Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

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thomas-neemann
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by thomas-neemann »

jonasb wrote: Mon Dec 27, 2021 1:47 pm You could install a simple differential. The required bevel gears may be recovered from old angle grinders.
that is a good idea. there could be 2 versions. minimal version with compensating gear made of angle grinders. version 2 with car batteries and hub motor
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jonasb
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by jonasb »

Very quick and dirty, using PartDesign, FCGear and Assembly4, loosely based on this image from amazon.
differential.png
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thomas-neemann
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by thomas-neemann »

jonasb wrote: Mon Dec 27, 2021 3:49 pm Very quick and dirty, ...
wonderful, I like that
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thomas-neemann
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by thomas-neemann »

front axle simplest construction made of round steel

part 4

https://www.youtube.com/watch?v=z2iBkqeRBFc


phpBB [video]
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by thomas-neemann »

part 5 frame





https://www.youtube.com/watch?v=u4AVvNQqL08

phpBB [video]




1057.FCStd
(157.31 KiB) Downloaded 18 times


edit

sm20.png
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thomas-neemann
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by thomas-neemann »

part 6 rear wheel steering

the open source velomobil can be downloaded here. (own responsibility)


https://drive.google.com/file/d/1j-tCWu ... sp=sharing



https://www.youtube.com/watch?v=aZ4hTf4EQ-E

phpBB [video]


1.png
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demonstration rear wheel steering

https://www.youtube.com/watch?v=scEPvTjLvkc

phpBB [video]
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by bambuko »

Have you driven forklift truck? :mrgreen:
Rear wheel steering at speed will be "interesting" :lol:
Good luck
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by thomas-neemann »

bambuko wrote: Wed Dec 29, 2021 3:04 pm ...
Rear wheel steering at speed will be "interesting" :lol:
..
that's how I see it, but if you drive a maximum of 30 kmh in the city, it should be safe
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by chrisb »

bambuko wrote: Wed Dec 29, 2021 3:04 pm Rear wheel steering at speed will be "interesting" :lol:
Interesting for sure, but real problems occur only if you have a negative caster angle.
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Re: Avoid waste with freecad through upcycling. bicycle trailer. save water, energy ......

Post by thomas-neemann »

update

Solar panels provide shade and charge during the journey and when parking (during the day)

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