Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Tue Mar 19, 2019 12:08 pm
No. Saab Viggen. The car all 911 Turbos fear!
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Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
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Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Tue Mar 19, 2019 12:17 pm
Fastest car in the world.
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Tue Mar 19, 2019 12:31 pm
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Tue Mar 19, 2019 1:12 pm
Are you sure that screwing with the people that have total control over your account is the wisest move you've made today?32wildbilly wrote: ↑Tue Mar 19, 2019 12:31 pmYes. I remember that long ago dusty thread! I was only picking on the two resident geeks.
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Tue Mar 19, 2019 1:32 pm
I've done worse!gnat wrote: ↑Tue Mar 19, 2019 1:12 pmAre you sure that screwing with the people that have total control over your account is the wisest move you've made today?32wildbilly wrote: ↑Tue Mar 19, 2019 12:31 pm
Yes. I remember that long ago dusty thread! I was only picking on the two resident geeks.
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Tue Mar 26, 2019 2:38 pm
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Tue Mar 26, 2019 4:41 pm
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Wed Mar 27, 2019 12:53 pm
Those pics are at the office, but the Mrs. is very tolerant of my...gadget proclivity.
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Wed Apr 24, 2019 2:24 pm
Update: The seatpost mount I used suffered catastrophic failure - looks like fatigue from the vibration - and the damn battery fell off.
The beam failed just past the weld - I was not anticipating this mode of failure.
This mount is much more damped; I think that, plus the much chunkier beam, should result in a longer life span. If I make any bikes for other folks, I'll use a 3-point rack that will tolerate loads much better - I just like the look of this seatpost mount.
The beam failed just past the weld - I was not anticipating this mode of failure.
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- Newmount.jpg (62.06 KiB) Viewed 2617 times
Re: Ebike Conversion - My K2 Attack 2.0 w/ 48v 1000 watt front hub motor and 4x sealed lead-acid batteries
Posted: Wed Apr 24, 2019 2:38 pm
Always a good resume of a welder that the metal itself fails rather than the weld (bonus for the nice looking Tig weld) 
Given the weight and that it's hung so far out, I'd add some braces down to the rear wheel frame. That should take the strain off that single joint.
Given the weight and that it's hung so far out, I'd add some braces down to the rear wheel frame. That should take the strain off that single joint.