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RADBMX.CO.UK  |  BMX General  |  BMX Chat  |  I am currently working on (shorts)
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Author Topic: I am currently working on (shorts)  (Read 40314 times)

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Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #100 on: December 29, 2023, 05:09 PM »
Gusset 22mm euro BB arrived. As did the Proper sprocket. I should now be able to sort two bikes and finish them properly.

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #101 on: December 30, 2023, 03:26 PM »
Very productive day.

The flooring for the loft came. F me it was heavy. Managed to drag that up there ready for installing.

Changed the sprocket on the Barcode to the green one I bought, then fitted the red Primos with the Ti axle to the Fatboy with the 36t Profile Imperial. No pics, as I was just too busy. The Fatboy still needs a chain, then I can crack on with the building work.

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #102 on: December 30, 2023, 08:12 PM »
Yeet.




Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #103 on: January 21, 2024, 02:25 PM »
Getting pissed at my own stupidity/frustrating ways to show sizes/pissing my mate around making useless parts.

So I needed one of these for my brake. And I ain't fookin paying that for 2p worth of metal ffs.



This was the pic sent. I IDed the height properly but this confused me enough into thinking it was 40mm wide. Hint, it isn't it's 45.



So I sent erroneous measurements to my mate who then modelled it (came up wrong size, seems it was a common theme)



From my SVG. Sadly before I realised my error it was too late and the poor sod had already made two.



Feck  :LolLolLolLol: He's not happy bless him. Just hope he makes me one wide enough now  :LolLolLolLol:

The back piece I can machine myself using my machine.



Do note I didn't send him holes to machine. I want to upgrade the plate and make it better. IE, instead of having a square pole piece on the plastic to sit in a cutout on the plate and one screw I am going to, you know? just use two screws in the first place. Can easily machine that, and the cable relief strip down the underside middle.

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #104 on: January 23, 2024, 11:53 AM »
OK so blunder averted somewhat. My mate is going to make me another. Phew.

Another engineer pal of mine pointed out that the block is not acrylic. And that acrylic would most likely shatter  :LolLolLolLol:

So after IDing what is was (Delrin nylon) I bought the correct shit eh.



Must say it totally looks like a match to be fair.


Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #105 on: January 25, 2024, 04:49 PM »
It's here. Mint too.


Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #106 on: January 26, 2024, 03:29 PM »
OK so after spending my birthday gaming with my mates yesterday (I was 50 FFS) I decided to have a look at it.

Aaaaaand, it was broken ffs.

The arms were floppy, and should be under tension and sprung. So OK maybe he did that to stop it ruining the springs etc. Tension it up and it bound up both sides. Like, totally.

Here we go.

Now thankfully I have a lot of experience, and soon identified that the locking cones (the bits similar to the top of a 990) were a tiny bit worn inside (like literally a mil or two) and needed to stop before they lock the arms up.

So here is how it goes.

Take one arm off at a time.

Grease the bottom of the plate. Add teflon washer, grease top of teflon washer. Add second teflon washer, grease top of it. Add arm. Add grease, teflon washer. Grease the top of that one and add the last teflon washer (two under two over). Grease top of that, add spring. Grease the top end of the post, add metal washer. Grease that washer, add second washer. Then add cone, put thread lock on the bolt and tension it all up just like any other U brake.


And you will eventually end up with a pitbull that does what it is supposed to do.



Winning.

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #107 on: January 28, 2024, 04:38 PM »
Two at the correct size of 45mm, and the ISIS adapter shoulders and inserts for the ti BB.


Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #108 on: February 01, 2024, 02:30 PM »
Two for two. Amazing.

Setting the plugs.



Shoulders and ti bolts.





And my Pitbull now has jaws.



Will fire the CNC up later and machine the teflon block.

Offline Mikku

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Re: I am currently working on (shorts)
« Reply #109 on: February 02, 2024, 01:13 AM »
Good job!! 👍🏼

And belated many happy returns!! Welcome to Club Fifties!! >:D
From Dorset to Japan:- http://www.radbmx.co.uk/forum/index.php/topic,182215.0.html
Ok riders, random start. Riders ready, watch the gate old gaijin make a fool of himself! :D

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #110 on: February 02, 2024, 12:26 PM »
Thanks man.

Well it turned out the acetal nylon sheet is not cast but extruded. That means.....



melty melty  :LolLolLolLol:

The first 1.4mm bit snapped and then that happened with a 3mm bit. It isn't removing it, just melting it, so I need to cut it manually.

I will dig out my hacksaw in a bit and crack on with that.

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #111 on: February 02, 2024, 03:37 PM »
Mang this stuff is an absolute shit head to work with. It melts when you get it even remotely warm, and it's so sodding slippery its a shit bag to cut manually  :LolLolLolLol:

I do now have a block, but this has all thrown up an issue I never knew I had. Why in the fudge does the spindle motor on my machine refuse to run any slower? Just did some investigating and it seems no matter what I set the speed to it's not having it. It's either all on (20,000 RPM ffs) or off.

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #112 on: February 03, 2024, 07:13 PM »
Back to the loft. Floor construction now finished, but I could murder my cousin. Entire sub floor was pissed, so that turned into a real pain.



I then grew tired of losing 3mm drill bits down the gaps, so when the back floor (against the wall) was finished I taped off all the gaps.





Next up, lino planks (self adhesive ones). Should be much easier than that building shit, that's for sure !

Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #113 on: February 06, 2024, 03:41 PM »
Sub floor finished.




Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #114 on: February 15, 2024, 04:48 PM »
Main floor is all but done. Two pieces left to fit, but I tapped out having to continually move crap around.





As you can see, it's a lot.


Offline Midschoolfool

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Re: I am currently working on (shorts)
« Reply #115 on: February 21, 2024, 12:14 PM »
Floor complete. I am now resting for a bit  :LolLolLolLol:



Recycled my old centre channel speaker stand. I can now hear the radio !



Then had a look at the shelves I got.



Walls next.

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