Issues when moving to all electric towcars

Mr H replied on 12/03/2021 10:43

Posted on 12/03/2021 10:43

Already there are going to be many issues relating to using EV's. Range anxiety, charging point availability etc. This will all be increased when towing a caravan. For example how many charging stations will provide space for the caravan during the charging process? So is it time for Caravan designers to think out of the box?

My suggestion would be to add, the same type battery being used for the car, to the chassis of the caravan connected as at present to the car. This could be charged overnight when on a hook up on site. Also using similar technology, used by motor racing, it should be possible to get a charge, from the rotation of the wheels, much like the dynamo that powered the lights on an old bike. Finally, the roof of the caravan could have a custom made solar panel covering all available solid surfaces ie. around windows etc to add to the charge, There should be minimal changes to the caravan wiring as it virtually already exists.

What do you think?

jennyc replied on 17/05/2021 07:36

Posted on 12/03/2021 11:19 by Mr H

Tow Cars will become or are already heavier when battery powered. They also have more pulling power at lower revs than diesel/petrol cars. We need to do something, otherwise caravanning will become less and less popular due to anxiety of what will happen if you cant find an available charging point. Perhaps, caravans could be made lighter by using other materials rather than chipboard.

Posted on 17/05/2021 07:36

The issue with electric cars as tow vehicles is that because the heavier the load on the motor, the faster the battery will drain and electric cars already suffer from limited range.

Chipboard isn’t used anywhere on touring caravans. All panels are made from lightweight plywood or composites. Chipboard is far too heavy.

ChocolateTrees replied on 20/06/2021 23:58

Posted on 20/06/2021 23:58

Well I can confirm that towing a medium distance on a BEV is possible and works just fine. I just got back from 8 nights on a non-hookup CL with my Polestar 2 EV and  Bailey Vigo. There were 4 of us went with awning, pup-tent and all the usual gear, including 15 kg of gas as refilling a gas-lite bottle is harder than refilling an EV. 

Range was about 50%-60% of solo (ie 40% to 50%) down. Round trip from south Northamptonshire to Brecon was about 280 miles. We stopped to charge on the way in Hereford for about 35 mins and on the way back in Stratford on Avon for about the same. On the way back, I would like to have stopped sooner but wanted to test out a new charger in Stratford. 

Actual towing with the EV is effortless. The low down torque makes even steep hills very simple (over the Malvern hills) 4wd is sure footed and performance is - well, electric. 
Having the EV available while on site was also fine. We never went out of our way to charge, just topped up when available, including a few times in Brecon while shopping or eating out, once in Hen Goed and once in Cardiff on days out. This was the second trip, the first in Uppingham. Looking forward to the next in Whitby next month.

EmilysDad replied on 21/06/2021 08:16

Posted on 21/06/2021 08:16

@Chocolate Trees ...  We stopped to charge on the way in Hereford for about 35 mins and ... 

It could take a while to get anywhere if you're 3rd or 4th in the queue for the charging point innocent

ChocolateTrees replied on 21/06/2021 08:48

Posted on 21/06/2021 08:48

Just out of interest CT, were you able to get on a charger with the caravan attached?

On the way out, no. We parked the van about 30 meters  away. On the way back, yes, but I chose to un-hitch to better place the van for leaving. 

It could take a while to get anywhere if you're 3rd or 4th in the queue for the charging point innocent

Well - yes, but one advantage of electric chargers over Fossil fuel pumps is you can check to see if they are in use remotely before you get to them. I looked and both showed free. Had they been in use or discovered a a queue, I would have moved on to another one. I had 4 locations in Hereford to choose from, and 5 in Stratford. I also didn’t use to my last drop in case there was an issue and needed to move to the next town. It’s amazing how just a little planning takes the stress out of  potential situations. 

Rocky 2 buckets replied on 21/06/2021 09:41

Posted on 21/06/2021 08:48 by ChocolateTrees

Just out of interest CT, were you able to get on a charger with the caravan attached?

On the way out, no. We parked the van about 30 meters  away. On the way back, yes, but I chose to un-hitch to better place the van for leaving. 

It could take a while to get anywhere if you're 3rd or 4th in the queue for the charging point innocent

Well - yes, but one advantage of electric chargers over Fossil fuel pumps is you can check to see if they are in use remotely before you get to them. I looked and both showed free. Had they been in use or discovered a a queue, I would have moved on to another one. I had 4 locations in Hereford to choose from, and 5 in Stratford. I also didn’t use to my last drop in case there was an issue and needed to move to the next town. It’s amazing how just a little planning takes the stress out of  potential situations. 

Posted on 21/06/2021 09:41

CT, thanks for the feedback👍🏻. It’s great getting info from those that are actually doing it rather than biased ‘Frank down the pub said’ types, that’s excellent news. I hope it continues positively for you👏🏻👏🏻

ChocolateTrees replied on 21/06/2021 10:19

Posted on 21/06/2021 09:41 by Rocky 2 buckets

CT, thanks for the feedback👍🏻. It’s great getting info from those that are actually doing it rather than biased ‘Frank down the pub said’ types, that’s excellent news. I hope it continues positively for you👏🏻👏🏻

Posted on 21/06/2021 10:19

Rocky, as with all these things, you don’t really know how it will be till you try. The first time I used a public rapid charger, I was nervous, so so I was the 1st time I filled up with petrol. 
Was I nervous having to recharge with the caravan, a little, but no more than either towing for the 1st time or filling with diesel while towing the 1st time. I was also very nervous the 1st time I went to a non-hookup CL for a week, and that was fine too. 

It’s a learning curve. Everyone has a 1st time at some point, and afterwards you can look back and say “well that was easy”. 

Is it the most convenient thing? No - it would be better not to have to un-hitch, but it’s not really an issue. Did it take longer? Maybe 5 to 10 mins per stop, but that will come down as the routine gets slicker. Was it worth the “hassle” to be able to use the EV as my normal car, and as the tow car, and when on site? Absolutely yes. 😁

Tinwheeler replied on 21/06/2021 10:40

Posted on 21/06/2021 10:40

I don't think it's for me but it's good you're happy, CT. Thanks for the feedback.

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