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Hello everybody, from distant Croatia! 
I am new to the EV game but eager to learn and to try and build something by myself. As you may or may not know, our country is going down the drain as fuel prices are rising (gasoline almost 9$ per gallon) so me and my buddy are looking to go green (and cheap!).
We have grasped the basics of electricity but still need some guidance, so if anybody's got the patience... it would be much appreciated.
WE would like to start with electric bikes since we already own solid cross-country mountain bikes, with aluminium frames and other parts of decent quality. Our problem lies in not having the option of ordering the parts from the manufactures that you mention here as customs/VAT would kill us. We'll have to improvise with locally available parts but I need some general specs.
The bikes should have an autonomy of about 40-50 miles (more better) and top speed of 30ish miles per hour.
1. How much power do we need in order to achieve this? (DC motor I suppose, what wattage?)
2. What voltage should we aim for and how many Ampere/hours shoud our system be able to store? (we got car batteries denominated in Ah Amperres/Hour)
3. Any other tips, advice, controller unit etc.?
Cheers all and thanx in advance for any piece of advice!
Alex
I am new to the EV game but eager to learn and to try and build something by myself. As you may or may not know, our country is going down the drain as fuel prices are rising (gasoline almost 9$ per gallon) so me and my buddy are looking to go green (and cheap!).
We have grasped the basics of electricity but still need some guidance, so if anybody's got the patience...
it would be much appreciated.WE would like to start with electric bikes since we already own solid cross-country mountain bikes, with aluminium frames and other parts of decent quality. Our problem lies in not having the option of ordering the parts from the manufactures that you mention here as customs/VAT would kill us. We'll have to improvise with locally available parts but I need some general specs.
The bikes should have an autonomy of about 40-50 miles (more better) and top speed of 30ish miles per hour.
1. How much power do we need in order to achieve this? (DC motor I suppose, what wattage?)
2. What voltage should we aim for and how many Ampere/hours shoud our system be able to store? (we got car batteries denominated in Ah Amperres/Hour)
3. Any other tips, advice, controller unit etc.?
Cheers all and thanx in advance for any piece of advice!
Alex
