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3dxl's latest activity
3dxl
reacted to
stompandgo's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Holy seatpost, Batman!!! Seriously, clean build.
Yesterday at 7:45 AM
3dxl
reacted to
Chazmo's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Very slick, @3dxl !!
Yesterday at 7:45 AM
3dxl
replied to the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
.
QIROLL Prototype 400W+ finally installed. Hey guys, sorry for long absent, finally i got a bought a small 16" inch folding bike to test...
Yesterday at 12:11 AM
3dxl
reacted to
BluePixel's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Hi Guys... I think this one is interesting for the ones testing new buttons :). I build a small and simple PAS Sensor which plugs into...
Jun 30, 2025
3dxl
reacted to
dangerzone's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Speaking of sanding the tyres smooth, I've been using the belt sander and with my spring contraption to provide constant pressure. I've...
Jun 22, 2025
3dxl
reacted to
EMGX's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
I made up another switch using latching rocker switches. I think I'll stick with this and may or may not add a brake cut out. The 6 ft...
Jun 16, 2025
3dxl
reacted to
Charlie Pendejo's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Thanks yet again. It makes sense the 4" version would be stronger than the 2.75" I'm using. Two reasons not to switch: (a) It's too...
Jun 13, 2025
3dxl
reacted to
EMGX's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Does your spring hinge hold the roller tight enought on the tire to prevent slipping especially in the high setting? I tried my Qiroll...
Jun 8, 2025
3dxl
reacted to
Charlie Pendejo's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Thanks. Stainless, and confirmed my cheapo "high speed" bits got nowhere. I had +some 1/4" aluminum intended to make a sturdy...
Jun 5, 2025
3dxl
reacted to
Charlie Pendejo's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Predictably this project has me repeating "this is why I'm a software guy." Bolted hinge/motor assembly to strap But even this...
May 25, 2025
3dxl
reacted to
Charlie Pendejo's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Getting close. 3D printed adapter seems fine, and simply bolting it to a stretchy velcro-based strap seemed like it'd be plenty secure...
May 16, 2025
3dxl
reacted to
EMGX's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Still trying alternatives to the stock control switch. This time using latching pushbutton switches instead of temporary blade. The...
May 13, 2025
3dxl
reacted to
EMGX's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
I didn't so much like the qiroll hanging down from the kickstand bracket so I attached it from the topside. Less prone to damage and...
May 12, 2025
3dxl
reacted to
dangerzone's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
Thanks for the info. It's certainly neater than the zip tie, bent coat hanger and springs from an IKEA desk lamp contraption that I had...
May 12, 2025
3dxl
reacted to
dangerzone's post
in the thread
REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY
with
Like
.
To answer my own question about Brompton compatibility. It does fit in the rear but involves removal (or trimming) of the mud guards...
May 12, 2025
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