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do you still have tray?

part 43 header ...."pertains to certified or previous certified aircraft".....AFJ article prior to one listed above goes into more detail.

PSRUs are a necessary evil for most conversions and frought with issues. we went through 3 designs and even had inflight failure with a prototype on our c172...I don't recommend the experience. problem is, it takes a lot of resources to develop and build one, way beyond that of most builders...

Thats the problem for most new piston GA tech, it is mostly unaffordable for most. I am curious about what Deltahawk price points will be, but expect it will be much higher than a factory zero time engine….. given that Continental’s diesel conversion for c172 is north of $100k, I expect it won’t...

Not too much exaggerating but depends on gas price and if you take off highway taxes (you can tax rebate for off highway use tax but it’s a hassle keeping receipts and filing for it)…..auto gas in area is now about $2.80/g and it burns about 6.5 gal/hr at average c172 cruise speeds 100 -105kts...

Not sure where you get your failure stats. First off, most (close to 70%) crashes are not caused by equipment failures but of pilot errors. Modern tech can really help in this area, such as large artificial horizons displays and better low fuel indications and even low fuel idiot lights as fuel...

maybe you are right....let's continue to use 1940 cert standards on equipment that was never even conceived of then....better yet, why not simply use the Wright Brothers standards for modern things as flat panels and EFI systems.... and insist on same methods to test compliance such as...

I think you are right RE the real issue with a good EXP auto conversion Our intent with the C172 program was to do all the heavy lifting that most experimenters would not likely have the experience, fancy degrees or skill sets to do themselves.... not to mention time. To do it right it also...

You are correct….. car spark ignition engines produce their effective power band above 2700 rpm, which with a typical prop diameter would cause tips to accelerate too fast and approach Mach speed, which significantly reduces prop efficiency. Thus, need a reduction gear. Diesels usually run...

I thought I’d chime in reluctantly as the original post was about auto conversions and some mentioned about the Toyota aircraft V8 designed and certified in the 1990s. I spoke with one of the engineers on that project as we were designing the V8 GM conversion for our c172. Toyota shut the...

Here’s some images of c172 parts…. Reasonable offers from POA members accepted

Cleaning out hanger, got misc c172k parts not needed after swapping out to experimental engine. Instrument plastic panels $30 Fuel gauges $150 Oil temp and pressure gauges $150 Mixture and carb heat controls $100 Amp meter$50 Attitude indicator and heading indicator $200 each Battery contactor...

I ran into this.....there are a couple of variations....are the slide in connections the same? some units were for direct replace of original stock radios (ARC brand) such as cessna which use a flat connection as generic narcos and others have different type. also, some mk12 have glide slope...

Did you reach out to Aviation insurance resources https://air-pros.com/ I deal with Chris and he's pretty knowledgeable in such unusual request. But as GA continues to shrink, so do the insurance carriers. I was planning on flying my C172 Experimental to Cozumel MX a couple of years back and...

have not found that to be a problem so far.

If your son is motivated and you are considering buying a plane, I would suggest looking for an IFR rated experimental aircraft with a motor capable of burning car gas. There are plenty of good and well built kit planes for sale. I put an automotive engine on a Cessna and my daughter did her...

screw the 4 year aviation degree regardless of the 500 hours it may save for an ATP certificate. get a degree from an online program using your FAA certs for credit while building time, plenty of colleges give you 20-26 units for FAA Certs. You won't get the restricted lower ATP hour benefits...

I would say you may be getting overly concerned about this. When I was a DER we had certain steps in deterring acceptable replacement parts as in your situation where original parts on TC were no longer available. For what it’s worth, I would suggest following: find a switch that will fit in...

amazing that a ridiculous FAA POLICY made a small entity within FAA required an act of Congress and presidential signature to cancel it.

For a cheap and dependable back up AHRS and GPS nav that does not need to meet any TSO I would suggest considering using an old smart phone Velcro’d to instrument panel. There are plenty of free full feature EFIS apps with GPS moving map. I actually used my phone to fly across the country when I...