Dude ... It's beem a long time that I dream to have a bike like that! Unfortunately I do not have the tools or the knowledge to build it. Not to mention that the cost for me to make such a project in Brazil is very high. But, God willing one day I can do or buy, for my whole family! Huge Hug! Congratulations on the job!
I guess you could really have an aluminium spacer in the outer wheel hub instead of the bearing. The way you adapted the hub to house a keyway drive is very resourcefull
David your ideas and designs are mind blowing! I am a Mechanical Engineering student working on hybrid trikes. Am too working on a hybrid tadpole trike, which is an electric and human power hybrid. Could you provide me with some technical information about the DIFFERENTIAL and THE CV AXLE which you have used. Thank you!
Cara... sonho a muito tempo em ter uma bicicleta dessas! Infelizmente não tenho as ferramentas nem o conhecimento necessário para construi-la. Sem contar que o custo para eu fazer um projeto desses aqui no Brasil é muito alto. Mas, se Deus quiser um dia eu consigo fazer, ou comprar, para toda a minha família! Abraço! Parabéns pelo trabalho!
@FormerDemforRonPaul Hello, I see you are very observant! Actually the first bearing holders were spaced wider apart, but that lead to excessive kingpin inclination and extremely hard to turn. The second design failed in the welded areas, so I went with the current design and the minimal spacing is all I had to work with to allow easy turning and correct geometry. I've been riding over a year now and bearings are still in great shape.
The Bitek hub had cartridge bearings in it and I left the outboard one in to simplify the axle and retaining bolt. The 2nd prototype has the same hub, but on the 3rd one I'll be using shimano hubs and all the bearings will be removed and a special retaining cap will be used.
There are some things I didn't want to document, ie the custom made prototype diff. The details on the new diff is the same way, until I hear back from the patent attorney, there won't be any images or descriptions on that as well. I will try to do better on the details on the next gen trike.
Seeing as the diff is THE KEY PART of a front wheel drive system you perhaps should have gone into a bit more detail here. Pulling a ready assembled unit out of 'thin air' helps noone. Add the statement 'This is something I machined up' and it becomes mere showing off. You did well in building it but rubbish in documenting it. Sorry, mate.
Dude ... It's beem a long time that I dream to have a bike like that! Unfortunately I do not have the tools or the knowledge to build it. Not to mention that the cost for me to make such a project in Brazil is very high. But, God willing one day I can do or buy, for my whole family!
Huge Hug! Congratulations on the job!
I guess you could really have an aluminium spacer in the outer wheel hub instead of the bearing. The way you adapted the hub to house a keyway drive is very resourcefull
David your ideas and designs are mind blowing!
I am a Mechanical Engineering student working on hybrid trikes.
Am too working on a hybrid tadpole trike, which is an electric and human power hybrid. Could you provide me with some technical information about the DIFFERENTIAL and THE CV AXLE which you have used.
Thank you!
Cara... sonho a muito tempo em ter uma bicicleta dessas! Infelizmente não tenho as ferramentas nem o conhecimento necessário para construi-la. Sem contar que o custo para eu fazer um projeto desses aqui no Brasil é muito alto. Mas, se Deus quiser um dia eu consigo fazer, ou comprar, para toda a minha família!
Abraço! Parabéns pelo trabalho!
@FormerDemforRonPaul Hello, I see you are very observant! Actually the first bearing holders were spaced wider apart, but that lead to excessive kingpin inclination and extremely hard to turn. The second design failed in the welded areas, so I went with the current design and the minimal spacing is all I had to work with to allow easy turning and correct geometry. I've been riding over a year now and bearings are still in great shape.
great job!!
The Bitek hub had cartridge bearings in it and I left the outboard one in to simplify the axle and retaining bolt. The 2nd prototype has the same hub, but on the 3rd one I'll be using shimano hubs and all the bearings will be removed and a special retaining cap will be used.
There are some things I didn't want to document, ie the custom made prototype diff. The details on the new diff is the same way, until I hear back from the patent attorney, there won't be any images or descriptions on that as well. I will try to do better on the details on the next gen trike.
Do you have any technical information on the differential I could use? Still on the patent issue?
Actually I'd like to have some information on that too :-)
where can i get that mechanism
Seeing as the diff is THE KEY PART of a front wheel drive system you perhaps should have gone into a bit more detail here. Pulling a ready assembled unit out of 'thin air' helps noone. Add the statement 'This is something I machined up' and it becomes mere showing off.
You did well in building it but rubbish in documenting it. Sorry, mate.