V-strut for Skeletal bracket

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Hugz
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Re: V-strut for Skeletal bracket

Postby Hugz » Fri Feb 09, 2018 11:54 pm

Would the tolerance of the cut using a 1 1/8" hole saw on a bench press be acceptable? Would prefer a finer tooth profile. Or can they be cast in 2 parts? My ali looks like it was cast and not drilled.

http://www.ebay.com.au/itm/Qty-1-Bi-Met ... SwPCVX27bj

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Oyster 49
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Re: V-strut for Skeletal bracket

Postby Oyster 49 » Sat Feb 10, 2018 12:40 am

No! I would face one end and use several drills on a lathe, or perhaps a milling machine. A thin slitting saw to separate the halves. Plenty of work actually.

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Hugz
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Re: V-strut for Skeletal bracket

Postby Hugz » Sat Feb 10, 2018 12:44 am

I was going to use a hacksaw :oops:

Perhaps I'll need to use an engineering firm. Drill and tap I'm fine with.

If you drill it first and then cut wont the cut reduce the diameter causing it to bind on the drive tube negating steering?

I do have this vice that turns my pedestal drill into a proxy milling machine. I've heard that sideways pressure can do the bearings in though. An arbor and slitting disc?

mill vice.JPG
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Nudge
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Re: V-strut for Skeletal bracket

Postby Nudge » Sat Feb 10, 2018 1:53 am

I have been talking to Charles and Jason on Skype.
I think the broken bracket that you have Hugo would make a good pattern. Looking at it, it would be easier to do the casting in to parts with maybe adding some filler to areas thar will end up being machined and in the slots. that way we wont be breaking or adding filler to a good part.

Your drill may work Hugo, just take things easy... been there done that! Hole saw? get one thet is under size then use a sanding bobbin to clean it up.
The other thing we where talking about was the brass wearing the chrome off the drive tube, so it may be a good idea if the hole was made over size and putting cork or rubber round the tube.

If you need to we could have a talk about it over skype later.
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Hugz
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Re: V-strut for Skeletal bracket

Postby Hugz » Sat Feb 10, 2018 2:01 am

Ah good! I can post it on monday if you wish. I like the two part idea. I'll remove the studs.

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Nudge
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Re: V-strut for Skeletal bracket

Postby Nudge » Sat Feb 10, 2018 3:30 am

Undo the studs so they are loose but put them back (if you can) I may end up needing them to line things up later. I guess you still have my address?

Now just so you ALL know I have no idea on the cost of these things, but I will do some "home work" once I have one to look at.
"THE KING OF BLING"!
Is it better to over think, than not think at all?

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Charles uk
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Re: V-strut for Skeletal bracket

Postby Charles uk » Sat Feb 10, 2018 1:20 pm

Just had a chat with H-A, who explained how he'd bore this hole on a Myford lathe.

Drill the center holes for the hook slots, fabricate a fixture that would hold the casting at the correct center height on the cross slide of a Myford, fix using the slot center holes & the tilt tail to align, drill as far as you can, then boring head in the chuck & hey presto!

Thanks Al, it never occurred to me to do it that way!

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Make it idiot proof and someone will make a better idiot.

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Hugz
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Re: V-strut for Skeletal bracket

Postby Hugz » Sat Feb 10, 2018 1:39 pm

Hook slot... i was just going to drill a hole same diameter as slot and angle grind the slot out! Just had a look. It's do-able. Bush mechanic style.

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Nudge
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Re: V-strut for Skeletal bracket

Postby Nudge » Tue Feb 20, 2018 9:33 am

Got a box today from Hugo,
IMG_2782.JPG

It looks to be sand cast!
How long is the broken part supposed to be, and the size of the hook on the end?

I think this might work with the use of a core for the hook part and cast in 2 parts.
Once Ive made the replacement broken part I will have a better idea.

How many are looking at?

Hugo 2
Oyster 1?
NaughtyBits 1 maybe 2?

Do we make 6 or just make 10? Once again I dont need one. I just want to help out. :P
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"THE KING OF BLING"!
Is it better to over think, than not think at all?

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Oyster 49
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Re: V-strut for Skeletal bracket

Postby Oyster 49 » Tue Feb 20, 2018 6:25 pm

Yes I’m up for a brass one please.

I’d assist with machining but I’m in Germany for another two years, so many of the home projects are on the back burner.

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NaughtyBits
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Re: V-strut for Skeletal bracket

Postby NaughtyBits » Thu Feb 22, 2018 2:29 pm

Nudge, the length of the broken support arm & hook on mine measures at 14.8mm, base to tip.

I'd definitely be in for one, but I'll ask around to see if there's any other interest here. A huge thanks again for your time & willingness..! :P

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Nudge
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Re: V-strut for Skeletal bracket

Postby Nudge » Mon Feb 26, 2018 6:30 am

I hope you don't measure your D1*K in the same way Mr Bits! :shock:
I guess your meaning the part is 14.8 cm OR 148 mm
14.8 mm is only 0.5826772" where as 14.8 cm is 5.826772" same as 148 mm is 5.826772"
Ok now we have that sorted
How big is the arrow on the end? length and height.
I asked Charles the other night but I think old age is getting to him and he forgot... Again! :lol: Its got to be a bummer getting Old!! :mrgreen:
"THE KING OF BLING"!
Is it better to over think, than not think at all?

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NaughtyBits
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Re: V-strut for Skeletal bracket

Postby NaughtyBits » Tue Feb 27, 2018 6:55 pm

:lol: :lol: :lol:

Well, there's something to be said for underselling - leaves them pleasantly surprised vs bitterly disappointed...?!

I'll measure up the arrow tonight...

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JERSEYMAN
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Re: V-strut for Skeletal bracket

Postby JERSEYMAN » Wed Feb 28, 2018 9:15 am

Following this thread with great interest, brilliant, I would take 3 if they are available, a really big thanks to you guys.

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Nudge
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Re: V-strut for Skeletal bracket

Postby Nudge » Wed Feb 28, 2018 8:48 pm

How many are looking at?
this is who I have so far. I will be checking again before I get them done.
If this is incorrect please tell me.


Hugo 2
Oyster 1
Naughty Bits 1
Jersey man 3
"THE KING OF BLING"!
Is it better to over think, than not think at all?


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