DBye

Just to follow this up, purchased the charger linked above, arrived very quickly ~1 week, parcel was marked with UK address which was interesting. The charger is smaller than the genuine Oxygen - better for lobbing in the pannier. Seems to charge the battery fine - no problems.

Ha! Time I did an upgrade then!

I'd be interested to try a gravel bike. I used to ride a cyclocross to work prior to the Oxygen. My route was a mix of on road and off road and I found it to be quick on both. I've read that the position is a little more upright on gravel bikes, is that true?

You could buy the S-Cross CB from halfords: http://www.halfords.com/cycling/bikes/electric-bikes/oxygen-s-cross-cb-hybrid-electric-bike-19in I'm not sure if you can still apply for a discount, but worth a try. *and after sorting out a few initial gremlins it is a very nice commuter.

Noted!

Thanks for your replies. I had thought it should be straightforward (any 42V, 2A charger with correct connector). The £50 price tag filled me with doubt that I'd must have missed something and it couldn't be so straightforward, and that little LED that turns from Green to Red most have some real significance. Oxygen import the chargers from China. Regardless who I buy from I am supporting China. If the chargers were made in the UK I could see an argument.

Anyone have any recommendations for sourcing a spare charger for my S-Cross? The one that came with it is a SANS SSLC084V42, rated output 42.0V - 2A, centre positive. Oxygen will sell me one, but for £50. Would there be any issues (aside from my warranty) if I used a third party one, such as: https://tinyurl.com/komyw6m

Got my wheel back... It's awesome, does 18mph up the hills!

From theory to practice: http://www.pedelecs.co.uk/forum/threads/oxygen-s-cross-cb-shunt-mod.27282/ Thought I'd best make a new thread in the S-Pedelecs section to keep the Mod Gods happy!

Following on from this thread: http://www.pedelecs.co.uk/forum/threads/oxygen-s-cross-cb-hunt-for-the-shunt.27196/ I've done the deed. Bought 3x R006 resistors rated to 2W and 2512 in size and piggy backed these onto the three R002's on the board. It isn't my finest soldering job, but seems to be ok. Before: After: The piggy backed R006's don't protrude far at all and don't interfere with getting the PCB back into the controller housing at all: . Unfortunately, I've not been able to test it out. My wheel is away for spoke replacement (2 broke on way to work, stupid roads) and a true/tension checking. The bike does still turn on at least so that must be good sign surely?!

https://cyclestreets.net/ here.

Thanks [uSER=4366]@d8veh[/uSER] -I'll take the plunge and put my Ebay order in. Will go for the R006's - If I'm invalidating my warranty I want to do it properly [mention=6303]Woosh[/mention] -I had wondered that too. See post 3 for a pic of the PCB in the case, there is a good few mm of clearance, so hopefully it will clear it. If I find it is a bit too tight I guess I can try varnishing the inside surface of the case or use electricians tape. Hopefully that won't be needed.

[mention=6303]Woosh[/mention] -Thanks for the clarification, that's what I was thinking, piggy back an R006 onto each of the three R002's. I have a healthy fear of meddling with PCBs and electronics in general so I want to proceed with caution. I used to work in a clean room using 30kV power supplies (drawing only milliamps). We had a nasty shock when we realised the earth was insufficient and when using the power supply the taps, fridge, fume cupboards all became live!

Thank you all for the very helpful replies. The R002's used seem on the large size so it looks like 2512 would be the closest fit. As a sanity check - The three R002's created a total resistance of 0.666' mOhm. If I piggy back R006's onto the R002's I'll reduce the total resistance (sum of all resistors in parallel) to 0.5 mOhm. If I use a 10 mOhm resistor that would reduce the total resistance to ~0.57mOhm. I'm tempted to go for the R006's (the maths was nicer!), so something like these: https://tinyurl.com/l4prkjr

[mention=6303]Woosh[/mention] they are R002 -please see slightly less rubbish photo attached. Looking at the component side of the board there doesn't seem to be anything hidden under the capacitor save for an IC of some sort.

I remember a conversation I had with a paramedic and the changes he had seen in car accident injuries. Before the introduction of safety belt and improved brakes the injuries were more of the "gone through the front window" and covered in blood and crush type injuries. Following the safety improvements the injuries became arguably more complex internal injuries. I do think there is something in the argument that some safety features can promote greater risk taking in cycling/driving due to a perceived increase in safety. I saw this was a concern on the BBC regarding semi-self driving vehicles making drivers complacent.

Sorry [mention=4]flecc[/mention], it was an American economist not the OMRLP: https://en.m.wikipedia.org/wiki/Tullock_Spike

" the solution may well be less protection." -this reminds me of a Monster Raving Looney policy to have a 3" metal spike mounted to steering wheels to remind drivers of their own mortality.

[uSER=4366]@d8veh[/uSER] - Thanks, I did take a good look around the PCB, but didn't look too closely under the capacitor. There is a rather large resistor adjacent to it (see attached rubbish photo). When I have a chance I'll take another closer look.

I've been reading (always dangerous) about doing things to my shunt in my S-Cross CB. I found the controller and had a look, but have failed to identify anything that looks like a shunt save for some really heavy solder tracks, but guess these could be for heat dissipation. Anyone have any ideas?

I think theyv' gone up about 100 quid acrosss the board. i bought an S-Cross CB last year for 1300 from memory (13Ah version). I think it is due to the increased costs of importing [citation needed].

For me I always keep an eye on them. The roads and cycle track here (Sheffield) are sometimes more hole than road and things come loose from the vibration. Although, each loose bolt I find gets a good coating of locktite threadlock, and so far they seem to have survived the good vibrations. The worst ones I've had are crank and pannier bolts.

Also if Panda leisure bikes commenced use of the mark prior to your trademark registration then they enjoy a prior user right, but you could still try a "passing off" claim.

Make sure you're aware of the unjustified threats provisions of the trade marks act 1994 (section 21). Limit your accusations to the wording in that section or you could be placing yourself at risk of a counter claim. Is your trade mark for the text alone or part of a figure as that will narrow the scope of protection it affords?

Is your bike still in warranty? If so contact John at oxygen bikes who will likely give you some for free. They replaced two broken spokes (snapping 2 more in the truing process), and then gave me 6 to take home (which I've used) with me for free. I suspect/hope I'm a one off (bike snapped another 2 recently, back wheel going back to them Monday), but it would be useful for them to know if others have a problem.