How many issues can you find?

[BillL]

It was interesting looking at others work, but really not too surprising considering the mass of homebuilts I have seen at OSH in the past decades. The RV group stands as a bright spot as a whole.

Specifically, my lycoming manual says a max of -2psi at the inlet to the mechanical pump. I assume that is at max fuel flow. Clearly there needs to me a temperature limit too, but I have not found one. It would seem that rather than point to this and that as bad, a good "installation" test with some numbers would allow some design/build flexibility against a hard standard. Hmmmm - - This subject might make a good article for Kitplanes.

I certainly agree that we should approach safety items (as herein) with constructive criticism and not an elevated mocking tone. The objective is to improve and promote safe practices, not to insult others or their work.

[Mike S]

Originally Posted by BillL

I certainly agree that we should approach safety items (as herein) with constructive criticism and not an elevated mocking tone. The objective is to improve and promote safe practices, not to insult others or their work.

Bill, most eloquently put.

Right On.

[rbibb]

I agree with Steve's comments. Something about the whole tone of the discussion just started bothering me. While I'm all about safety and education I just didn't like the way this ended up going without the builder subject to the comments not being able to defend himself.

'nough said, this is still better than looking at cat videos on Facebook.

[meloosifah]

All I can say is that this is why I hate the internet and all forms of social media. Someone actually refererred to the "tone" of the thread?!?! Are you serious? Tone implies hearing and these are simply written words. To get upset about the tone of a written article is absurd. Let me give an example. I say "you're an idiot." Am I insulting someone and challenging them to a dual to the death or am I telling my kid brother that I love him? You see, there is no "tone" involved. The tone is what you would "hear" that would tell you if that comment is meant to be angry, degrading, sarcastic or loving.

For the record, the builder lost all rights in my opinion, when he sold this plane. The owner now has every right.

I guarantee if you sell me **** that you installed and it threatens the life of my kids, it WILL be on this site, WITH your name right beside it. I think it is great reatraint that the builders name is not on here. However, Just because he screwed something up in one area doesn't mean the whole project is bad.

Bottom line, if we can't learn from other peoples mistakes we are doomed to repeat them. I don't know the first thing about injection installation but I am planning an m1b1 so this thread is getting tagged. Most of us learn better from what's wrong than what's right.

I bought a slightly misrepresented project and I guarantee that there are going to be pictures up here one day without the builders permission (or name) asking for advice/review/suggestions and simply so others can see what experienced people (including tech counselors) will pass off as "great workmanship". And in my opinion he only acceptable response from the builder or the tech counselor would be gratitude that their names are not in the captions.

I would expect nothing less from any of you and HIGHLY value the opportunity to learn from all this.

[flyboy1963]

hmmmm,

I like a thread that shows best practices; I guess we wouldn't know what that was without a 'bad' example.

in this case, what some comments miss is the 'why'.

" don't zip-tie to the engine mount BECAUSE it can wear thru the tube over time..."

then guys like us can learn from this.

Most of the thread has become about the builder, which will end up with it being closed....
have we forgotten that these are 'experimental' aircraft?...and I don't mean we should not follow best practices.
but when we get the flight permit approval, we have met some minimum standard.
when we buy an amateur-built aircraft, it does not come with a warranty, it's as is, as built, buyer must establish it's airworthiness....typically by doing an 'annual', CCI or similar.

and at SOME POINT IN IT'S PAST, it met the standards of the DAR, FAA, MOT, etc.
it may now have a Kawasaki engine, TBI, FADEC, extra wing, VG's, etc. and these are not STC'd.

yes, these are built for our education and recreation, and as such, there is broad latitude given to many systems and components.
I like photos of 'how not to do it', but I think it should stop there.

[MikeyDale]

Actually this thread was very timely for me as I was doing my firewall forward. I picked up on a few of the comments and they helped me. My engine was a IO360 B1E and the flow divider was on the left side. I moved mine between the 1 & 3 cylinders to shorten the fuel line from the servo.

[PhatRV]

Originally Posted by N941WR

#2:

#3:

#4

Can you explain the AD about the fuel spider lines and why this is dangerous? I never looked inside an engine cowl of a good flyable airplane and don't know what is acceptable from the crapped out C150 most of us learned to fly on.

Thanks

[N941WR]

Originally Posted by PhatRV

Can you explain the AD about the fuel spider lines and why this is dangerous? I never looked inside an engine cowl of a good flyable airplane and don't know what is acceptable from the crapped out C150 most of us learned to fly on.

Thanks

Adding a second set of adel clamps reduces vibration, thus reduces the chance of one of those lines cracking.

Unfortunately, this thread turned negative with a number of people wanting to attack the builder rather than use it as a learning tool, which was the intention.

[abwaldal@gmail.com]

Thanks for and to the original poster.
I was a hands on builder that built custom homes for a living for 40+ years and when we though we were done we would go back through the home and detail it. Usually finding more stuff to fix. Then my wife would do the same.
I have been in court many a time. Called as an expert witness against other builders.
With all the parts of big custom homes most builders are not experienced enough to get it right. The customer is relying on the 'professional' to know what they are doing. Most just screw things up or just don't do them.
Did a walk through for some friends on a "new" $550,000.00 home and found 40-50 areas needing help. Leaking pipes, no grounds, water where it's no suppose to be, on and on. Oh ya it was move in ready. Ha Ha.
Airplanes are no different just more deadly. If you don't know, how ya gonna do it right? Thanks for posters and this forum it helps.
I've built one airplane and am still looking.
Thanks again for this forum and all it's great help. Art

[Taltruda]

Originally Posted by PhatRV

Can you explain the AD about the fuel spider lines and why this is dangerous? I never looked inside an engine cowl of a good flyable airplane and don't know what is acceptable from the crapped out C150 most of us learned to fly on.

Thanks

The AD is 2015-19-07 https://rgl.faa.gov/Regulatory_and_G...7?OpenDocument

And directs you to MSB 342g https://www.lycoming.com/sites/defau...stallation.pdf