My velomobile as car alternative

[TimV]

Yesterdag i bought myself an velomobile. It is a Holland product. A Flevobike Versatile nr 021.

I want to add electric assist in it.
I need to do a 35km trip to work and after work 35km back home.


The assist needs to be installed in the chain line. Because all wheels are single sided mounted. So no hub motors. Target speed of electrical assist is topspeed of around 50km/h.

[cRiPpLe_rOoStEr]

Have you ever considered repurposing a starter motor to be used as the e-assist there?

[vskid3]

Endless Sphere would be the best place to look for ideas, here's the non-hub motor forum. https://endless-sphere.com/forums/viewforum.php?f=28 The most popular ones now are the BBS02, BBSHD, and Cyclone 3000 (from least to most powerful, both stock and potential). Any of them should get you to 50km/h, just depends on how fast you want to get there. Not sure how much power you'll use compared to a bike, but you'll probably be looking at a 48v 15Ah pack for one way or 20-25Ah for the whole trip without charging (again, I'm not sure how much of a savings the velomobile will give over a bike, so less might do the job). You'll want some sort of lithium battery, lead acid isn't worth all the drawbacks.

[TimV]

Yes. Lithium is the way to go.
I already have a thread running on that forum. But i aim not shure if i can fit a normal crank motor conversion in it. And i want to update the readers of my cars thread what i do now

Hopefully i can discover how the pedals are attached to the frame and then i can make a descision on what i need to use.

On a normal bike you cruze like 20 to 25km/h. With the velomobile, thanks to the aero benefit, you cruze with the same effort at 30 to 35km/h. That is a nice benefit.
Only when you need to climb a hill. The extea weight will work averse and slow you down. Until it is back downhill.

I used to have an 45km/h pedelec with a 350W crank motor. I aim aiming for equal power. Like the 350W or the 500W version.

[TimV]

I aim looking for a small hubmotor to place in the chain line.

In this topic i want to focus on the aerodynamics. A lot has to be gained at the rear. What new rear design is the best solution?

[Frank Lee]

I just like saying "Flevobike".

[samwichse]

Originally Posted by TimV

Yes. Lithium is the way to go.
I already have a thread running on that forum. But i aim not shure if i can fit a normal crank motor conversion in it. And i want to update the readers of my cars thread what i do now

Hopefully i can discover how the pedals are attached to the frame and then i can make a descision on what i need to use.

On a normal bike you cruze like 20 to 25km/h. With the velomobile, thanks to the aero benefit, you cruze with the same effort at 30 to 35km/h. That is a nice benefit.
Only when you need to climb a hill. The extea weight will work averse and slow you down. Until it is back downhill.

I used to have an 45km/h pedelec with a 350W crank motor. I aim aiming for equal power. Like the 350W or the 500W version.

Keep in mind, if your motor is inside the velo shell (as something like a BBS02 or your hub motor on the chain), you'll need to allow for some airflow for cooling it. Most of these things have specs based on running in open air, so you may need to de-rate some.

Sam

[Grant-53]

Flevobike has an electric motor option for the updated Orca version. As for aerodynamics the lower body at the rear could be extended to cover the swing arm and wheel. Compare with pictures of the Sunrider or Go-One.