To answer one of your previous questions first “how far are you down your route”… answer: a very long way
I have most of the major components in hand and will take deliver of the motor in a few days.To your specific points…
Yep. About that. It won’t be stellar but it will get me going. And I may look at getting a gear reduction box into my phase 1. I’ve already sourced a bunch of kit to do one and have worked with some gearbox suppliers who have supplied parts. I’ll need to engineer a casing, but I’ve got some designs for that already too. Just need to decide if I want “just another” thing to do
I’ve got the SP177-79. It’s good for 240kW and 200Nm. BUT I won’t be able to deliver enough current to achieve max torque, so I’ll be down to around 133Nm from the motor. But your calculations are in-line with what I’ve been working with. It’ll be pedestrian until I can add in some additional gear reduction.SuperV8 wrote: ↑Tue Feb 11, 2025 9:26 pm Which Helix motor have you looked at? If its = SPX177-45 is 150kw but has peak torque of 120Nm - so a max wheel torque of only 432Nm.
Assuming the 1.6 sigma torque is 150Nm (I think max is a bit higher at 163Nm) and if it has 5 gears (3.35:1 > 0.825:1 with 3.92 final drive), then first gear is about 1974Nm wheel torque. 5th gear is 484Nm wheel torque.
I’m way past the point of no return on motor thoughSuperV8 wrote: ↑Tue Feb 11, 2025 9:26 pm Outlander motor is just over 200mm dia - but you would have to add the transmission shape/dimension - but it has 195Nm max torque and 7:1 reduction so 1365Nm wheel force!
https://openinverter.org/wiki/Mitsubish ... Drive_Unit
In any case, just over 200mm is just over too much. 200mm is max, and not a mm more. It’s going to be a game of Tetris to get even the SP177-79 into the gap I have and it relies on the precise geometry of the motor to be able to get it into the frame, by insetting and then raising the motor to fit. I’ll post a link to a 3D print (that I made of the motor last summer) in the hole… (and before I get jumped on… yes I took into account shrinkage in the print )For sure… and in fact I actually have a bearing designed into the motor-mount plate (like everyone doing these projects, there’s way more detail to my design than I can convey in just the few posts I’ve made to this forum to date, I’ve been working on this for more than 4 years now). The SP177 has a 200N radial load capacity but I’m not relying on that for a prop-shaft coupling. I’ll add an additional bearing. In fact I was taking alignment measurements today to make sure the differential points directly at the motor output shaft and so reduces radial loads from the 2 U-joints in the prop. This will be a bit of an experiment for me, but I’ve talked to a few people and I hope I’ve got my calculations right.
For sure! I’ve had contact with some of those you mention. The slow down in EV growth has hit manufacturers hard. And we’ll see consolidation or bankruptcy/administration because of it soon. But the slowdown has also resulted in each company focussing on whatever they see as their strength, and none of them seem to have decided the “single-guy doing a conversion” is what’s going to save their company
. So… there are few options for us conversionists. Added to that the legislative restrictions are probably only going to get tighter, especially if we see some cowboy conversions hitting the press with unplanned-dissassemblies 
But I’m probably in the wrong thread for all this!Thanks again for your thoughts. Much appreciated.
J
