Cargo cycles: Difference between revisions

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[[File:Engineers for a Sustainable World2.jpg|thumb]]
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====Rationale====
Licensing vehicles is difficult, complicated, and expensive. Bicycles (and velomobiles) usually don’t require a license. This makes them accessible to the young, differently abled, and societally disadvantaged. This velomobile carries two people plus groceries, is powered by a 1,000 Watt 48 volt wheel motor and recycled LiPo battery, and is recharged by the sun. Always ready to go, never needs to be plugged in.


===Problem===
=Challenge=
Licensing vehicles is difficult, complicated, and expensive.


===Approach===
=Approach=
Bicycles (and velomobiles) usually don’t require a license. This makes them accessible to the young, differently abled, and societally disadvantaged. This velomobile carries two people plus groceries, is powered by a 1,000 Watt 48 volt wheel motor and recycled LiPo battery, and is recharged by the sun. Always ready to go, never needs to be plugged in.


=== Parts ===
= Parts =
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{| class="wikitable"
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Revision as of 22:04, 1 July 2020


Challenge

Licensing vehicles is difficult, complicated, and expensive.

Approach

Bicycles (and velomobiles) usually don’t require a license. This makes them accessible to the young, differently abled, and societally disadvantaged. This velomobile carries two people plus groceries, is powered by a 1,000 Watt 48 volt wheel motor and recycled LiPo battery, and is recharged by the sun. Always ready to go, never needs to be plugged in.

Parts

Quantity Part Link
1 Batteries
2 Motors
1 68mmx113mm bottom bracket - remove and store or recycle nut Amazon
1 3d printed bottom bracket holder CAD
2 Bottom bracket mounting plates - to achieve 68mm width for mounting a sealed bottom bracket, on either side of a 1 1/2 inch (38.1mm) replimat frame, ~15mm thick plate must be used for the bracket on either side. This might work with PET.
4 100 Watt flexible solar panels Amazon
1 crank arm set
1 cranks
1 freewheel to axle adapter
1 keyed axle
1 keyed sprocket
1 pillow block bearings
1 wheel spindle w/ bearings, castle nut, grease cap, cotter pin
1 saddle back / seat
1 http://www.sturmey-archer.com/en/products/detail/xl-sdd
1 https://www.amazon.com/gp/product/B017OMTAV6/
1 https://www.amazon.com/RENOGY-Female-Connectors-Double-Waterproof/dp/B00H1M8ASE/
1 https://www.amazon.com/gp/product/B00E8D7XYG/
1 https://www.amazon.com/gp/product/B00YBWA5VC/
1 https://www.amazon.com/Mega-Brands-Absorber-Chinese-Scooter/dp/B015SLLQL2/


Bottom bracket

  • Bicycle bottom bracket adapter CAD

    Bicycle bottom bracket adapter CAD

  • Bicycle bottom bracket adapter left side

    Bicycle bottom bracket adapter left side

  • Bicycle bottom bracket adapter right side

    Bicycle bottom bracket adapter right side

  • Cranks installed

    Cranks installed

Safety

  • Always-on lights wired into main battery (never forget to charge or turn on)

Interoperability

Development targets

Research

References:

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