LightningRods mid drive, spinningmagnets' build

Discussions related to motors other than hub motors.
This includes R/C motors, botttom bracket, roller and geared drives.

LightningRods mid drive, spinningmagnets' build

Postby spinningmagnets » Wed Jun 25, 2014 8:47 am

For info on the history of the development of this drive, here is the original thread:

"LightningRods mid drive kit"
http://endless-sphere.com/forums/viewtopic.php?f=28&t=57720

I write for electricbike.com, and when I explained to the senior editor why this new drive was so great (IMHO), he bought me the first production unit. It was partially so we could test review it, but since I don't get a paycheck for writing, this is also an occasional perk (Thanks, Eric!).

The package was well-packed, so the parts arrived without any being bent, scratched, dinged, or broken.

LR1 002.JPG
LR1 002.JPG (90.21 KiB) Viewed 18133 times


The first order of business is to start the search for a local bike that is worthy of this drive, so I am using a common 8 X 11 manila folder as the template.

LR3 001.JPG
LR3 001.JPG (95.37 KiB) Viewed 18133 times


This particular fork only has about 4 inches of travel, but it still looks like I'll be fine to do some experiments with this one while I search for the "perfect" frame. I'll post dimensions for a template for those who want to see if it will fit their favorite frame before committing to buying the kit.

LR4 001.JPG
LR4 001.JPG (76.24 KiB) Viewed 18118 times


I'll add the dimensions tomorrow (*yawn...)

LRtemplate.png
LRtemplate.png (45.9 KiB) Viewed 17937 times


I think the easiest way to make this template is to start with drawing the green triangle. The three points of the triangle are the centers of the BB, the motor, and the jackshaft. The horizontal line is 5-3/4 inches (146 mm), the short vertical line on the right is 4-3/4 inches (121 mm), and the long line is 9-3/8 inches (238 mm).

Next draw the four black circles. The motor and jackshaft pulley are both 5-3/4 diameter. Half the diameter is the radius, 2-7/8 inches. (diameter 146 mm, radius 73 mm). The two circles for the BB are the inside diameter of the hole and the outside diameter of the bracket. the ID is 1-5/8 inches (41mm), and the OD is 2-1/4 inches (58 mm).

Now to draw the red lines. I laid the long edge of an envelope on the vertical green line on the right, in order to make a 90-degree angle. Then I drew the short red line pointing to 10:00 O'Clock from the center of the jackshaft. Draw it out a length of 1-3/8 inch long (35 mm).

Get a straight-edge at least a foot long and draw the long red line by connecting the edge of the circle that defines the BB ID, and that mark you made on the red line that makes it.

Draw the two red lines near the bottom that connect the big circles, and the short red line that is above the BB is parallel with the red line below it. Cut out the outer shape, and then cut the template BB in half so you can hold the template up to the front half of a bikes BB
Last edited by spinningmagnets on Thu Jun 26, 2014 9:54 am, edited 6 times in total. View post history.
User avatar
spinningmagnets
100 GW
100 GW
 
Posts: 9831
Joined: Fri Dec 21, 2007 10:27 pm
Location: Ft Riley, NE Kansas

Re: LightningRods mid drive, spinningmagnets' build

Postby spinningmagnets » Wed Jun 25, 2014 8:47 am

reserved for final results and pics
Last edited by spinningmagnets on Wed Jun 25, 2014 8:47 am, edited 1 time in total. View post history.
User avatar
spinningmagnets
100 GW
100 GW
 
Posts: 9831
Joined: Fri Dec 21, 2007 10:27 pm
Location: Ft Riley, NE Kansas

Re: LightningRods mid drive, spinningmagnets' build

Postby t0me » Wed Jun 25, 2014 10:08 am

love the template idea, gonna be stealing that :-)
Kona Stink-E - GNG based mid-drive - viewtopic.php?f=28&t=56357&p=839416#p839416
Giant Anthem - LightningRods mid-drive viewtopic.php?f=28&t=67014&p=1008007#p1008007
t0me
100 W
100 W
 
Posts: 217
Joined: Mon Mar 11, 2013 9:44 am

Re: LightningRods mid drive, spinningmagnets' build

Postby LightningRods » Wed Jun 25, 2014 10:11 am

Yep, that's a good idea. It's also a good way to deal with custom bracket designs. Well done sir!
"It is possible to fly without motors, but not without knowledge and skill." -Wilbur Wright

Lightning Rods Web Site http://www.lightningrodev.com
Lightning Rods Facebook Page https://www.facebook.com/pages/Lightning-Rods/613804531978401
User avatar
LightningRods
1 MW
1 MW
 
Posts: 1853
Joined: Tue Oct 23, 2012 7:37 pm
Location: Western Oregon, USA

Re: LightningRods mid drive, spinningmagnets' build

Postby teslanv » Wed Jun 25, 2014 10:21 am

Subscribed.
"It's a Dog-Eat-Dog world out there, and I'm wearing Milk-Bone underwear."
User avatar
teslanv
100 MW
100 MW
 
Posts: 2667
Joined: Sun Nov 03, 2013 8:42 pm
Location: Undisclosed Jedi Temple

Re: LightningRods mid drive, spinningmagnets' build

Postby scorpionice » Wed Jun 25, 2014 10:37 am

subscribed... :lol:
scorpionice
10 W
10 W
 
Posts: 87
Joined: Sun Sep 15, 2013 7:01 pm
Location: Yakima, WA

Re: LightningRods mid drive, spinningmagnets' build

Postby r3volved » Wed Jun 25, 2014 11:27 am

Nice!
Clearly it would fit my Chucker :D
Subscribed...
User avatar
r3volved
1 MW
1 MW
 
Posts: 1587
Joined: Wed Jul 24, 2013 4:01 pm
Location: Waterloo, Ontario, Canada

Re: LightningRods mid drive, spinningmagnets' build

Postby m4s73r » Wed Jun 25, 2014 3:36 pm

Im on board.
User avatar
m4s73r
100 W
100 W
 
Posts: 168
Joined: Sat Feb 01, 2014 3:05 am
Location: Kansas City Missouri,

Re: LightningRods mid drive, spinningmagnets' build

Postby waynebergman » Wed Jun 25, 2014 6:52 pm

Screen Shot 2014-06-20 at 5.11.11 PM.jpg
Screen Shot 2014-06-20 at 5.11.11 PM.jpg (187.04 KiB) Viewed 17952 times
Go get em Ron! It will be great to follow all the build threads now with this new kit up and running. I look forward to hearing about your progress and enjoyment of your new project. Thanks so much for collecting all the info regarding this kit and doing your bit to promote it. Awesome!

I know you are a big fan of the 18650 packs and also Cellman packs so I would like to recommend the good old Giant DH in your quest to find the right frame. I love this old frame and it lets you fit in one of Pauls 14.3 ah packs in the main triangle shown in the photo above.

This Kit and the Motoped stuff I what I am directing any people to look into that may inquire about the pedal assist world.
Last edited by waynebergman on Wed Jun 25, 2014 7:32 pm, edited 1 time in total. View post history.
User avatar
waynebergman
10 kW
10 kW
 
Posts: 761
Joined: Sat May 07, 2011 4:20 pm
Location: Pender Harbour British Columbia Canada

Re: LightningRods mid drive, spinningmagnets' build

Postby t0me » Sat Jun 28, 2014 3:03 am

Hi Magnets, in your template, the scale is cm or in?
Cheers,
Tom
Kona Stink-E - GNG based mid-drive - viewtopic.php?f=28&t=56357&p=839416#p839416
Giant Anthem - LightningRods mid-drive viewtopic.php?f=28&t=67014&p=1008007#p1008007
t0me
100 W
100 W
 
Posts: 217
Joined: Mon Mar 11, 2013 9:44 am

Re: LightningRods mid drive, spinningmagnets' build

Postby izeman » Sat Jun 28, 2014 7:18 am

how could that be cm? if it was the whole kit would fit in your palm. also there are 4/8 dividers in decimal world it would be 5/10.
User avatar
izeman
10 GW
10 GW
 
Posts: 4257
Joined: Tue Jun 21, 2011 8:25 am
Location: vienna, austria

Re: LightningRods mid drive, spinningmagnets' build

Postby spinningmagnets » Sat Jun 28, 2014 7:42 am

It's in inches, but I just drew that scale to make sure the drawing was proportionally close to having the correct "look". Please don't use that scale to try to print out a template. If you follow the written instructions, you can draw a perfectly accurate template.

chain guide pic: viewtopic.php?f=28&t=42785&start=1425#p704856
Last edited by spinningmagnets on Thu Jul 24, 2014 10:05 am, edited 3 times in total. View post history.
User avatar
spinningmagnets
100 GW
100 GW
 
Posts: 9831
Joined: Fri Dec 21, 2007 10:27 pm
Location: Ft Riley, NE Kansas

Re: LightningRods mid drive, spinningmagnets' build

Postby gwhy! » Sat Jun 28, 2014 8:21 am

I really wish you people across the pond will use a metric system instead of lbs and inches :mrgreen: it make things so mush easier to follow ..

Looking forward to your review !
User avatar
gwhy!
1 MW
1 MW
 
Posts: 1780
Joined: Wed Jun 08, 2011 3:47 pm
Location: Bristol, Uk

Re: LightningRods mid drive, spinningmagnets' build

Postby izeman » Sat Jun 28, 2014 9:05 am

spinningmagnets wrote:It's in inches, but I just drew that scale to make sure the drawing was proportionally close to having the correct "look". Please don't use that scale to try to print out a template.

i guess you could make a template with paint/photoshop and print it as .pdf. that should make it possible to print it out in the correct size?!
User avatar
izeman
10 GW
10 GW
 
Posts: 4257
Joined: Tue Jun 21, 2011 8:25 am
Location: vienna, austria

Re: LightningRods mid drive, spinningmagnets' build

Postby m4s73r » Sat Jun 28, 2014 9:38 am

gwhy! wrote:I really wish you people across the pond will use a metric system instead of lbs and inches :mrgreen: it make things so mush easier to follow ..

Looking forward to your review !


You know being on this forum does force this to happen. That and you book mark the unit converter. What really gets old is when people start mixing the two.
User avatar
m4s73r
100 W
100 W
 
Posts: 168
Joined: Sat Feb 01, 2014 3:05 am
Location: Kansas City Missouri,

Re: LightningRods mid drive, spinningmagnets' build

Postby ebike11 » Sat Jun 28, 2014 10:22 am

gwhy! wrote:I really wish you people across the pond will use a metric system instead of lbs and inches :mrgreen: it make things so mush easier to follow ..

Looking forward to your review !


Don't British people use stones or something for weight?? just as confusing
ebike11
10 kW
10 kW
 
Posts: 698
Joined: Sat Nov 16, 2013 8:01 pm
Location: Korea

Re: LightningRods mid drive, spinningmagnets' build

Postby gwhy! » Sat Jun 28, 2014 11:52 am

ebike11 wrote:
gwhy! wrote:I really wish you people across the pond will use a metric system instead of lbs and inches :mrgreen: it make things so mush easier to follow ..

Looking forward to your review !


Don't British people use stones or something for weight?? just as confusing


lbs, stone, gallons , miles and inches ( but not as much ) wish it was all metric... :mrgreen:
User avatar
gwhy!
1 MW
1 MW
 
Posts: 1780
Joined: Wed Jun 08, 2011 3:47 pm
Location: Bristol, Uk

Re: LightningRods mid drive, spinningmagnets' build

Postby recumpence » Sat Jun 28, 2014 2:08 pm

How about the Cubit? :mrgreen:

Matt
1% of the world's population can think "Outside the box". The rest are firmly stuck within the box. Where are you?
User avatar
recumpence
100 GW
100 GW
 
Posts: 5201
Joined: Sat Apr 19, 2008 8:33 am
Location: On Earth right now. That can change at any time, though..........

Re: LightningRods mid drive, spinningmagnets' build

Postby t0me » Sat Jun 28, 2014 7:45 pm

how could that be cm?

I asked as it didn't look 100% right in cm OR inches.

A pdf would probably be the easiest way to get it to print to the right scale.
:-)

Cheers,
Tom
t0me
100 W
100 W
 
Posts: 217
Joined: Mon Mar 11, 2013 9:44 am

Re: LightningRods mid drive, spinningmagnets' build

Postby gwhy! » Sun Jun 29, 2014 5:46 am

recumpence wrote:How about the Cubit? :mrgreen:

Matt


:mrgreen: don't even suggest it, because you know what will happen, people WILL start using it :lol:
User avatar
gwhy!
1 MW
1 MW
 
Posts: 1780
Joined: Wed Jun 08, 2011 3:47 pm
Location: Bristol, Uk

Re: LightningRods mid drive, spinningmagnets' build

Postby Megsy73 » Mon Jun 30, 2014 5:17 pm

I write for electricbike.com, and when I explained to the senior editor why this new drive was so great (IMHO), he bought me the first production unit. It was partially so we could test review it


Can you please do an unbiased review of this kit ? Or is it because LightningRods is a long time friend of yours that you will not point out the negative aspects of the kit ?
Megsy73
100 mW
100 mW
 
Posts: 43
Joined: Mon Mar 25, 2013 4:10 pm

Re: LightningRods mid drive, spinningmagnets' build

Postby spinningmagnets » Mon Jun 30, 2014 5:38 pm

Yes, I can review it in a completely unbiased way. Of course, It's possible I might be very biased and i'm just covering that up right now, so...I'll just trust that I have had a consistent reputation in my comments from when I started here in March 2009.

One thing I can say...based on my experience at being an avid reader who prides himself in identifying trends, the LightningRods kit should do just fine with or without me, no matter what I say.

BTW, I only corresponded with Mike after he first posted in the GNG thread (Nov 2012 viewtopic.php?f=28&t=42785&p=667278#p667278). We did not know each other back in Los Angeles when we both were young, but that fact was something that we found we had in common (he lives in Oregon now, I live in Kansas). We've never met, I only know him through ES...

Bikes I'm considering
http://www.walmart.com/ip/29-Iron-Horse ... e/26999361
http://www.electricbike.com/motor-tech- ... ms-part-1/
7-sp steel frame, Feet-Forward http://www.beachbikes.net/products/Firm ... e-230.html
Last edited by spinningmagnets on Sun Aug 03, 2014 11:46 am, edited 3 times in total. View post history.
User avatar
spinningmagnets
100 GW
100 GW
 
Posts: 9831
Joined: Fri Dec 21, 2007 10:27 pm
Location: Ft Riley, NE Kansas

Re: LightningRods mid drive, spinningmagnets' build

Postby r3volved » Mon Jun 30, 2014 6:01 pm

It's still too early for a 100% review anyway. Other than the guys who've built up the gng with all the LR upgrades, no one has put any m/km on the 'kit' yet
User avatar
r3volved
1 MW
1 MW
 
Posts: 1587
Joined: Wed Jul 24, 2013 4:01 pm
Location: Waterloo, Ontario, Canada

Re: LightningRods mid drive, spinningmagnets' build

Postby teklektik » Mon Jun 30, 2014 6:53 pm

Seriously SM - stop wasting time answering rude 17-post twits and get building!
Your contributions have the respect of all - I for one am really looking forward to this build and review.
:D
Last edited by teklektik on Mon Jun 30, 2014 7:45 pm, edited 1 time in total. View post history.
Visit Grin Technologies at www.ebikes.ca
Build Thread: 2WD Yuba Mundo V4
User avatar
teklektik
1 GW
1 GW
 
Posts: 3290
Joined: Sat Mar 26, 2011 1:15 pm
Location: CT, USA

Re: LightningRods mid drive, spinningmagnets' build

Postby Wishes » Fri Jul 04, 2014 10:19 pm

Looking forward to seeing what you turn out :)

Subscribed!

Wishes
Equality is about providing everyone with equal opportunities, it is not about guaranteeing equal results.

1st Build GNG Mid-Drive Kona http://endless-sphere.com/forums/viewtopic.php?f=28&t=52029
2nd Build, Stong GT-S210 modified with 5kw hub motor http://endless-sphere.com/forums/viewtopic.php?f=7&t=58056
User avatar
Wishes
1 kW
1 kW
 
Posts: 386
Joined: Sun Jun 16, 2013 9:29 am
Location: Montreal, QC

Next

Return to E-Bike Non-hub Motor Drives

Who is online

Users browsing this forum: No registered users and 9 guests