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Posted: 2/26/2017 11:28:48 PM EDT
[#1]
Chinese made bolts should be fine
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Posted: 2/26/2017 11:29:07 PM EDT
[#2]
These are the bolts that connect the engine shaft to the trans shaft
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Posted: 2/26/2017 11:29:27 PM EDT
[#3]
but but but its grade 8
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Posted: 2/26/2017 11:30:06 PM EDT
[#4]
Its a rerun but they are going to sell it
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Posted: 2/26/2017 11:30:10 PM EDT
[#5]
What is the difference between aircraft certified bolts and regular grade 8 or better bolts?
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Posted: 2/26/2017 11:30:57 PM EDT
[#6]
Bowline on a bight?
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Posted: 2/26/2017 11:31:37 PM EDT
[#7]
Quote HistoryQuoted:
What is the difference between aircraft certified bolts and regular grade 8 or better bolts? Usually 3 times the price 
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Posted: 2/26/2017 11:31:46 PM EDT
[#8]
Zip ties and duct tape.
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Posted: 2/26/2017 11:32:13 PM EDT
[#9]
Quote HistoryQuoted:
Usually 3 times the price Quote HistoryQuoted:
Quoted:
What is the difference between aircraft certified bolts and regular grade 8 or better bolts? Usually 3 times the price And a paper trail saying its not Chinese pot metal |
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Posted: 2/26/2017 11:33:06 PM EDT
[#10]
Lol, the insurance company wouldn't let them film him flying it
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Posted: 2/26/2017 11:34:41 PM EDT
[#11]
Half the shit they do looks really bush league.
Also, they pretty much admit to half-assing and cheap shitting their way through builds, then still charge their customers and arm and a leg. While on camera... |
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Posted: 2/26/2017 11:36:30 PM EDT
[#12]
I have no idea who the Diesel Brothers are, but using cheap hardware store bolts in aircraft powerplants is a horrible, horrible idea.
That said, I have an aircraft bolt somewhere that has no flats ground into the head. That turd had a lot of QC hoops to jump through to end up in my hands in the hangar... |
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Posted: 2/26/2017 11:38:15 PM EDT
[#13]
Quote HistoryQuoted:
These are the bolts that connect the engine shaft to the trans shaft |
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Posted: 2/26/2017 11:38:27 PM EDT
[#14]
Quote HistoryQuoted:
I have no idea who the Diesel Brothers are, but using cheap hardware store bolts in aircraft powerplants is a horrible, horrible idea. That said, I have an aircraft bolt somewhere that has no flats ground into the head. That turd had a lot of QC hoops to jump through to end up in my hands in the hangar... They build bid scrodozers and sell trucks |
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Posted: 2/26/2017 11:38:54 PM EDT
[#15]
I made it through half an episode of theres.
Quit watching and fast forwarded to the end just to see the end build. Haven't watched any since. |
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Posted: 2/26/2017 11:39:52 PM EDT
[#16]
Quote HistoryQuoted:
Is that the God bolt? Quote HistoryQuoted:
Quoted:
These are the bolts that connect the engine shaft to the trans shaft The Jesus nut is usually the one that holds the rotor hub on the shaft. But if all these failed it wood loose power |
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Posted: 2/26/2017 11:41:24 PM EDT
[#17]
Quote HistoryQuoted:
Bowline on a bight? French bowline... Ooo la la! 
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Posted: 2/26/2017 11:41:38 PM EDT
[#18]
Quote HistoryQuoted:
Is that the God bolt? You may be thinking of the Jesus nut, the one that holds the main rotor on. Never heard of these guys, are they A&P's or just goof balls? If they are A&P's they should know better! |
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Posted: 2/26/2017 11:41:49 PM EDT
[#19]
Pretty sure they would have to be type certificated and recorded in the logbook by a certificated A&P with all of the part numbers, information, and signatures. That way when the hardware store bolts fail and kill a bunch of people, the FAA has a paper trail, and lawyers know who to go after.
Bad ju ju in aviation. |
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Posted: 2/26/2017 11:43:45 PM EDT
[#20]
I guarantee 100% these guys will not leave it in the air .
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Posted: 2/26/2017 11:44:23 PM EDT
[#21]
Brodozer helicopter, what could possibly go wrong?
It is an experimental.. |
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Posted: 2/26/2017 11:44:50 PM EDT
[#22]
Quote HistoryQuoted:
And a paper trail saying its not Chinese pot metal Quote HistoryQuoted:
Quoted:
Quoted:
What is the difference between aircraft certified bolts and regular grade 8 or better bolts? Usually 3 times the price And a paper trail saying its not Chinese pot metal That paper trail is what the FAA wants. I did avionics, not an aviation mechanic, but with the electronics at least, you couldn't use off the shelf components. You had to use ones that were known to work from sea level to 50k feet. The temp changes alone could be hard on electronics. Pressure differential from sea level to altitude and back could fuck things as well. I imagine that with fasteners as well, there are similar considerations. You don't fuck with standards like that on aircraft. If something fails, you can't just pull over and call a tow truck, and most of those regs are the result of accident investigations. |
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Posted: 2/26/2017 11:45:26 PM EDT
[#23]
Quote HistoryQuoted:
You may be thinking of the Jesus nut, the one that holds the main rotor on. Never heard of these guys, are they A&P's or just goof balls? If they are A&P's they should know better! They have a reality tv show where they build brodozer trucks. |
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Posted: 2/26/2017 11:45:32 PM EDT
[#24]
Quote HistoryQuoted:
Half the shit they do looks really bush league. Also, they pretty much admit to half-assing and cheap shitting their way through builds, then still charge their customers and arm and a leg. While on camera... Reality TV isnt real... |
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Posted: 2/27/2017 12:12:57 AM EDT
[#25]
They used Grade 9 bolts
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Posted: 2/27/2017 12:14:31 AM EDT
[#26]
Oh hell the fuck no. You put the right fucking parts in the rotor assembly or you're gonna be taking a swift trip to the pearly gates.
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Posted: 2/27/2017 12:15:48 AM EDT
[#27]
Quote HistoryQuoted:
Is that the God bolt? No, Jesus Nut is what holds the rotors on the mast. Sits on top of the assembly. |
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Posted: 2/27/2017 12:18:03 AM EDT
[#28]
Quote HistoryQuoted:
Pretty sure they would have to be type certificated and recorded in the logbook by a certificated A&P with all of the part numbers, information, and signatures. That way when the hardware store bolts fail and kill a bunch of people, the FAA has a paper trail, and lawyers know who to go after. Bad ju ju in aviation. according to them since this model ( I don't remember what is was it kinda looked like a R22) was modified to be turbine powered it fell under experimental status so most/many of the FAA A&P do not apply I know exactly jackshit about FAA regs and am just repeating what the show said |
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Posted: 2/27/2017 12:21:05 AM EDT
[#29]
Yeah, the FAA is gonna love them TENDERLY.
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Posted: 2/27/2017 12:23:20 AM EDT
[#30]
Quote HistoryQuoted:
Oddly this is the only episode I have ever watched of this show according to them since this model was modified to be turbine powered it fell under experimental status so most/many of the FAA A&P do not apply I know exactly jackshit about FAA regs and am just repeating what the show said What kind of helicopter? Just being turbine powered doesn't mean shit. |
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Posted: 2/27/2017 12:26:04 AM EDT
[#31]
I won't even do that shit with cars if it's a bolt that will see load.
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Posted: 2/27/2017 12:26:11 AM EDT
[#32]
Quote HistoryQuoted:
Pretty sure they would have to be type certificated and recorded in the logbook by a certificated A&P with all of the part numbers, information, and signatures. That way when the hardware store bolts fail and kill a bunch of people, the FAA has a paper trail, and lawyers know who to go after. Bad ju ju in aviation. I don't write part numbers for common hardware in sign offs. |
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Posted: 2/27/2017 12:26:19 AM EDT
[#33]
I just assembled some flight hardware with $6k in fasteners. Stack of paperwork was almost as heavy. The fab shop looked at me funny when I broke out a torque wrench. Engineers have got to get off the computer to see their projects in person...
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Posted: 2/27/2017 12:30:06 AM EDT
[#34]
They listed it as an experimental
Briefly went over the fact that they are not certified aircraft mechanics and couldnt touch a legit regulated/licensed craft. But since it is an experimental they could get into the whole uncertified crap. They should have just built a gyrocopter and called it good. There are two things they built I would like to see in person. That giant double extended cab shop truck and their giant mud truck. |
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Posted: 2/27/2017 12:34:00 AM EDT
[#35]
Bolts must be strong in tension, not compression.
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Posted: 2/27/2017 12:51:20 AM EDT
[#36]
It's experimental, they can use zip ties if they want.
They tested its shear load strength and it passes with flying colors. That tiny turbine is probably in the 300-400 hp zone (my guess based on a similarly sized 435hp Turbomeca 2B1). 8 tons of shear load on 1 bolt is plenty considering they're using 5 or 6 on an engine that produces maybe 250lb-ft torque. I see no issue. Been working on helos for 13yrs. You should see the bull shit tiny bolts that hold together the drive shafts on an Apache, Huey, or AS350. |
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Posted: 2/27/2017 12:52:09 AM EDT
[#37]
Their bolts were grade 11, which is better than 10
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Posted: 2/27/2017 12:56:22 AM EDT
[#38]
Quote HistoryQuoted:
What kind of helicopter? Just being turbine powered doesn't mean shit. Quote HistoryQuoted:
Quoted:
Oddly this is the only episode I have ever watched of this show according to them since this model was modified to be turbine powered it fell under experimental status so most/many of the FAA A&P do not apply I know exactly jackshit about FAA regs and am just repeating what the show said What kind of helicopter? Just being turbine powered doesn't mean shit. My google fu is weak and I cannot find what model |
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Posted: 2/27/2017 12:58:08 AM EDT
[#39]
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Posted: 2/27/2017 12:58:41 AM EDT
[#40]
the god bolt and jesus nut ?
are there any other helicopter terms that we need to be aware of ? i will assume that there are a couple of donkey dicks on them. |
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Posted: 2/27/2017 12:59:21 AM EDT
[#41]
Quote HistoryQuoted:
Chinese made bolts should be fine All those Chinese buildings are held together with Chinese bolts. What could go wrong? |
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Posted: 2/27/2017 1:05:56 AM EDT
[#42]
I'm relatively certain that the drive shaft flex disc on that thing was from a Mercedes.
Of all the things to be weary of, I'd say that a helicopter built in somebodies garage ranks right near the top of the list. |
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Posted: 2/27/2017 1:15:06 AM EDT
[#43]
Didn't redbeard have that sold for like a $30k profit at the end of the episode?
I guess that deal fell through |
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Posted: 2/27/2017 1:19:45 AM EDT
[#44]
Quote HistoryQuoted:
Didn't redbeard have that sold for like a $30k profit at the end of the episode? I guess that deal fell through I shut it off when they were bending bolts in the press. |
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Posted: 2/27/2017 1:21:45 AM EDT
[#45]
Quote HistoryQuoted:
Didn't redbeard have that sold for like a $30k profit at the end of the episode? I guess that deal fell through Most of the "sold" shit from fast and loud ends up for sale through "associates" for way less than it "brought" on the show |
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Posted: 2/27/2017 1:29:31 AM EDT
[#46]
Maybe ACE Hardware gives out certs with their hardware nowadays. As an A&P mechanic myself, I could only watch, shake my head and laugh.
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Posted: 2/27/2017 1:30:32 AM EDT
[#47]
Quote HistoryQuoted:
I don't write part numbers for common hardware in sign offs. If it is covered in the AMM or whatever reference I would just put the work was done IAW yadda yadda reference. IPC references were needed at some places just because the crew chief wanted them for certain hardware. This sounds like a different situation. Apparently an experimental so a lot of those requirements would not apply. Good luck to whoever these diesel brodozer guys are. I think I would pass on a test ride. |
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Posted: 2/27/2017 5:38:19 AM EDT
[#48]
a dab of red Loctite and all's fine
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Posted: 2/27/2017 6:42:29 AM EDT
[#49]
I bet @aviator could drop some knowledge.
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Posted: 2/27/2017 6:58:49 AM EDT
[#50]
Looks like a RotorWay Exec. There is quite a history behind the company and their helicopters: https://en.wikipedia.org/wiki/RotorWay_International
I lusted over those things for a while but finally concluded that it was not going to happen due to the large amount of $$$$ it would take, even as a home-built kit plane. I'd settle for an ultralight gyrocopter. Bending bolts in a press to "test" them is stupid, as is most of Diesel Brothers stuff. |
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