Questions tagged [material]
15 questions
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What factors are considered when deciding on gasket material?
Automotive gaskets come in many materials, shapes and sizes and find application in many places.
I'm curious to learn more about why manufacturers use certain materials for certain applications.
I can give some examples from my BMW S62 engine:
The…
Zaid
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Gasket\seal material that won't stick to paint if it degrades over time?
I'm making a modification to the external GPS\Radio antenna on the roof of my vehicle.
The short version is that I'm going to use the mounting for the existing antenna housing to add a bigger roof top unit with a camera in it.
The existing mount is…
Aaargh Zombies
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4
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Why are sheet metal engines not popular?
What are the reasons engines use casting and not stamping when manufacturing blocks and heads? There were couple of stamped engines before but none of them took off. https://www.macsmotorcitygarage.com/1946-49-crosley-cobra-the-sheet-metal-engine/…
Timothy Scherer
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3
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Why do we continue to paint cars with plastics?
Why do we continue to paint cars with oil based compounds; plastics, solvents, resins, etc?
It's surely the least (or at least, not the most) efficient method for preserving ferrous metals.
Just +10.5% chromium content will resist corrosion under…
voices
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3
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Why is martensitic steel used instead of grey cast iron for ATV disc brakes?
Grey cast iron has better thermal properties -- conductivity and specific heat -- lower density, better castability, and better friction than martensitic stainless steel. Why are OEM parts made of martensitic stainless steel (AISI 4XXX series)? Are…
2
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1 answer
Bolt 2017 Premier leather seats - PU leather or PVC leather or what?
I've read the leather seats have actual leather on the center of the seats where there are perforations (or at least that area is made of particles of real leather bound together with vinyl) and the rest is leatherette, whatever that means. Is the…
cr0
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Paint that works on galvanized steel and exhaust pipe
I have a homemade outboard motor extension handle similar to this: https://www.amazon.ca/gp/product/B07BWXZN2J/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
The narrow part on the right is hand-sanded galvanized steel pipe (chainlink fence…
User1974
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Motorcycle engine mounting bolts grade
I need to decide upon a pair of bolts that will be used on my motorcycle to mount a pair of frame sliders.
The already present frame sliders are installed with (supposingly???) 10.9 grade M10x1.25x70mm (silver colored) bolts with hex socket heads.…
kokobill
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Boot Liner Mat not drying after battery leak
I kept my old replaced battery in my boot to carry it to recycle store. The battery water/fluid leaked all over the boot liner mat. There is no damage to the mat whatsoever but it is not drying. It's been a month now. I kept it in open sunshine for…
SkoolCodeian
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What advances in material technology, have made serpentine belts last longer?
This article on serpentine belts says:
"Vehicle manufacturers recommend inspection and replacement of the serpentine belt between 60k and 90k miles. Advances in material technology allow some belts to last more than 100k miles."
What were the…
Nike Dattani
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Scooter Speedo Drive Repair
The speedo drive housing has sheared at some point on my 125cc Peugeot scooter, and no longer has anything from stopping it spinning 360 degrees apart from friction. It doesn't spin freely when I ride but goes round half a turn eventually and means…
GoldieLocks
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What is the Purpose of a drive shaft tube
Drive shaft tube can made of aluminium alloy and steel but what is the main purpose of it does it serve as a connecting rod from engine power to the rear wheels?
i am seeking for a formal answer on this.
user37109
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What limits the max power rating of a V belt drive?
We know that belt drives are limited in their max possible power rating and most high power/torque applications(trucks) use gear drives.
I wanted to know the main factor that limits the power/torque rating of belts.
Is it Frictional slip or Belt…
Yaksha
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Motorcycle Engine Guards: OEM bolt vs Threaded Rod for engine mounts
I have a similar question to This one however mine is slightly different in that the bolt I need is very long (300mm)
I have an Engine guard that has included a threaded rod to replace the primary engine bolt, neither bolt nor rod are stamped with…
Jacob Evans
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What type are 2016 Subaru Forester OEM brake pads?
Facing replacement of rotors and pads in my 2016 Forester, I consider non-OEM parts. Thus, I was trying to figure out what type are the OEM pads (i.e., semi-metallic, ceramic). I could not find this information online.
Any idea of the answer?
ysap
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