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Author: Subject: "Locost bicycle"
dr-fastlane

posted on 25/9/05 at 09:52 AM Reply With Quote
"Locost bicycle"

It seems that each large car manufacturer has a bicycle in their assortment to promote one of their models. Porche, Mercedes and Ferrari all have them. So why not an “Locost bicycle”. After a weekend grinding and welding i came with this.

Greets, Roy





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I have not failed once. I have successfully found ways that will not work!

https://www.motor-forum.nl/threads/hardtail-dragstyle-project.343482/

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dr-fastlane

posted on 25/9/05 at 09:53 AM Reply With Quote
and another pic.





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I have not failed once. I have successfully found ways that will not work!

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JoelP

posted on 25/9/05 at 09:54 AM Reply With Quote
brilliant!

space for an r1 in there?!





Beware! Bourettes is binfectious.

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dr-fastlane

posted on 25/9/05 at 09:58 AM Reply With Quote
And the last one.





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I have not failed once. I have successfully found ways that will not work!

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liam.mccaffrey

posted on 25/9/05 at 10:01 AM Reply With Quote
that is fantastic!

its really cool





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Guinness

posted on 25/9/05 at 10:11 AM Reply With Quote
What was the donor vehicle? I guess a RWD?



Looks great BTW, how does it ride?

Mike

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dr-fastlane

posted on 25/9/05 at 10:31 AM Reply With Quote
Hey Guinness, the bike is riding really smoot. You feel like riding an motorcycle and you don’t have to put much force to the pedals to come forward rapidly. But the most fun thing is the response from people when they see you riding “That grazy machine”.

Greets, Roy.






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I have not failed once. I have successfully found ways that will not work!

https://www.motor-forum.nl/threads/hardtail-dragstyle-project.343482/

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JonBowden

posted on 25/9/05 at 11:13 AM Reply With Quote
Did you cut some bits off an old bike - eg pedal and steering bearings ?





Jon

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Winston Todge

posted on 25/9/05 at 11:42 AM Reply With Quote
Awesome effort! How do the brakes work? Rear hub brake?

Chris.






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dr-fastlane

posted on 25/9/05 at 02:53 PM Reply With Quote
JonBowden: The only bits that where cut from an old bike. Are the pedal an steering bearings like you say, and the little brackets that holds the rearwheel.

Winston Todge: The rear wheel has an brakedrum and 3gear-hub.

The only things i had to buy where the special wide-flameprofile-tyres.
Here another photo when the frame work was half done.

greets, Roy

[Edited on 25/9/05 by dr-fastlane]





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nick205

posted on 25/9/05 at 04:06 PM Reply With Quote
Thats really cool

Have you thought of writing a book with drawing plans and building tips

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MikeRJ

posted on 25/9/05 at 06:53 PM Reply With Quote
That does look very

...but....

One thing that would worry me is how the front forks are attached to the head via those two tiny tubes which must be under a huge amount of tortional stress. One bump could either make it a very "low" rider, or you could get speared by the pointy ends of the forks...

Probably just as well there's no brakes on the front...

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niceperson709

posted on 25/9/05 at 11:59 PM Reply With Quote
you obviously had great fun making it but I not only worry about your steering head but also your section that holds the rear wheel is relying on the strength of the joints for rigidity and will fail under stress loadings , you need a straight run from where the rear wheel mounts to the main frame loop. remember triangles are stronger than other shapes.........





Best wishes IAIN
life is not the rehearsal , it's the show so don't sit there thinking about it DO IT NOW
http://iainseven.wordpress.com/


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A3rd.Zero

posted on 26/9/05 at 02:21 AM Reply With Quote
assuming the welds are good, and from a distance they look good. and assuming you used left over pipe and not some fancy bike frame tubing then short of an elephant riding that bike over woozels he'll never have any structural problems.

She's not heavy she's bicycle. Oh wait, she is heavy.

Milo

3 speed internal rear drum? where did you get that wheel?


[Edited on 26/9/05 by A3rd.Zero]

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Peteff

posted on 26/9/05 at 08:16 AM Reply With Quote
3 speed internal rear drum?

Is it a good old Sturmey Archer 3 speed hub? I would put some sort of idler/tensioner on the chain, it looks a bit long to be unsupported unless it's as tight as a bowstring.





yours, Pete

I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.

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DaveFJ

posted on 26/9/05 at 08:19 AM Reply With Quote
Ahh - but can it be built and raced for £250 ???





Dave

"In Support of Help the Heroes" - Always

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indykid

posted on 26/9/05 at 09:19 AM Reply With Quote
you'd hope so, it's a bike ffs

can't wait till we next scrap some bikes at work. i'm gonna git me a chopper!

tom






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dr-fastlane

posted on 27/9/05 at 04:36 PM Reply With Quote
MikeRJ: Don’t worry about the two tiny tubes between the steering head and front forks. These are just like the rest of the frame made from heavy construction steel and no thinly toilet-steel( such as we here in the Netherlands frequently say). Those little tubes are round 25x3 mm and the big ones that holds the wheel are round 35x3.5 mm. But thanks for noticing.

Niceperson709: Building the bike was certainly great fun. And you’re right, triangles are stronger than other shapes. But the fun of building a bike is to break all the rules, and build it like it isn’t possible. This frame is more stiffer and stronger than the donnor bike i used. But just like MikeRJ thanks for noticing.

Peteff: Yesterday i looked at the wheel and it was indeed an Sturmey Archer 3 speed hub. Ten points for you my friend!!! The chain is a little bit long. But is not really as tight as you think it is.

Greets Roy.





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I have not failed once. I have successfully found ways that will not work!

https://www.motor-forum.nl/threads/hardtail-dragstyle-project.343482/

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