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NiHaoMike · 01-14-2009, 12:46 PM

Those work somewhat like the IMA system in Hondas, not the HSD system in Toyotas.

The advantages I see with a HSD-like bike are:
*"infinite" gear ratios with a simple mechanical system (IMA-like bike would need a mechanical CVT to do the same)
*operation is mostly defined in software, allowing extensive customization if open source
*since power flow is managed electronically, overall energy usage can be accurately measured and recorded (think Scangauge for your bike)

Also note that HSD is superior to IMA at low speeds, exactly where bikes operate at!

01-14-2009, 12:46 PM	#3 (permalink)
NiHaoMike Master EcoModder Join Date: Sep 2008 Location: Texas Posts: 632 Thanks: 0 Thanked 24 Times in 22 Posts	Those work somewhat like the IMA system in Hondas, not the HSD system in Toyotas. The advantages I see with a HSD-like bike are: "infinite" gear ratios with a simple mechanical system (IMA-like bike would need a mechanical CVT to do the same) operation is mostly defined in software, allowing extensive customization if open source *since power flow is managed electronically, overall energy usage can be accurately measured and recorded (think Scangauge for your bike) Also note that HSD is superior to IMA at low speeds, exactly where bikes operate at! __________________ If America manages to eliminate obesity, we would save as much fuel as if every American were to stop driving for three days every year. To be slender like Tiffany Yep is to be a real hypermiler... Allie Moore and I have a combined carbon footprint much smaller than that of one average American...