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 Post subject: EV conversions
PostPosted: Sun Sep 30, 2018 7:08 pm 
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Joined: Fri Oct 21, 2005 7:56 pm
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Location: North Wales
For the past ten years or so I have been thinking about doing a electric conversion but the cost is very high still. There is a market for EV conversions and as the LPG conversion trade is slowing down is EV conversions teh way forward for some of use LPG installers?

Thoughts?

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 Post subject: Re: EV conversions
PostPosted: Sun Sep 30, 2018 8:22 pm 
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Joined: Wed Sep 29, 2010 5:01 pm
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Location: Yorkshire
I'm finding I'm busier than ever converting to LPG... Maybe because people now want to move away from diesels but aren't yet going to buy an EV with range, charge time and expense implications. These should be fantastic times for LPG converters and I'm finding that they are.

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 Post subject: Re: EV conversions
PostPosted: Sun Sep 30, 2018 11:27 pm 
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Joined: Sat Apr 30, 2011 2:06 pm
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Location: ramsgate kent
Talk about throwing the cat into the pigeons.
I can see a logical split in the argument, Simon is converting newer [10 years or less] and Classicswede converting older cars.
From a personal view im a petrolhead [both 2 and 4 wheels] but also a classic fan.
I can also see that Dai and Simon are both level headed professionals.
This should make one great debate.


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 Post subject: Re: EV conversions
PostPosted: Mon Oct 01, 2018 10:16 am 
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Joined: Wed Sep 29, 2010 5:01 pm
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Location: Yorkshire
Think I know where Dai's coming from with this and don't think there'll be much of an argument / debate here... "been thinking about doing a electric conversion but the cost is very high still"... Agreed.

I convert older vehicles too.

Plenty argument / heated debate on EVs versus ice and LPG converted ice vehicles on Pistonheads forum though! There's also the pure EV versus hybrid (EV with ice or ice with EV choose which way you want to look at it... but usually the latter would be more correct) side of debate, hybrids don't impose the limited range of a pure EV and the ice's in them can be converted to LPG.

Did anyone else see the episode of Wheeler Dealers where they bought an old Maserati that had had it's engine removed and replaced with lead/acid batteries and an electric motor well before they bought it (in the 80's)? Ed China then removed the lead acid batteries and fitted lithium-ion batteries, upgraded the motor and motor control electronics. The work cost around £20k in parts, the new setup gave the car similar acceleration to the original 80's model Maserati but with only around 70 miles range, they then sold it without a profit. They couldn't realistically instead have made it into a hybrid but they could have realistically instead fitted an engine and converted it to LPG for far less than the £20k, which would (for sure) have given it far more range than 70 miles and could easily have outperformed the original 80s Maserati... and then perhaps more likely have sold it for a profit.

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 Post subject: Re: EV conversions
PostPosted: Mon Oct 01, 2018 6:09 pm 
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The Wheeler Dealer episode in question is now about 5 years old, if not older.
Just a thought but technology has progressed and price has surely reduced, what would be the price today.
In todays Mail was an article on living in the real world with EVs, its worth a read .


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 Post subject: Re: EV conversions
PostPosted: Mon Oct 01, 2018 6:27 pm 
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Joined: Wed Sep 29, 2010 5:01 pm
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Location: Yorkshire
On the flip side of 'What would the price be (of EV bits) today', what will the price be in 5 years time? And therefore how much of (say) £20k someone might spend today lose in devaluation over the period of rhe next 5 years...

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 Post subject: Re: EV conversions
PostPosted: Mon Oct 01, 2018 6:32 pm 
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Joined: Tue Aug 26, 2014 1:48 pm
Posts: 221
Location: South end of North Yorkshire
Personally a hybrid would suit my daily commute and allow for the occasional longer journey. But they're out of my price range for anything with a big estate boot (and ideally 4WD). Best candidate for me is the Volvo V60 diesel hybrid, but the boot's not that big. What I'd like to see one day is a pure electric drive car with a facility to take standard camping gas type canisters- maybe even the little screw on ones to run a small efficient LPG generator that's built in. That way you could just rock up at a supermarket, buy a canister that'll run the generator and recharge the battery with minimal emissions until you can get a proper electric hookup to charge it with grid electricity. It's probably not that practical, but one of those ideas you have when you're bored!

I think EV conversions could well be a viable option at some point - though I guess it's down to the safety factor of how you mount the battery pack (and cooling system) and wiring and any legislation that covers that. Bolting a motor onto the existing gearbox is probably the easier part of the job. It's converting the rest of the car's instrumentation to understand it that could be messy.

I have converted my old mountain bike to an e-bike - does that count? £200 kit for a controller, display unit, brake levers with cutout switches and a wheel with a hub motor, etc, and another £150 for a 10Ah lithium battery pack that fits where the bottle used to go. Ideal for popping into town to get shopping with little effort when the traffic's too bad to take the car.

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 Post subject: Re: EV conversions
PostPosted: Tue Oct 02, 2018 9:34 pm 
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Joined: Wed Sep 29, 2010 5:01 pm
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Location: Yorkshire
May have mentioned this on forum before (at least on some forum).. Laughing is allowed! My dad's mate, who'd had a stroke, used to go miles on his mobility scooter, always pushing it's range limits and had suffered flat batteries and been stranded on many occasions. He used to visit me on it, the first thing we always did was plug his scooter in to charge. Before he had another more devastating stroke my plan was to fit something almost exactly along the lines of your idea onto his scooter for him, it'd have to be an electric start genny and something that wasn't too obvious so he'd still be able to go into shops with it. It'd probably involve the smallest electric start lawnmower engine I could find coupled with a very small alternator.

I did some calcs a long time ago on a rather heated PH thread - seemed to me that an EV charged using electricity from a gas fired power station uses about the same amount of fuel (gas) as an ice powered car that does around 70mpg but the pure EV costs more in environmental terms to produce than the ice.

The problem with the little genny running from threaded portable gas tank idea for pure EVs, though, is that the small physical size gennies run up to to around 3kw capability, which is about the same as 4bhp which won't push a car at much speed and with such genny working at full capacity a little screw on gas tank will be empty in minutes rather than hours. If we're talking about a pure EV (which without our genny wouldn't have an engine) it'll need a decent size battery pack to give it fair (still small) range in the first place, some of the little EVs with 90 mile range have battery packs that are around 30kwh... which such 3kw genny working flat out would take 10 hours to charge... But, yes, if you were stuck 20 miles from home in a small pure EV and had the 3kw genny you might be able to run the genny for just an hour and then limp 20 miles home while keeping the genny running. If we scaled the genny and it's fuel tank up a bit (bigger kw genny - which is now semi industrial size and would usually be one of those 'frame' types, it could make a great bolt-on addition to an otherwise range restricted pure EV by bringing the benefits you said? But, then, why did it need the genny in the first place (range), and if we're using the genny often enough to justify it's presence and it's own expense at what point do the heavy battery and motor become the unnecessary dead weight and unnecessary best part of (say) £10k worth of expense... when the little car could maybe have achieved 70mpg on LPG without that dead weight anyway in a car that doesn't have anything like the same range restriction or refuelling/charging time issues.

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 Post subject: Re: EV conversions
PostPosted: Tue Oct 02, 2018 11:40 pm 
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Joined: Sat Apr 30, 2011 2:06 pm
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Location: ramsgate kent
Simon your logic and thinking is is spot on in all aspects except that the powers that be are slowly pulling the rug from under our feet and if there rules are not introduced by the front door, they will use the back door.
EV or trust the Germans with hydrogen again or hows your long term thoughts on fossil fuels


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 Post subject: Re: EV conversions
PostPosted: Wed Oct 03, 2018 7:02 pm 
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Joined: Tue Aug 26, 2014 1:48 pm
Posts: 221
Location: South end of North Yorkshire
Well, it was worth a thought :)

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