Hi All !
I designed the engine
Hope I can do it
I designed the engine
Hope I can do it
New ..
- Thread starter minh-thanh
- Start date
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aka9950202
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Looking forward to the build. Will the plans be available to the public? Are they in metric?
Cheers,
Andrew in Melbourne
Cheers,
Andrew in Melbourne
aka9950202!
They are in metric
About the plan, most of the components have a zero tolerance (the diameter of the cylinder and piston is 16mm, ..) it is more like a Lego assembly than a mechanical plan or engine plan
I had a friend give me some advice on tolerances ... (who is a member of this forum), so I'm also planning that when I do this engine I will measure and determine all The dimensions of all details
all the engines I've done, they have almost no plans or only one part, I'm trying to redraw them.
They are in metric
About the plan, most of the components have a zero tolerance (the diameter of the cylinder and piston is 16mm, ..) it is more like a Lego assembly than a mechanical plan or engine plan
I had a friend give me some advice on tolerances ... (who is a member of this forum), so I'm also planning that when I do this engine I will measure and determine all The dimensions of all details
all the engines I've done, they have almost no plans or only one part, I'm trying to redraw them.
Cogsy
Well-Known Member
Looks great. I'll be watching this one!
Hi All !
a lot of time, alignment, setup ... and lots of patience,.
And :
a lot of time, alignment, setup ... and lots of patience,.
And :
Wow, great results! I can only imagine the amount of time that took.
An idea takes shape! The engine block....bedrock of all things internal combustion.
Minh Thanh--Looks good. May the force be with you.---Brian
Minh Than, You are off to a very good start. You block looks well done.
I'll watching.
Chuck
I'll watching.
Chuck
Thank you for your compliments and likes!
Hi All !
a lot of time, alignment, setup ... and lots of patience,...and with one mistake and result :
Hi All !
a lot of time, alignment, setup ... and lots of patience,...and with one mistake and result :
Why is it that disaster never strikes until you have already put so much work into a piece, and it is so close to being finished? Or at least, that's the way it works for me!
For the first time and many times later, I made crankshaft : I welded the parts together and with pins,
With many cylinder engines I prefer to make crankshaft from one piece
Yes, it is almost completed
With many cylinder engines I prefer to make crankshaft from one piece
Yes, it is almost completed
Hi All !
A little update :
A little update :
Cogsy
Well-Known Member
It's coming along nicely and looking good.
Hi All !!
I have a problem, I drill 4 bolt holes ( M3, 0.5 mm )
2 holes on the outside I can make threaded
The other 2 holes, the taps 3mm is too short and too close
so I would like to ask : is there a taps longer ?
If not,I plan to weld 3 mm steel bar to make the thread
Actually I don't want to weld, does anyone have any other solution?
Thanks !
I have a problem, I drill 4 bolt holes ( M3, 0.5 mm )
2 holes on the outside I can make threaded
The other 2 holes, the taps 3mm is too short and too close
so I would like to ask : is there a taps longer ?
If not,I plan to weld 3 mm steel bar to make the thread
Actually I don't want to weld, does anyone have any other solution?
Thanks !
Do you have a wrench that fits the square on the tap? You might be able to turn the tap a bit at a time. It would be slow, but might work.
If you don't have a wrench, you could put a slot that flits the square in a thin piece of steel.
Chuck
If you don't have a wrench, you could put a slot that flits the square in a thin piece of steel.
Chuck
https://www.ebay.com/itm/1PCS-M3-to...hash=item1a8d655851:m:mtkyrGx0ZL4kTiH3H9KaPJw
Or....this is a drill bit extender. You can drill a shank diameter size hole in an 8mm shaft for the tap and secure on the square flats or just its shank with a couple of set/ grub screws.
Or....this is a drill bit extender. You can drill a shank diameter size hole in an 8mm shaft for the tap and secure on the square flats or just its shank with a couple of set/ grub screws.
Last edited:
Cogsy
Well-Known Member
It seems you can buy long taps of that size LINK, but I don't know how good the cheap ones will be and the brand name ones get really expensive. I've never done it but it's possible to make a tap from a bolt. Being that this is only for tapping in aluminium, maybe you could make a tap for this one-off job? There's plenty of tutorials on Youtube, etc. but I don't know how difficult it is.
I found the price of the long taps to be " not worth it" so I took a piece of drill rod/silver steel and drilled and reamed a hole in it in the lathe. I put the tap in the tailstock of the lathe in a chuck and gave it a good push to press it in. Think you call that a good sliding fit. Haha!! Then I turned down the diameter of the rod on the tap end to .1875 or something like that to clear the wall next to the hole. I now have a 4-40 tap about a foot long. At least until i need that piece of rod more than i need a foot long tap.
Hi All !
kuhncw ,Longboy, Cogsy , stevehuckss396 !
Thanks your comments !!
After reading your comments, plus my memory (I remember a long time ago, I did an extension tool, but it's simple), and this time I did it again but and more care and it worked fine.
kuhncw ,Longboy, Cogsy , stevehuckss396 !
Thanks your comments !!
After reading your comments, plus my memory (I remember a long time ago, I did an extension tool, but it's simple), and this time I did it again but and more care and it worked fine.
