dgapilot

Try AC 43.13-1b Chapter 11. I’d have to look up the paragraph, but that’s the approved data. Sent from my iPad using Tapatalk

In my book, a change to the basic design of an electrical system would be a change from generator to alternator, change from lead acid battery to a...

How about using something like this? 207BH4S Dixon Valve Brass Bulkhead Anchor Coupling Adapter - 1/4" Fema – HoseWarehouse or 207BH2 Dixon...

And if you went with a bulkhead fitting, why even weld it, just have the tab big enough that you can drill for the bulkhead fitting to go into and...

I don't have an answer to that, just seen a lot of 4130 that someone tried to braze and it looked great on the front. Turn it over and it was really...

But all of that was brazed to 1020 tubing, not 4130. Sent from my iPad using Tapatalk

Most inspectors don’t know anything about little airplanes, much less old (predecessor) regulations. Always take the stance of “show me the...

21.93 only delineates where an STC is required. The definition in Part 1.1 gives the difference between a major Alteration and Minor Alteration, then...

Brazing mild steel is never an issue. I’ve only seen the cracking with brazing 4130. Could be an issue with the type brazing rod, don’t know. ...

I will suggest getting a piece of 4130 sheet and braze something to it. Look at the back side to see if you have any cracks. If they are there, they...

Just to add a couple data points, original Piper tank on my PA-16 is 8.5 lbs. Dakota 24 gallon tank is 12 lbs. I didn’t weigh the covers or other...

The 400w is only a GPS, the 430W is GPS, VHF nav, Glide Slope and VHF Com. Not apples to oranges. Most of the 430Ws I’ve seen used are asking $6k or...

Brazing isn’t a good idea if it is on 4130. May look good on the outside, but likely all cracked on the inside. Not sure if it is the filler metal or...

Several issues would determine if you can solo from the back. First is weight and balance. If alone in the aircraft, are you still within the CG...

Last Piper produced Pawnee was 8156024, so 1981 would be the last PA-25 with a Piper data plate. Sent from my iPad using Tapatalk

Lots of factories built wood spars either with splices, or laminated. Aeronca did it a lot. I have a copy of the Howard process spec for how they did...

Suggest that you take a survey of other PA_18s around the same serial number and look in the wings to see if similar spars are out there. That would...

Normally addressed before cover, not sure if you can bend things to line up after it's covered.

Do you know what mount you have now? It might be possible to do a deviation to your existing CC STC to allow a different engine mount, but you...

If I understand this, the 101950-1 mount is nonexistent? That is a bigger issue that the mount rubbers. Sounds like the STC is pretty much worthless...

I’ve installed many a windshield without removing the retaining strips. Just has to be the hottest day of the year out in the sun! It’s not hard so...

It is in the first part of the definition of “Airworthy” must meet type design or properly altered condition, and be in condition for safe operation....

I've kept a PA-18A-150 up with the engine shut down (and tow rope) for over a half hour from 2000'. I even outclimbed one of the 2-33s that had a...

Curious if anyone has made a similar tool for doing the bungees on a PA-16.. the PA-16 has the bungees forward of the fuselage truss. I’d be...

Flutter is not your friend! Sent from my iPad using Tapatalk

Better yet, but much more expensive would be a Controlex or Teleflex ball bearing cable. Next to no friction, and no lost motion. Sent from my...

Just got a HF tube roller. It would be pretty easy to turn 3 wheels for that to form the 3/8 channel. Sent from my iPad using Tapatalk

I used to tow with my TriPacer, I used one notch of flaps just so I could see out the front. Flew just fine with a sign and no flaps, just couldn’t...