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Volksrod/Buggy pedal powered?!


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  • 4 weeks later...

So after a couple of big days finally got the rear end sorted, originally had the drive wheels out beyond the body.

Revised this they now sit nicely in the space where the VW engine would have sat. So in a sense have the motor

where it should be! Next sort out the chain drive, plan is to have two idlers up to the pedals.

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The outer wheels take some of the load, hoping most of the weight comes onto the middle drive wheels,

all four have suspension, outers leaf springs, inners coils. Scored the outers off a children’s pram, the inners

off an old school suspension mountain bike.

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After the drive system is sorted front end and steering, long way to go but getting there!

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Any tips criticism gratefully accepted.................? 

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  • 1 month later...
  • 4 weeks later...

Bit more done, apart from tuning the drive train added a few more bits top get

the Volksrod look happening. Lowered the bonnet, the head lights that turn

with the front wheels, wheel covers with VW hub caps. Added a smaller nerf

bar and used the same fold down windscreens from the buggy, see above.

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Finally would be most grateful for some assistance from those with a little

steering geometry knowledge? I am trying to get Akermann’s sorted with

the steering, as in getting the inside wheel to turn a tighter circle than the

outside wheel at full lock. Have mountied the outer tie rod in a few positions

and can’t for the life of me get this sorted, see below where the outer tie rod

is mounted, thank you.

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length of steering arm will only adjust the speed the wheels turn vs input (which also changes force applied to turn the wheels, longer =easier, shorter = harder)

ackerman is based on drawing imaginary parallel lines down the sides of you "vehicle" intersecting the lower pivot of your king pin angle. moving the steering mount location, inboard or outboard of this will change your ackerman

being front rack you want to move the mounts outwards so that the steering mount intersects the lower king ping piviot and aims towards the centre of the rear axle for optimal turning

Ackermann_turning_circle.jpg

ackerman.jpeg

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  • 3 months later...

Bit more progress, made up some panels for the front and a rear end tray made

fairly light to so not so much usable, more for looks, paint next.

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Ploddin along with this build, replaced the ply side panels for the body with coroplast

plastic sheets, easy to work with and more importantly light weight.

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Suicide doors of course.

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