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Stuffer plates on and off.
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Sponge
Lancashire (A chip shop somewhere near Preston)
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May 20, 2020 - 9:28 am
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Probably the power characteristics of the engine.

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BonesCDI
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May 20, 2020 - 9:52 am
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I've got an Aussie built Acme bike with a 9D in it.

It definitely doesn't have the HP of a Bantam, but what it does have is a 2nd gear that is halfway between 1st & 3rd unlike the Bantam. It holds 2nd gear so much better in a howling wind or uphill than a Bantam where you have to come nearly to a stop to change down.

At the BTSCA rally this year I could flog a mate on his Excelsior with a 12D on the flat, but he left me for dead on the hills. More to do with the gear ratio of 2nd gear I think.

 

regards,

 

Bones

Running and project bikes from 1912 -2005..........She hasn't said stop yet.........

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SpacedMarine
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May 21, 2020 - 2:15 pm
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What's 7/16 in mm again?

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cocorico
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May 21, 2020 - 4:05 pm
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The ones from my D3 and D1 are mild steel, 1mm thick. D3 is cut out to clear the crankshaft & shims, D1 is dished around the crankshaft, so in effect form part of the shim.

1956 D3 running, lights to sort. 7 other bikes in the Barn. 1950 D1 engine now running.

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SpacedMarine
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May 21, 2020 - 7:37 pm
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SpacedMarine said
Hope thatScreenshot_20200521-141212_Gallery-1.jpg's of some use?  

Sorry made a mistake distance between hole centres is 1.142 not 1.412!

What's 7/16 in mm again?

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bantammad
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May 21, 2020 - 7:53 pm
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Hi bantammad ere well SpacedMarine l will have a look at making a pair of fly wheel plates got to sauce some material first maybe make a drilling jig first I’m shore you have the direction I’m thinking of from the shed Les 

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SpacedMarine
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May 21, 2020 - 7:54 pm
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bantammad said
Hi bantammad ere well SpacedMarine l will have a look at making a pair of fly wheel plates got to sauce some material first maybe make a drilling jig first I’m shore you have the direction I’m thinking of from the shed Les   

Screw them in?

What's 7/16 in mm again?

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Blue Heeler
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May 21, 2020 - 8:13 pm
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Glue them on?

That`s how the Space Shuttle tiles were attached....and they got a tad toasty 🙂

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bantammad
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May 21, 2020 - 8:55 pm
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Close the jig is to standardise the drilling of the holes that’s my thinking might even do a capability and feasibility study on it just for fun,na life’s to short from the shed Les 

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SpacedMarine
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May 21, 2020 - 9:11 pm
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bantammad said
Close the jig is to standardise the drilling of the holes that’s my thinking might even do a capability and feasibility study on it just for fun,na life’s to short from the shed Les   

Dont need a jig just mark the top and bottom on centre on the circle diameter. two on a line through the bigend and two same distance down from centre.

Unless you're doing a full on production run?😁

What's 7/16 in mm again?

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bantammad
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May 22, 2020 - 8:09 pm
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Hi bantammad ere looks like this fly wheel plate thing is turning into an interesting debate didn’t realise that there were so many versions but no matter I’m gonna press on with what’s been proposed in the drawing ✍️ regards Les 

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bantammad
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May 28, 2020 - 8:35 am
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Hi bantammad ere fly wheel plates just a note l notice that there’s a pair of plates for sale on that flee bay site thing considering that these ere plates are chicken lips there don’t seam to be any takes or is it that they are to pricey just wondering or maybe some want summert for note,or are the pockets to deep just wondering Les 

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SpacedMarine
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May 28, 2020 - 9:16 am
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I thinks it's because they're a big hassle to fit properly(especially on a d14) hardened steel rivets!

Bit of a specialist job plus the fact most people wont notice any difference in performance without them and the worry of them falling off again why bother?Ok technically without them the bike isn't original but even if the bikes going in for a "concourse look" who is going to look inside the crankcases?

My 2 pence!

They're only £15 so not too expensive 

What's 7/16 in mm again?

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