Instructables

Motorbike + Bicycle + Generator Carrier, Retractable!

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Picture of Motorbike + Bicycle + Generator Carrier, Retractable!

Here you can find my unique retractable motorbike carrier project with 38 photos and detailed explanations...

Step 1: Old One!

When we bought our motorhome, it already equipped with a "carrier" on it.

Design of this carrier was really terrible:

- Due to straight main beams, it reduces departure angle of RV and crashes to ground even at small slopes; for example every ferry travel :(

- Lenghtens RV approximately 55cm, permanently

- Can carry only a motorbike (small one :) ) and no space for our bicycle

- Masks licence plate (it is not legal of course) and no extra driving lights

- No place for bike ramp and we had to carry it in cargo space!

- Main rail steel was too thin and flimsy

- Heavy for its size due to unnecessary thickness of stainless steel pipes

Of course removed it after our second trip and start to design much better one by myself; hooray! :))

Step 2: New Design :)

Picture of New Design :)
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I called customer relations deparment of my motorhome company in Germany and learned that its chasis construction is designed around 150kg including carrier itself.

Planning to design a carrier which can capable to carry motorbike + bicycle + generator + ramp.

My motorbike is around 100kg, carrier itself calculated as (preliminary designs) 32kg...

Have enough capacity for bicycle (12kg) :))

Sometimes I'm using Honda EU 10i generator (12kg) to run 220V air conditioner while travelling.

Fully loaded, slightly exceeding approved capacity; will not tell to anybody ;)

RV schematic is not my own; it is here just to give an idea about calculation basic.

After CAD design, prepared main parts by plywood and check if they interfere with RV's body...

Step 3: Preparing / Finding Parts

Picture of Preparing / Finding Parts
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Main arms made of 8.0mm thick steel, rail and ramp 4.0mm embossed aluminum sheet and generator rack and bicycle rail 3.0mm aluminum sheet.

All sheet parts laser cut and bended in local company.

Note that connection cut for ramp and mounting "lug" for bicycle extension slide...

Running lights are all led, made by Farba :)

Licence plate lights are Hella, chromed.

Also we need steel tubes for fixing mechanism and horizontal support connections.

All screws are stainless steel.

 
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tetra283 months ago

can it hook up to a hitch?

Kevanf13 months ago

Very nice, very neat and very professional looking. Well done on an absolutely top notch Instructable. This has given me some ideas for my ancient Land Rover military ambulance.

serdaro (author)  Kevanf13 months ago

Thanks very much! Most important thing is to find strong connection area on the chasis of your Land Rover...

Kevanf1 serdaro3 months ago

Absolutely agreed :) It shouldn't be too difficult on my Land Rover though. With it being an old 'series' model there have been plenty of military tow bar patterns. So, it's a case of using those and ensuring the weight is properly distributed over as wide an area as is possible. This rather than just have a small area of pressure which may look ok but could cause problems over time.

serdaro (author)  Kevanf13 months ago

All correct! Hope you can do it easily...

tomhung3 months ago

Nice rack! I have a Yamaha champ too. I should dig it out and get it running.

serdaro (author)  tomhung3 months ago

Thanks Tom; Good luck :)

gurcano3 months ago

Tebrikler on numara iş olmuş. Sitedeki bir sürü antin kuntin iş yanında gerçek bir çalışma nihayet. Buralarda bir Türk gördüğüme de sevindim. Hırsızlığa karşı bir de kilit bağlantı noktaları mı lazım acaba?

serdaro (author)  gurcano3 months ago
:)
Bağlantılar civatalı olduğundan kararlı bir hırsıza pek dayanıklı değil tabii ki böyle dışarıda durmak zorunda olan bir sistem.

Ama yine de bisikleti kilitliyoruz :)
amekdala3 months ago

ruhsata işlettin mi :))

harika thuleden mi esinlendin?

serdaro (author)  amekdala3 months ago

Thule de benzer bir ürün var mı ki? Varsa, o benden esinlenmiştir :)

amekdala serdaro3 months ago
:)))
var çeki demiri üstüne bisiklet taşıyıcılar var
craftclarity3 months ago

Really nice!! Looks rock solid!

serdaro (author)  craftclarity3 months ago

Yes, it is stable and looks like factory made :)