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Old 12-11-2017, 11:48 PM   #1 (permalink)
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Default In learn mode......

Me, not a car!
Fixing to start my search for an Insight. Gen 2 of course. My son has a 2010 and loves it! I drove it Saturday night and I now feel like I can enjoy this platform and technology.
I'm coming from a lifetime of V8's and diesel Mercedes, and for the last 8 years a 6 speed Acura TL. It will be a shock to my system, but I got this!
I'm in informationgathering mode, and have to post a couple of times to see signature items, so this is one.
Thanks in advance for the info here I will be reviewing!!!

Last edited by Jimmyl; 12-11-2017 at 11:51 PM.
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Old 12-11-2017, 11:55 PM   #2 (permalink)
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Welcome, do put your location in your profile. It helps when you have questions to know where you are. The Insight was sold all over the world.
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Old 12-12-2017, 12:45 AM   #3 (permalink)
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Quote:
Originally Posted by egads View Post
Welcome, do put your location in your profile. It helps when you have questions to know where you are. The Insight was sold all over the world.
I will, just jumped into some Gen 2 topics.
In a half hour of reading I already fear the CVT!!!!
Supposedly bullet proof on the Prius. Not on the Insight?
My sons 2010 Insight has a real shudder/stall when taking off from a start. Said it's always done that?
He's not a car guy! Just drives 'em.
Off to search.....


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Old 12-12-2017, 04:52 AM   #4 (permalink)
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As long as you replace CVT fluid and filters as per service interval (ore more often), you should be fine. I like the CVT, it really suits the car.
The shudder is normal. Honda thought it was "good enough" and went for some stiffer mounts and less refined activation of the IMA (which starts the engine, not the 12V starter...)
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Old 12-12-2017, 05:25 AM   #5 (permalink)
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I don't think it should shudder.
I get the occasional slight bump when it is cold, usually when transferring from slower than 15 km/h to faster than that or vice versa (e.g. the small clutch engaging or disengaging) or when going in and out of fuel cutoff.
But it is nothing like the bumps you get from a traditional gearbox.

Last Sunday the road was atrocious; lots of snow around freezing point. ABS, VSC and ESP fighting for control. That gave the odd bump or 2 from the transmission. But in a pack of cars all struggling the G2 held up quite well.
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Old 12-12-2017, 06:06 AM   #6 (permalink)
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No, it isn't anything like the old-times 12V starters or the bumps from old style gearboxes. But just because the Insight's drivetrain is so much more smooth makes it (slightly) perceptible. But if you compare it to the Prius, you'll notice that those "shudders" are completely missing there.
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Old 12-12-2017, 06:14 AM   #7 (permalink)
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Yes, the Prius HSD gearbox is a completely incomparable system; a planetary set of gears with a pair of motor/generators and clutches on the gear rings and axles. The motor/generator pair cushions all the blows.

Downside is that the Prius only has 3 real 'gears', the other gear ratios are filled in by the the motor/generator pair, wasting some in the conversion.
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Old 12-12-2017, 06:42 AM   #8 (permalink)
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Being an engineer myself, the Insight CVT is a piece of genius technology. Being able to operate the combustion energy at the precise load needed - almost regardless of the speed - is a cool thing. Squeezing the IMA between the ICE and the gearbox limits it's efficiency, but allows for better integration as starter/generator.
All in all, the Insight shows, how a simple, efficient system should have been designed. The Prius is overcomplicated with not that much benefit compared to the Insight.

Still, I would like to see a few improvements. For instance the clutch engage/disengage could be a bit smoother. The switchover from ICE to IMA at very low speeds could be smoother and the A/C control and AutoStop could be a bit more clever.

I'm currently thinking of integrating an Arduino with low-speed and high-speed CAN bus shields to read out the A/C status and vehicle speed. Below 12 km/h it will send the code for A/C OFF via the lo-speed CAN and above 16 km/h the code for A/C Auto, thus improving the IMA AutoStop.
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Old 12-12-2017, 09:44 AM   #9 (permalink)
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Do you really need a back seat? If not, and if you're any kind of car guy, you will find the 5-speed G1 much more rewarding and entertaining.

Sam
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Old 12-12-2017, 10:22 AM   #10 (permalink)
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Quote:
Originally Posted by Rainsux View Post
Do you really need a back seat? If not, and if you're any kind of car guy, you will find the 5-speed G1 much more rewarding and entertaining.
Sam
G1 is a geeky thing. And can be modified to suit your needs without going down deep into the rabbit hole of undocumented CAN bus protocols, but it's getting old. Yes, I know, Aluminium (I am European) and such, but one would possibly have to buy a replacement battery to pass mandatory testing here in Europe.

If I would not have a wife, a stepson and two medium sized dogs ... I would consider a G1, but for what it's worth, the G2 is a much more practical vehicle for most people.
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