Part-time side hustle had me taking a thing to a place to get a person(s), hence this late push on the weekend edition. On the plus side we taxied by this beautiful RV-10 in Georgia.
Crummy WX here in N.TX starting the weekend - hope better in your location.
Wishing you and yours a happy, safe and RV-filled weekend.
v/r,dr
EZ-PORT, another data point ...
If you decide to change the rivet static "port" to something more in keeping with aircraft quality & durability, I make a static port out of a ground & polished HiLok fastener which has the flexibility of being able to tighten it down in the fuselage with a conventional 10-32 hex nut (with washer): and, for coupling (read sealing), you can screw on a barbed fitting or appropriately sized PC (Push-to-Connect) fittings. If you have any interest, please let me know - or make them yourself - I'll send you a couple of HiLoks for free if you want to modify them yourself ...
I finally made it to the hangar and did a preliminary run. Ran into some problems with my tach signal. It appears the nuts and washers used to mount the prop are reflective enough to produce multiple false tach signals per revolution. I was able to mitigate this some by spacing the sensor out with washers below the angle, and decreasing the pulse width for LED modulation. This was enough to get me a clean tach signal at lower RPMs, but when I did a full throttle runup I would start having problems again.
Too late for George, but wheel pants are best done in the comfort of the home shop. The -8 and all the models with motor mount legs can be jigged up and completed early in the game. I've done 'em on my knees in a hangar, and the difference is night and day.
These mounts took minimal time to make, are light, cost nothing (made from left-over material) and hold the camera mount perfectly still. They've been tested to Vne and both high and low G's. They also hold the Triangle I made for aerobatics, when I want to use it. Speed loss... zero.
This next one might or might not be useful. I used it mostly on my leading edge fuel tanks, which are a lot different than the RV-15s have. I used C-clamps as supports to prevent the Rocker from rocking. The C-clamps added a third contact point for stability while being easily adjustable. I recommend two C-clamps for assurance that one won't flip out of the way.
As with the Tees, the Rocker was deep enough to prevent interference with the clecoes. Unfortunately the photo didn't pick up on it but the two sides are held together with pipe and pipe ends. You can see its shadow.
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Crummy WX here in N.TX starting the weekend - hope better in your location.
Wishing you and yours a happy, safe and RV-filled weekend.
v/r,dr
RV-12A Engine Mount Cracks
I might be wrong, but I think I've seen a mount on newer 12 that had gussets welded on inside surface of engine attach fittings. This would allow easier visual inspection of the tubing with the gusset welded on the back side. So, possibly a 3rd iteration of the RV-12 engine mount... You are...
vansairforce.net
EZ-PORT, another data point ...
If you decide to change the rivet static "port" to something more in keeping with aircraft quality & durability, I make a static port out of a ground & polished HiLok fastener which has the flexibility of being able to tighten it down in the fuselage with a conventional 10-32 hex nut (with washer): and, for coupling (read sealing), you can screw on a barbed fitting or appropriately sized PC (Push-to-Connect) fittings. If you have any interest, please let me know - or make them yourself - I'll send you a couple of HiLoks for free if you want to modify them yourself ...
Is the static port on my 2006 RV-7 REALLY just a pop rivet?
I had the first ever pitot/static check done on my (new to me) 2006 RV7 (after installing a GPS175). There was a "big leak" right at the fitting that connects the static tubing to the port. Per the PS guy (this is all he does and has been doing it for years), the static port in RV's is just a...
vansairforce.net
Arm Rests…
I’m sure there have been, but has anyone not installed the arm rests? I got my seat backs assembled and sat in the cabin for the first time and clecoed on the arm rest. It just felt like it sucks up a lot of elbow room. Now granted I was sitting on the floor and not a cushion but I feel like...
vansairforce.net
I finally made it to the hangar and did a preliminary run. Ran into some problems with my tach signal. It appears the nuts and washers used to mount the prop are reflective enough to produce multiple false tach signals per revolution. I was able to mitigate this some by spacing the sensor out with washers below the angle, and decreasing the pulse width for LED modulation. This was enough to get me a clean tach signal at lower RPMs, but when I did a full throttle runup I would start having problems again.
DIY dynamic prop balancer?
The author found quite a bit of delay between the readings and the actual data. Is this related to algorithmic delays when applying filters to the sample data? The higher shape factors have inherently increasing delays as additional samples must be collected in the buffer before they can be...
vansairforce.net
Too late for George, but wheel pants are best done in the comfort of the home shop. The -8 and all the models with motor mount legs can be jigged up and completed early in the game. I've done 'em on my knees in a hangar, and the difference is night and day.
Too Much Cooling?
I'm 11 hours into phase 1 and I'm pretty sure I've completed break in several hours ago (oil consumption stabilized and I've not consumed any oil in the last 4 hours). I started to do some endurance and max range testing, and my question is if I'm over cooling my engine/oil. As a note: I don't...
vansairforce.net
These mounts took minimal time to make, are light, cost nothing (made from left-over material) and hold the camera mount perfectly still. They've been tested to Vne and both high and low G's. They also hold the Triangle I made for aerobatics, when I want to use it. Speed loss... zero.
My CNC machined wing tip insta 360 camera pole mount
I was not a fan of any of the pole mounts available online. A lot of the big brands use a poor design that does not contour to any curvature on the wing with out putting the bolts or rod in bending, and they have a larger form factor. My goal was a low profile mount that I could leave on when...
vansairforce.net
This next one might or might not be useful. I used it mostly on my leading edge fuel tanks, which are a lot different than the RV-15s have. I used C-clamps as supports to prevent the Rocker from rocking. The C-clamps added a third contact point for stability while being easily adjustable. I recommend two C-clamps for assurance that one won't flip out of the way.
As with the Tees, the Rocker was deep enough to prevent interference with the clecoes. Unfortunately the photo didn't pick up on it but the two sides are held together with pipe and pipe ends. You can see its shadow.
Flipping the wing
Anyone come up with a simple / safe way to flip the wing with 2 people? When clecoing the skins on with the LE not in place, there is no way to set it safely on either the leading or trailing edge. Aft, there are skins to bend. Fwd, there are unsupported LE ribs, wiring, etc. With 2 people...
vansairforce.net
OFF TOPIC:
Please consider donating annually to help keep this American 1-person pirate ship afloat:
THE VAF LIST (a list of RV-related lists)
https://vansairforce.net/threads/the-vaf-list-a-list-of-rv-related-lists.223964/
Get your VansAirForce.net Charity Cap!
VAF Charity Cap: Help your charity and promote this site.
Get the cap all the cool kids are wearing! I don’t get a penny. It’s around $15. $5 more if you want your N-number on the back (I put 'STAFF' on the back of mine because it makes me laugh. Put STAFF on yours too if it makes you smile). And down the road $10 to the charity of your choice...
vansairforce.net
Past ‘VAF News’ issues:
Doug's Area ...The VAF News, About VAF, My Resume
Pushed out every now and then.
www.vansairforce.net
