Dave's 80:1 RC mid drive kit build log

Discussions related to motors other than hub motors.
This includes R/C motors, botttom bracket, roller and geared drives.
Grantmac   10 kW

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Re: Dave's 80:1 RC mid drive kit build log

Post by Grantmac » Oct 05 2019 5:41pm

klaus79856 wrote:
Oct 05 2019 1:50pm
Visited the tangentmotors Webpage.
Can I still buy a drive kit from them ?

Sent a message to Dave but no reply.
Nope, if you really want a drive like this you either look for used or go with the CYC X1.

aCeMadMod   1 kW

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Re: Dave's 80:1 RC mid drive kit build log

Post by aCeMadMod » Oct 05 2019 6:24pm

Only thing close is a m1 bike . Guess 15k

Money to burn or make your own...
You pick good luck

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Re: Dave's 80:1 RC mid drive kit build log

Post by Ecyclist » Oct 06 2019 10:37am

I built a drive for myself. In two days I will by flying with my set-up to Japan. I designed it for steep mountain roads and speed up to 50 kph, (surface road speed limit on island of Shikoku) reliability and efficiency. I'm confident that I will cover 1000 miles in two weeks time. I will be visiting 88+ Buddhist temples. Once I'm back I will build something for more speed and power. No BS.
Avian set up for Japan.JPG
Avian set up for Japan.JPG (264.21 KiB) Viewed 506 times
Don't expect from life to be easy and then it will be.
My builds:
Avian with hypocycloidal drive https://endless-sphere.com/forums/viewt ... 2#p1318056
2016 GNG extreme drive https://endless-sphere.com/forums/viewt ... 28&t=82252

Xtr6   10 W

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Re: Dave's 80:1 RC mid drive kit build log

Post by Xtr6 » Oct 06 2019 11:22am

Fix my Tangent and it holds up the abuses over 2 weeks now. Made a new piece out of steel, and I also made a cover for the gearing. I have made this with a vacuumforming machine out of a clear sheet 3 mm Polycarbonate. This realy keeps the chain clean. And it is more safe. Can make a few more if there is somebody who like it.

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Re: Dave's 80:1 RC mid drive kit build log

Post by Xtr6 » Oct 06 2019 12:39pm

a picture say's more. Bike is a Kona Entourage DL tangent drive is inside the triangel
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GEDC0190.jpg
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PaulD   100 W

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Re: Dave's 80:1 RC mid drive kit build log

Post by PaulD » Oct 06 2019 3:07pm

Ecyclist wrote:
Oct 06 2019 10:37am
I built a drive for myself. In two days I will by flying with my set-up to Japan.
How are you going to get that bike on the airplane?

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Ecyclist   1 kW

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Re: Dave's 80:1 RC mid drive kit build log

Post by Ecyclist » Oct 06 2019 5:44pm

PaulD wrote:
Oct 06 2019 3:07pm
Ecyclist wrote:
Oct 06 2019 10:37am
I built a drive for myself. In two days I will by flying with my set-up to Japan.
How are you going to get that bike on the airplane?
Check in Ogio 9800. No extra charge. First class on Dreamliner. It's the only way to fly.
Don't expect from life to be easy and then it will be.
My builds:
Avian with hypocycloidal drive https://endless-sphere.com/forums/viewt ... 2#p1318056
2016 GNG extreme drive https://endless-sphere.com/forums/viewt ... 28&t=82252

Animalector   10 kW

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Re: Dave's 80:1 RC mid drive kit build log

Post by Animalector » Oct 06 2019 6:49pm

So they are letting you fly with lithium batteries in a bike? I realise you can take bikes as checked luggage, but an ebike? didn't think so. Some more information would be awesome I think there are plenty of people who want to travel with their ebikes.

Andy

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Re: Dave's 80:1 RC mid drive kit build log

Post by Ecyclist » Oct 06 2019 10:43pm

Animalector wrote:
Oct 06 2019 6:49pm
So they are letting you fly with lithium batteries in a bike? I realise you can take bikes as checked luggage, but an ebike? didn't think so. Some more information would be awesome I think there are plenty of people who want to travel with their ebikes.

Andy
The regulations are not very clear. Theoretically there is no limit on how many 18650 cells you can take on board, but I can bet my ass that I couldn't get through TSA. I could ship them by sea or buy them in Japan. I chose option number two. They are already waiting for me in my friend's house. I just stuff them in a specially designed case and I will be on my way. After I finish with my trip I will send them by sea back to the US. It will take one to three mouths. I'm OK with that.
Les
Attachments
New battery set-up.JPG
New battery set-up.JPG (138.62 KiB) Viewed 437 times
Don't expect from life to be easy and then it will be.
My builds:
Avian with hypocycloidal drive https://endless-sphere.com/forums/viewt ... 2#p1318056
2016 GNG extreme drive https://endless-sphere.com/forums/viewt ... 28&t=82252

Animalector   10 kW

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Re: Dave's 80:1 RC mid drive kit build log

Post by Animalector » Oct 07 2019 12:33am

So basically you will build your pack on arrival.. you're not shipping a pre-built lithium pack. That makes more sense.

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Re: Dave's 80:1 RC mid drive kit build log

Post by sephespid » Oct 23 2019 10:11pm

I think I just fried my tangent kit's cycle analyst(or maybe esc) but I heard can't get in touch with Dave.
symptom : When I connect battery, no arming sound at esc and cycle analyst backlight is blink once, and no text and no response.
How should I test which module is dead?

knurf   10 W

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Re: Dave's 80:1 RC mid drive kit build log

Post by knurf » Oct 24 2019 4:18am

sephespid wrote:
Oct 23 2019 10:11pm
I think I just fried my tangent kit's cycle analyst(or maybe esc) but I heard can't get in touch with Dave.
symptom : When I connect battery, no arming sound at esc and cycle analyst backlight is blink once, and no text and no response.
How should I test which module is dead?
I'd guess that your ESC is dead (they are pretty sensitive to water as they come shipped from Dave - I've killed a few), it's way harder to kill a CA.

You could try to carefully feeding the cycle analyst current through its connector directly, look at the specification and double check to see which pins (V+ and Gnd). It should boot up and show the normal functions if it works.

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