Replies: 389
Views: 182,679
Posted By Larry DeCamp
David, I admire your work 👍

If you are ever the mood to sell, please put me first on your call list..Larry
Forum: RV-9/9A 07-05-2018, 07:24 PM
Replies: 7
Views: 755
Posted By Larry DeCamp
Good timing on this topic !

After reading recent comments on oil temperature, I investigated my options for my IO360/8:5 application today. Vans sent me a 7 row with my baffle kit. Bill (AFS) suggested a 13 row because you RV...
Forum: RV General Discussion/News 07-03-2018, 07:44 PM
Replies: 11
Views: 1,121
Posted By Larry DeCamp
Put this in perspective !

Think about the hours you spent in a C150 or C172. If it didn’t quit you were good ��
Forum: RV-4 07-03-2018, 06:03 PM
Replies: 6
Views: 585
Posted By Larry DeCamp
Thanks Eric

So what should I replace it with ?
Forum: RV-4 07-03-2018, 05:37 PM
Replies: 6
Views: 585
Posted By Larry DeCamp
0360 / 180HP oil cooler Question ?

Van’s supplied me with a Niagra 2002A 7 row cooler with my 0360 baffle kit.
I have read the archives regarding screens, vernatherm seating, sensor location, more rows, double pass etc. Assuming the...
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