Frank Skilbeck

You'll get around 2.2 kw, so every hour that would be around 9 miles range added every hour. When we first got our Mini we charged on a 3 pin plug, one charge took 8 hours to go from 40% to 95%, but the Mini is a small battery.

Just one note of caution, if asked to test a model on a Tx using Open Tx don't only check the control directions but also the that the trims work in the correct sense too.

I like to maiden all my own models, and practise is very similar to Jons. But have some club members who prefer to have somebody else test and trim out their models, even then I've flown something got it flying nicely and on the owners first flight they's either hauled it off the ground too soon or stalled it from 6ft on landing because the model flies different to what they normally fly, so I often do a few take offs and landings for them and let them have the Tx to get the feel for the model. I've got an EDF been waiting for a maiden flight for a couple of months but the weather has stopped me from getting our strip EDF ready.

Yep, IO has yet to charge our Mini in the fixed 2330-0539 cheap time slot, plugged it in last night at 16:55 and got a message that charging was delayed until 17:00, probably to pick up on 30min smart meter time slots, all finished by 19:40. And we would still get the cheap rate on the overnight period. As I noted earlier we are plugging it in around 5pm so we can also cook our evening meal on cheap electric too 👍 I just have a charging schedule set up on the Ohme app to charge the car to 80% by 8am, plug it in and let Octopus decide when they'd like to charge it up with cheap electric, very simple to set up and use. Would be more complicated if you had home storage batteries as you'd want to make sure you charge them in the period and don't draw on them.

Probably, without the crystal it won't be transmitting, with it will so the extra power is drawing the battery voltage down a bit. Not sure why you can't get into programming mode but make sure the gap round the push buttons is clean, it maybe that they are not fully depressing.

👍with the Ohme pro, on the Octopus devices page it takes you to the Ohme app, different presentation but basically the same info. I note you've got it to add 80%, so it will try to add 80% of the batteries capacity, i.e. if when you plug in at 10% it will take it to 90%, if your cars app talked to IO then you could tell it to charge the battery upto 80% regardless of the starting %.

Ron, the idea is you plug in and OI determines the best times to charge to meet your target, sometimes you might be given multiple slots to meet your target.

Or stick some bits of wood on to simulate some dummy cylinders, if you don't fancy cutting them Sarik do this wood pack. But at least paint them black.

Just got an old model with an even older Kalt 22cc mag engine, would only start on a prime, so I serviced the carb, new carb manifold gaskets and away it went, what a lovely engine, standard exhaust is too noisy so will need to be addressed, but at the time I thought why have manufacturers stopped offering magneto engines, they are a great all in one solution. My mates Zenoah 38cc is similar. Good luck with your search.

It's a tricky balance, an opensided structure would help dissipate any hydrocarbon spillages and prevent a vapour cloud, petrol has a flash point of -45 degC, preventing concentrations reaching the flamable limit, so while enclosing it may reduce the severity of a fire, it may increase the probability. Offshore oil/gas production platforms enclosed modules are designed for a certain number of air changes per minute with gas detection sensors to monitor hydrocarbon, with non hazardous modules being at a slightly higher pressure to prevent hydrocarbon ingress. As you can guess quite expensive so where conditions permit open sided is preferred.

We do the same on offshore platforms, but the sprinkler system is specifically designed to keep the hydrocarbon equipment cool to prevent escalation, which is what would happen on board a ship, a roof mounted sprinkler system would cool the outside of a car so if the fire was contained to the initial car then it would stop the heat from that car igniting adjacent vehicles, but if, as shown in the Luton video, you have a fuel leak under the car and this is burning this could run under other vehicles setting fire to those, if a petrol car tank was then to leak you may get a vapour cloud which when it gets to a certain mixture would ignite. If you where designing a system with lots of fuel storage tanks you would make sure they were all bunded, vented to a safe area, etc Part of the problem at Luton was that the hand held extingishers failed to operate thereby allowing the fire to escalate. A day after there was a taxi van fire at the pick up area at Glasgow airport but this was contained, but hey 2 diesel fires at 2 airport car parks and the issue is EVs

You could ask MMM to ship you one.of These

Burning petrol/diesel/oil floats on water, so can continue to burn, look at offshore accidents oil can quite easily burn on water. This runs under other cars and continues to burn, meanwhile the overhead sprinklers only cool the body work and not the fuel tanks/lines exposed to any flames under the car, this then adds more fuel to the fire, which the water can even help to spread the burning oil. Offshore the fire monitors are foam monitors, the foam making a barrier between air and the oil floating on water.

Paul, this any use to you We were checking my mates Moki 215cc which was quoted at 13 bhp at 4,300 rpm, he had a 3 blade prop on it turning at 4,100 rpm which equated for around 12.5 bhp, so it seemed to match pretty closely.

No IO could give you more, the overnight window is sort of the minimum, you just plug it in and tell how much you want by when. For example we have our Mini set for 80% by 8am, just plugged it in tonight and IO has scheduled the charge from 5pm to 7:30pm (it's only a little battery), you get a notification on your phone, but it means that during that period all you electricity is at that rate, so we always time plugging in before we cook dinner (every little helps....). Only works with certain cars and wall boxes, although our Mini is OI Go compatible we use our Ohme wallbox to interface with IO and the car interfaces with the Ohme (tells it what charge it has). It's not actually the car doing this but the phone app, so if you don't have a compatible wallbox then your car app would interface with the IO app, in that case setting a schedule on your wall box may override the allocated charging periods defined by Octopus. It all sounds a bit complicated but it isn't, literally takes seconds to set up and then you just plug in and away it goes and does it's thing. I think it's a contractual condition that you let IO (now IO Go) control the charging as they are scheduling the charging to balance the grid. Here's the screen shot of our current charging (ignore the miles this is based on Mini pessimistic Guess O Meter, it will actually be good for around 100 miles on 80%)

Another thing to consider is whether blast overpressure was design consideration, the heat would cause an increase in hydrocarbon vapours, when this reaches the lower explosive limit (LEL) then you basically get an explosion which causes a significant over pressure, it is part of the design of an oil and gas production facility to ensure the structure can withstand this, as is the safe routing of hydrcarbon vapours from vessels subjected to a pool fire. The sprinkler system also keeps the vessels cool to prevent the steel from weakening which could lead to a Boiling Liquid Expanding Vapour Explosion, but in these systems the sprinklers are mounted directly on the vessel. In a carpark they would be spraying the body work and not necessarily cooling the fuel tank, so maybe you would need ground based sprinklers under every car.

Yep and fossil fuels should also consider the energy expended in finding, producing, transporting, processing and distribution too, not just the tail pipe emissions of the actual engine efficiency. Here's an article from the Journal of Petroleum Technology highlighting the ever expanding energy required to produce liquid fuels. As the fuel is essential free, the oil companies only pay tax on what they send to market so any consumed on site is essentially tax free (just lost export) and it's usually the gas that is used and on a lot of production facilities there is no means of exporting the gas, so using it for fuel means there is less to reinject. The last offshore project I worked on, max production less than 30,000 barrels per day (1 barrel = 35 gals) had an electrical power consumption which varied from 4-8 MW depending on the production phase and a 30 MW heating system, on top of that there is the energy to transport it to market (from Nigeria), refine it and then distribute it. BTW oil production facilities have a limited life also and costs for decommissioning it aren't cheap

Wrong post

But the government have just gone the other way on road tax, now it costs the same to tax a big heavy IC 4 x 4 as a small IC town car, after the first year. But maybe vehicle weight could be a tax policy after all a heavier vehicle will use more petrol/diesel/electricity than a lighter one, or maybe link it to consumption

No but even if 100% powered by combined cycle gas power generation they use less fossil fuel than an IC car, due the quite poor efficiency of an IC engine compared to the much higher efficiency of an electric motor.

Erflog where are you getting that info on solar panels from, the articles I have read eg https://www.theecoexperts.co.uk/solar-panels/how-eco-friendly-are-they suggest 3 years before they are carbon neutral. Don't forget that the development, extraction, transportation, refining and distribution of fossil fuels also have significant emissions. Old coal mines are estimated to make up around 12% of methane emissions and I have worked with US based companies that see nothing wrong with installing a cold vent (ie unburnt methane) on small production facilities rather than collect deal with low pressure gas.

All the 3 channel models can have interesting ground handling as the dihedral will also cause the model to bank, but if you take off into wind they take off very easily. For taxying though the forward undercarriage puts a lot of weight on the tail skid, so I find myself using down elevator and a blip of throttle to unload the tail and bring the model round. BTW we had a lucky escape on the last flight, the rudder came unstuck from the elevator and was only held on with the covering so was flopping around, but fortunately we were able to maintain control.

We obtained this model and club member has fitted a PAW49 into it, flies nicely, but we don't know what it is, can anybody help?

Only because I have a dual and single outlet chargers. But if the battery has been flown then I just leave and charge up before the next day. Usually reasons for not using all lipos at the field would be strip grass is too draggy for my EDFs or I've had a very thermally day with my electric gliders.

Yep, I never used to bother discharging fully charged batteries, but after a couple of 6s 5000 lipos lost capacity and increased IR after being left for a few months, so now I do discharge to storage level if I'm not going to use them for a couple of weeks, excessive maybe, but both my chargers have this feature so easy to do.