Posts by Duncan
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6,652 Posts
Re: EVan-Tricycle
Hi Woodsmith,
A head on crash is pretty unsurvivable anyway - even without your very driver forwards set-up
I would think in terms of surviving a glancing impact - in which case your structure should stay together and your seat belts should hold you in the structure
A steel structure or a wooden one - you should be able to build either strong enough to give some protection
http://www.youtube.com/watch?v=joMK1WZjP7g
http://www.youtube.com/watch?v=joMK1WZjP7g&feature=player_detailpage
Hi Woodsmith,
A head on crash is pretty unsurvivable anyway - even without your very driver forwards set-up
I would think in terms of surviving a glancing impact - in which case your structure should stay together and your seat belts should hold you in the structure
A steel structure or a wooden one - you should be able to build either strong enough to give some protection
http://www.youtube.com/watch?v=joMK1WZjP7g
http://www.youtube.com/watch?v=joMK1WZjP7g&feature=player_detailpage
Joined
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6,652 Posts
Re: EVan-Tricycle
Hi Woodsmith
I jumped through hoops to get my cage to meet the motorsport requirements
And they are total nonsense!
You HAVE TO use a specific steel tube - but the specs are mild steel!
I love the idea of a a steam bent wooden frame
Hi Woodsmith
I jumped through hoops to get my cage to meet the motorsport requirements
And they are total nonsense!
You HAVE TO use a specific steel tube - but the specs are mild steel!
I love the idea of a a steam bent wooden frame
Joined
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6,652 Posts
Re: EVan-Tricycle
Adrian Flux insurance company and they have given me a provisional 'ball park' quote on insuring me and Arch to drive the EVan-Tricycle (with only me for business use) for 3k miles a year of just less then £400pa
I had forgotten how expensive insurance in the UK was
I am paying $250 (125 pounds) for the Device
Adrian Flux insurance company and they have given me a provisional 'ball park' quote on insuring me and Arch to drive the EVan-Tricycle (with only me for business use) for 3k miles a year of just less then £400pa
I had forgotten how expensive insurance in the UK was
I am paying $250 (125 pounds) for the Device
Joined
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6,652 Posts
Re: EVan-Tricycle
The only other limit is 15kW maximum continuous power output.
I can't remember - do you already have a motor for this beast?
My Hitachi 11 inch motor says very clearly on the motor label - 10Kw - (1 Hour rating) so it would meet your 15Kw limit nicely
The only other limit is 15kW maximum continuous power output.
I can't remember - do you already have a motor for this beast?
My Hitachi 11 inch motor says very clearly on the motor label - 10Kw - (1 Hour rating) so it would meet your 15Kw limit nicely
Joined
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6,652 Posts
Re: EVan-Tricycle
Now you have to build it for 550Kg
Should be doable - BUT the device ended up at 710Kg
I had a target of 500kg - then I ended up doing too much beefing of the chassis
The biggest mistake was
I decided to plate the chassis with steel welded (brazed) on then I used 1mm sheet to try and reduce the distortion
BAAAAD Idea!
I ended up with distortion and weight
In hindsight I should have used much thinner plate and either MIG or rivets and a double sided tape joint with aluminium sheet
The motor does not help - mine is 103Kg - but I only had 44Kg of batteries
Can you build it ultra light and add a bit more once its certified???
Now you have to build it for 550Kg
Should be doable - BUT the device ended up at 710Kg
I had a target of 500kg - then I ended up doing too much beefing of the chassis
The biggest mistake was
I decided to plate the chassis with steel welded (brazed) on then I used 1mm sheet to try and reduce the distortion
BAAAAD Idea!
I ended up with distortion and weight
In hindsight I should have used much thinner plate and either MIG or rivets and a double sided tape joint with aluminium sheet
The motor does not help - mine is 103Kg - but I only had 44Kg of batteries
Can you build it ultra light and add a bit more once its certified???
Joined
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6,652 Posts
Re: EVan-Tricycle
You should be able to do it for 550kg
My 710Kg included a chassis that was at least 60Kg heavier than necessary
and a "Competition Certified" roll-cage - 30Kg?
Changing the motor to a 9 inch and just being a bit careful should get down there,
Probably won't have to change the gearing - with mine I am 55% on the rear and its pretty good
I think 700amps will let me spin the rear tires on tarmac
I used Subaru parts - yours are probably a bit lighter
You should be able to do it for 550kg
My 710Kg included a chassis that was at least 60Kg heavier than necessary
and a "Competition Certified" roll-cage - 30Kg?
Changing the motor to a 9 inch and just being a bit careful should get down there,
Probably won't have to change the gearing - with mine I am 55% on the rear and its pretty good
I think 700amps will let me spin the rear tires on tarmac
I used Subaru parts - yours are probably a bit lighter
Joined
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6,652 Posts
Re: EVan-Tricycle
Hi Woodsmith
You could make something like the Device,
About the same wheelbase as the Subaru - but I sit in the rear seat
I used a short propshaft so the motor went where a gearbox would go and I had a big open box to put batteries in in front of the motor
Hi Woodsmith
You could make something like the Device,
About the same wheelbase as the Subaru - but I sit in the rear seat
I used a short propshaft so the motor went where a gearbox would go and I had a big open box to put batteries in in front of the motor
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