Poll

Sadly, I am colour deficient, and useless at making decisions upon colour choices. What colour should the BSA be in your opinion? (I withold the right for my wife to veto any of your choices) :-)

Black with red upholstry
1 (12.5%)
Cream sides, green bonnet and boot with black upholstry
2 (25%)
Dogsc0#k red (sorry, apparently it is a thing so my decorator colleague says) and black
0 (0%)
British Racing Green + black upholstry
3 (37.5%)
Cream and navy upholstry
2 (25%)

Total Members Voted: 8

Author Topic: BSA 3 wheeler.  (Read 5668 times)

TheGiantTribble

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Re: BSA 3 wheeler.
« Reply #60 on: 12 Apr 22, 03:08 pm »
Can't beat a bit of Gothic Arch now and then!!!
Excellent work, can't wait to see it running.

Adrian

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Re: BSA 3 wheeler.
« Reply #61 on: 14 Apr 22, 05:13 pm »
What did you use to cut the curves?
:>)
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Jimr1999

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Re: BSA 3 wheeler.
« Reply #62 on: 14 Apr 22, 06:01 pm »
@ Adrian
I used a bandsaw to rough them out 2mm ish OS, made a longer than necessary MDF template to fix temporarily for moulding and shaping , set the spindle moulder up to do the external curves off a straight fence, did the internal curves off a pin in the bed on the overhead router mated to the same size cutter, set the spindle moulder up again for the rounded edge on the curved rear end boot edge and cut the rebate for the ply by back fencing with an offset pin on the overhead router.
I am fortunate to have the use of a lot of big woodworking machines.
Sorry if this is a bit technical, but you did ask  ;D
... You can lead a horse to water, but a pencil must be lead.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #63 on: 17 Apr 22, 11:24 am »
Easter week and lots to think about. After a chat and some maths with Stefan (Many thanks <hat tip> ) I got the initial design of the brake pedal. Not finalised yet as every move I make now seems to bring it's own challenges.
I may try to go right foot only as it is what I am most comfortable with but if room looks tight then brake to left foot it will have to be.
Played around with the steering column and am waiting on Ebay to deliver the top mount before I can decide on that.
Mounted the engine mounting plate (no slots, I have chain tensioners in the rear axle mounting and a "jockey" wheel on the slack (non driven, return) side of the chain.
Fettled the curves with a plane on the bonnet line,
Checked that I can get the rear axle out without unbolting the subframe (Just, that was lucky) and ordered some more bits to finish the front end.
Need a rest from it this week now. Time to enjoy Easter break.
« Last Edit: 17 Apr 22, 11:26 am by Jimr1999 »
... You can lead a horse to water, but a pencil must be lead.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #64 on: 23 Apr 22, 05:11 pm »
Progress this week.

 Made and junked brake pedal MK1 as it was not ergonomic in the car. Used bits of it to make pedal number two and figured out how to mount it. (many cramps used and a few goes at positioning it.)

Made Pitman arms and got a bud to weld them in place.

Got provisional mountings made for steering column

Attached tie rods and ends and I can attain 3mm toe in with plenty of thread inside the rods  :)

Moved a bulkhead 8mm to clear the tie rod on one side (this gets covered by the bodywork later)

looks like I have enough room for controlls to right foot only - bonus!
« Last Edit: 24 Apr 22, 06:30 am by Jimr1999 »
... You can lead a horse to water, but a pencil must be lead.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #65 on: 25 Apr 22, 07:07 am »
... You know when a thing takes over your life when...

Me to missus.    How attached to the fish slice are you?

Missus.     Why?

Me.     I could make a left foot rest out of that.
... You can lead a horse to water, but a pencil must be lead.

Chris L

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Re: BSA 3 wheeler.
« Reply #66 on: 25 Apr 22, 06:18 pm »
That's brilliant  ;D He he he

Jimr1999

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Re: BSA 3 wheeler.
« Reply #67 on: 25 Apr 22, 06:23 pm »
I swear this thing did not want to be a mere fish slice, the holes in it match the centres to a hinge perfectly and it fits a treat!
 ;D ;D ;D
... You can lead a horse to water, but a pencil must be lead.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #68 on: 30 Apr 22, 04:14 pm »
Frustrating day trying to get the throttle pedal and linkage right.
Ingredients.
1 pedal of an old MG from Ebay.
One 2.1m length of bicycle gear outer and a 2.15m gear inner.
Several bits of cable attachments from old cycle brakes and derailleurs.
A stainless steel drinking straw and a few nuts and bolts.
A lot of grinding and drilling.

The result works but I think the nylon bushes in the MG throttle pedal are , er , bushed  ;D

I tried adding a spring to the pedal end but the pull from the engine end is more than sufficient with the extra spring to return the arm.
My size 12's seem to clear the pedals o.k.
« Last Edit: 30 Apr 22, 04:16 pm by Jimr1999 »
... You can lead a horse to water, but a pencil must be lead.

David F-R

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Re: BSA 3 wheeler.
« Reply #69 on: 01 May 22, 07:01 am »
Looking good Jim.
Loads of room for your feet!
I'm not quite as green as I'm cabbage sounding.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #70 on: 01 May 22, 07:14 am »
One thing I will mention about the driving position for a tall chap like me... It would be impossible to drive with any modesty in a miniskirt.  ;D
... You can lead a horse to water, but a pencil must be lead.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #71 on: 01 May 22, 10:17 am »
Not content with slack bushes, I endeavored to produce some out of delrin on the wood lathe by eye and vernier, worked a treat!
... You can lead a horse to water, but a pencil must be lead.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #72 on: 02 May 22, 01:12 pm »
A bank holiday special.
More bodywork and getting to the point where I can see the final shapes in it. Very satisfying.

A lot less satisfying was the blood, sweat and tears the governor removal took.

At one point I was ready to just leave it in but I committed and got the b****y thing out. It was not pretty, and the picks I had turned out not to be man enough for the job and just bent on the circlip.  All I can say is it is out. I then spannered it back tight before looking at the bits and not being able to account for a governor weight hinge pin, so back to bits it was. I found it some time later rolled under the engine whilst out the first time. Still, better safe...

Gardening this afternoon.
... You can lead a horse to water, but a pencil must be lead.

Jimr1999

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Re: BSA 3 wheeler.
« Reply #73 on: 07 May 22, 02:24 pm »
Not a lot of visual progress this week but.

1. Got the centre boss of the steering quick release to a colleague to turn to fit my steering column
2 Made a mock up pipe run template from PVC conduit with a heat gun and a bending spring for the exhaust. A friend  is making this for me.
3 Made the brakes work with a little effort and a large spill of brake fluid when master cylinder number one had dry seals and master cylinder number two needed modification to fit the remote reservoir. They feel good now.
4 did a bit more to the frame for the body.
5 Acquired a cheap Ebay steering wheel.
6. Contemplated fabricating a battery drill reverse with a spare old Aldi one with a chuck that has stopped gripping. I cant get my hands on the wheels to go backwards like a four wheeler.
7 Acquired some more broken door closers to take to bits... Watch the other space.

I have a couple of issues to think about for the boot lid. The way it all comes together is not yet fully obvious and I will sleep on that problem. I am sure it will resolve itself. Secondly, I have acquired some Vauxhall small car bonnet hinges that might just hinge the boot lid up and out but I have to mock this up to be sure it works.
« Last Edit: 07 May 22, 02:26 pm by Jimr1999 »
... You can lead a horse to water, but a pencil must be lead.

Ian Fletcher

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Re: BSA 3 wheeler.
« Reply #74 on: 07 May 22, 07:10 pm »
thats looking great  8)