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BrianG
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02.25.2009, 01:59 PM

For sure, the regen braking doesn't do a whole lot to add to runtime. I think the main reason is to provide a place for the energy to go, the added runtime just happens to be a collateral benefit.

Way ahead of you lutach: http://www.rc-monster.com/forum/showthread.php?t=4997

It appears I didn't post it, but I do remember making a three-phase bridge rectifier and capacitor filter and it did provide a decent amount of power (don't have the numbers though).
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lutach
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02.25.2009, 02:05 PM

Quote:
Originally Posted by BrianG View Post
For sure, the regen braking doesn't do a whole lot to add to runtime. I think the main reason is to provide a place for the energy to go, the added runtime just happens to be a collateral benefit.

Way ahead of you lutach: http://www.rc-monster.com/forum/showthread.php?t=4997

It appears I didn't post it, but I do remember making a three-phase bridge rectifier and capacitor filter and it did provide a decent amount of power (don't have the numbers though).
Yes, I did see that one, but it kind of slipped my mind with so many other good threads. I don't thing for the millisecond of this regen it would be beneficial for adding any amount of energy back into the pack. The moment we use the brakes to slow down we basically loose more energy mainly because it will take more to get up to speed.
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BrianG
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02.25.2009, 02:14 PM

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Originally Posted by lutach View Post
...The moment we use the brakes to slow down we basically loose more energy mainly because it will take more to get up to speed.
Of course, but you have to get back up to speed whether you use motor or mechanical brakes. It's obvious that the amount you put back in during braking will be FAR less than you use to accelerate, but a few more mAh is a few more mAh, and maybe a couple seconds more runtime.

Believe me, the intent of the original post was not to start a heated debate about gains in runtime using motor braking. It was just me playing around and tinkering. But, I have seen several posts in the past where this question was asked, so I thought it would be nice to have a tested result instead of theorized.
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lutach
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02.25.2009, 02:41 PM

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Originally Posted by BrianG View Post
Of course, but you have to get back up to speed whether you use motor or mechanical brakes. It's obvious that the amount you put back in during braking will be FAR less than you use to accelerate, but a few more mAh is a few more mAh, and maybe a couple seconds more runtime.

Believe me, the intent of the original post was not to start a heated debate about gains in runtime using motor braking. It was just me playing around and tinkering. But, I have seen several posts in the past where this question was asked, so I thought it would be nice to have a tested result instead of theorized.
I like things like this. The more the better and a heated debate will never come up in here. I've also seen post asking this question and this should keep people informed. This is a nice thread, you got an A+ .
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