I have watched your work for years. Amazing how the 3D printer has revolutionized your world. They really are an indispensable tool once one has learned to utilize it to support whatever work one is involved in. I couldn't live without mine. And yeah, Fusion 360 all the way. I couldn't live without that at this point either. Thanks again for sharing your beautiful work.
myfordboy being older and using a 3d printer shows how good he is at his craft, others at his age have their (grand)children hold on to their online passwords if they have one lol
@@Krzys_D I'm sure you mean well, but you need to be careful in your judgements. I'm about Myfordboy's age, maybe a tad older. CNC was common by the time I was 15, ubiquitous by the time I was 30. I wrote my first computer programs before I was 18, programmed my own computers in my 20's. There may be a few people still around who are elderly enough to find tech intimidating, but mostly its just some people (whether they were born in 1950 or 2000) can't deal with it, and some can.
Always a pleasure to watch you casting something and the core making process is fascinating. I see that you are making good use of Mrs myfordboy's baking trays 🤣 Great video 👍👍 Cheers, Alan.
You did it again David ! Showed a wingnut how to use a wingnuts !! As always I made it all to complicated ! Thats all in the bin now and just bought my wingnuts ! Thank you :-)
I really like the extra touches now that used to be manual steps with the older parts - fill gate and core index locations built into the first-step mold.
Didn't realize NSU manifolds were a consumable item, last one I remember at a dealer was in the mid 50's in the US. I think I have the G-kids do their own PuttPutt before they get to old.
No. The cores are not realy burnt and the core prints that can break off when the mould is broken are easy to retreve. The quantlity of small grains of core sand are so small compared with the total volume of sand as to not matter.
Hi David - are you still using Viacad or have you changed to some other CAD program? Nice job on the core boxes, sure beats making them out of wood :) Thanks for the video, best wishes to you from Oregon, USA
I have switched to fussion 360 for 3D models but I use ViaCad for 2D drawings to do the laser cutting. Windows 10 did not like my v8 ViaCad, some strange things were happening so I bought ther latest version. However as soon as I intalled it I noticed some of the tools I liked had been removed. I asked about this and was told they are now only on the Pro version at a greater expence. I asked for a refund under their 30 day guarantee. It was not very forthcoming. Asked several times and no refund. I told them I would upload a video showing what had happened and the refund was given within an hour!
I know it's off topic but where do you normally find your scrap for smelting and recycling? I was contemplating using soda cans but it takes a lot of them to get any material and the deposit on them recently went to $0.10 per can where I live making them very costly.
In previous videos myfordboy often used car rims. While melting them may change the properties a bit, their alloy composition should be a pretty good choice strengthwise.
cans consist of an armored part on the lid and a very soft part in the body of the can, depending on your tasks, you need to choose raw materials. In the Russian Federation, they usually go to recycling centers and buy the necessary spare parts there
Never use soda cans. The allow is wrong, they are annealed, lubed and stuck 4/6 times in a deep draw press. Plus most don't know it, but the inside of the cans once washed, turned upside down to drain, then dried, are sprayed with a food grade laqcour or enamel to allow the product to remain sealed for use up to 2 - 6 years depending on what is put in them. They has to be sterile plus many foods are cooked in a seal can, cleaned from lubricants during the deep-draw process or rolled (For Other Foods) but sprayed to protect the metal, product inserted, lid placed and rolled to seal. What step is missing? I ask! They are cooked in the sealed can. Highly mechanized, all automated, inspected by electric eye for debris and internal coatings, X-Rayed using an odd sort of imaging depending on the container, acidic level of product to be used to predict "Best If Used By" date code is inked on can be "Julian Date" or "Calendar Date" and stored to be shipped at room temperatures! Yummy stuff, right? No, use castings always. Just remember what the casting was exposed to. Oils, lubricants, oxygen, high temperatures, other chemicals like clear coats polyurethanes, thermal setting plastic resins or commonly called "Powder Coating". Wheel are very popular for clear powder coating and unfortunately these products take set once heated once, even though they start to fail 10-15 years later. And the intended use is a mixture of up to 20+ alloys of various types and amounts. So, find a casting from a cylinder head to a motorcycle wheel and pay a lab to produce a structural analysis of each before planning you intended pour and part you want. Armed with a fraction of knowledge of aluminum metallurgy, remember the design intension. Use the "DeHavolin" airplane lesson! Yes, internal pressure to fly above 10k feet, oxygen drops. They pressurized the cabins with oxygen but the window design had square corners. The lack of a radius is legendary! Even used on forged steel parts, but no square corners as this is a focal point for stresses in the form of movement. Even crankshafts journals have rounded corners because during temperature changes, stress has no place to go evenly. It is pushed into a corner like a cartoon where the guy is done painting a floor, looks up, and realizes he is in a corner with no way out. Now, this is an extreme example but should be part of your "Best Practices". DK, Omaha. ASE Master Tech since 1978, automotive instructor, retired! Have fun!!!
I've been watching your videos for a year now and it's really very good congratulations I have planned to do some personal projects. I have a doubt the sand that you use in the molds can be reused
The sand you see is the same sand from this video which was made 10 years ago. The colour has changed with use but has been reused hundreds of times. ua-cam.com/video/CxUc92N0E6Y/v-deo.html
Perhaps he was referring to the silica sand used in the cores. A comment further along this video states the core sand is washed, dried, and can then be reused.
@@myfordboy One would assume that under current trend there would be a marked for EV retrofitted old mopeds (like they do for old cars), so why is a need for manifolds?
Wonderful, i watch a long time your Channel. i am an Fan off you. I have 4 NSU Moped and very interestet vor 2 or 3 Part off your Produktion. Is it possible ? excuse my vor my beat english, i am German.
Hi, I am doing restorations of classic cars and bikes and love your viedeos. Is there a way to contact you. I am playing with the Idea to purchas a casting setup for my workshop and would like to ask you some questions therefore. Best regards from Austria Cheers Mike
I hope you'll show us your fleet of mopeds! 😜
I have watched your work for years. Amazing how the 3D printer has revolutionized your world. They really are an indispensable tool once one has learned to utilize it to support whatever work one is involved in. I couldn't live without mine. And yeah, Fusion 360 all the way. I couldn't live without that at this point either. Thanks again for sharing your beautiful work.
myfordboy being older and using a 3d printer shows how good he is at his craft, others at his age have their (grand)children hold on to their online passwords if they have one lol
@@Krzys_D I'm sure you mean well, but you need to be careful in your judgements. I'm about Myfordboy's age, maybe a tad older. CNC was common by the time I was 15, ubiquitous by the time I was 30. I wrote my first computer programs before I was 18, programmed my own computers in my 20's. There may be a few people still around who are elderly enough to find tech intimidating, but mostly its just some people (whether they were born in 1950 or 2000) can't deal with it, and some can.
11 cylinder NSU that would be a beast of an engine😁. Great video, Cheers John.
It’s amazing what you can do! Thanks from down under 🇦🇺
Always a pleasure to watch you casting something and the core making process is fascinating. I see that you are making good use of Mrs myfordboy's baking trays 🤣 Great video 👍👍 Cheers, Alan.
You did it again David ! Showed a wingnut how to use a wingnuts !! As always I made it all to complicated ! Thats all in the bin now and just bought my wingnuts ! Thank you :-)
I really like the extra touches now that used to be manual steps with the older parts - fill gate and core index locations built into the first-step mold.
Absolutely Brilliant work...as usual. Thank you for showing us your skills
The reproductions of parts that are no longer available are cool 👍
Привет из России! Давно смотрю ваши видео и сам тоже лью алюминий, делаю самодельные детали! Удачи!
It's like magic to watch.
Always amazing!
Hello,
Enjoyable video, thank you...
Cheers.
Paul,,
Didn't realize NSU manifolds were a consumable item, last one I remember at a dealer was in the mid 50's in the US. I think I have the G-kids do their own PuttPutt before they get to old.
Nice job. Do you worry about the burnt cores getting mixed in with your greensand?
No. The cores are not realy burnt and the core prints that can break off when the mould is broken are easy to retreve. The quantlity of small grains of core sand are so small compared with the total volume of sand as to not matter.
This is greate, I like watched it
Hi, I wonder if you have the ceramic blanket inside the furnace, could you use waterglass( sodium silicate) to seal it...?
This furnace has a hard ceramic lining. I belive some only have ceramic blanket.
@@myfordboy yes, but I don’t like that fluffy thing to fly around… even if I’m outside.
Hi David - are you still using Viacad or have you changed to some other CAD program? Nice job on the core boxes, sure beats making them out of wood :) Thanks for the video, best wishes to you from Oregon, USA
I have switched to fussion 360 for 3D models but I use ViaCad for 2D drawings to do the laser cutting.
Windows 10 did not like my v8 ViaCad, some strange things were happening so I bought ther latest version. However as soon as I intalled it I noticed some of the tools I liked had been removed. I asked about this and was told they are now only on the Pro version at a greater expence. I asked for a refund under their 30 day guarantee. It was not very forthcoming. Asked several times and no refund.
I told them I would upload a video showing what had happened and the refund was given within an hour!
I know it's off topic but where do you normally find your scrap for smelting and recycling? I was contemplating using soda cans but it takes a lot of them to get any material and the deposit on them recently went to $0.10 per can where I live making them very costly.
Sir, I asked the same question some time ago and was told that you should not use cans
In previous videos myfordboy often used car rims.
While melting them may change the properties a bit, their alloy composition should be a pretty good choice strengthwise.
Any precast aluminum. Cans and extruded aluminum are not good.
cans consist of an armored part on the lid and a very soft part in the body of the can, depending on your tasks, you need to choose raw materials. In the Russian Federation, they usually go to recycling centers and buy the necessary spare parts there
Never use soda cans. The allow is wrong, they are annealed, lubed and stuck 4/6 times in a deep draw press. Plus most don't know it, but the inside of the cans once washed, turned upside down to drain, then dried, are sprayed with a food grade laqcour or enamel to allow the product to remain sealed for use up to 2 - 6 years depending on what is put in them. They has to be sterile plus many foods are cooked in a seal can, cleaned from lubricants during the deep-draw process or rolled (For Other Foods) but sprayed to protect the metal, product inserted, lid placed and rolled to seal.
What step is missing? I ask!
They are cooked in the sealed can. Highly mechanized, all automated, inspected by electric eye for debris and internal coatings, X-Rayed using an odd sort of imaging depending on the container, acidic level of product to be used to predict "Best If Used By" date code is inked on can be "Julian Date" or "Calendar Date" and stored to be shipped at room temperatures!
Yummy stuff, right?
No, use castings always. Just remember what the casting was exposed to. Oils, lubricants, oxygen, high temperatures, other chemicals like clear coats polyurethanes, thermal setting plastic resins or commonly called "Powder Coating". Wheel are very popular for clear powder coating and unfortunately these products take set once heated once, even though they start to fail 10-15 years later. And the intended use is a mixture of up to 20+ alloys of various types and amounts. So, find a casting from a cylinder head to a motorcycle wheel and pay a lab to produce a structural analysis of each before planning you intended pour and part you want. Armed with a fraction of knowledge of aluminum metallurgy, remember the design intension. Use the "DeHavolin" airplane lesson!
Yes, internal pressure to fly above 10k feet, oxygen drops. They pressurized the cabins with oxygen but the window design had square corners. The lack of a radius is legendary! Even used on forged steel parts, but no square corners as this is a focal point for stresses in the form of movement. Even crankshafts journals have rounded corners because during temperature changes, stress has no place to go evenly. It is pushed into a corner like a cartoon where the guy is done painting a floor, looks up, and realizes he is in a corner with no way out.
Now, this is an extreme example but should be part of your "Best Practices".
DK, Omaha. ASE Master Tech since 1978, automotive instructor, retired! Have fun!!!
I've been watching your videos for a year now and it's really very good congratulations I have planned to do some personal projects. I have a doubt the sand that you use in the molds can be reused
The sand you see is the same sand from this video which was made 10 years ago. The colour has changed with use but has been reused hundreds of times.
ua-cam.com/video/CxUc92N0E6Y/v-deo.html
Perhaps he was referring to the silica sand used in the cores. A comment further along this video states the core sand is washed, dried, and can then be reused.
tres beau merci
What does the co2 do to the core, make it hard by freezing or some other reaction?
Chemical reaction.
Nice thanks for share
Maestro!!!
Who knew there was a market for NSU manifolds ? Had an NSU 'Quickly for a while 8-)'
I was suprised there is a market too.
@@myfordboy One would assume that under current trend there would be a marked for EV retrofitted old mopeds (like they do for old cars), so why is a need for manifolds?
So did I, two in fact. The bloke that decided to call it a "Quickly" had an advanced sense of humour.
@@VladekR There can be a market for both :)
Probably to keep it as original as possible- it may have more collector value that way.
Wonderful, i watch a long time your Channel. i am an Fan off you.
I have 4 NSU Moped and very interestet vor 2 or 3 Part off your Produktion.
Is it possible ?
excuse my vor my beat english, i am German.
Please email me for details.
Do you recycle the used core sand ?
Yes. Wash and dry and use again.
You use the sand blast?
The castings you see have not been shot blasted.
Hi, I am doing restorations of classic cars and bikes and love your viedeos.
Is there a way to contact you. I am playing with the Idea to purchas a casting setup for my workshop and would like to ask you some questions therefore.
Best regards from Austria
Cheers Mike
Why do you work on the floor?
Nice solid base to work on and I don't have to lift all the heavy sand onto a bench and then lift the even heavier mould back onto the floor.
Is that Sodium Silicate 40% (Water Glass)?
This what I use www.artisanfoundry.co.uk/product_info.php?products_id=89
Home ???
It's my home.
11:38 мне кажется песок был близок к провалу.. Но всё обошлось, твердая рука мастера балансирует на грани небрежности и скорости работы.
What is size for silica sand
60 grit www.artisanfoundry.co.uk/product_info.php?products_id=155
Those cores look very similar to something 😂