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NickCarpenter
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Delta E-4 coupe.m4v
For those of you who don't already follow any of Robert Llewellyn's blogs (Carpool or Fully Charged), here's a movie he put together following a vi...
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NickCarpenter
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10 months ago
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Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
@JRP3 The LA4 cycle (I've usually seen is referred to as the Urban Dynamometer Driving Schedule, UDDS) is very gentle. It has a brief trip to 55mph but an average speed of less than 20mph - very much an urban cycle. The NEDC (New European Drive Cycle) is a little more aggressive than that (not su...
Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
@avada0 We use two permanent-magnet axial flux motors - these are now being developed and sold by Oxford YASA Motors. The original design was done by the Electrical Power Group at Oxford University in partnership with Delta Motorsport. OYM spun out of the University.
The efficiency over a typical...
Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
@adric22 We started laying out the car over 4 years ago, but the main body of work started just over 2 years ago and the intention is to show what is achievable starting from a "clean sheet". We're building 5 cars initially to take part in a government-supported demonstrator program for ultra-low...
Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
@JRP3 More than 120 miles should be reasonably easy to achieve, but we've found that when you find yourself in a fast, sporty car your right foot tends to get pretty heavy! Working on the NEDC (a standard but very gentle drive cycle), more like 140 miles is achievable, but we believe that the dri...
Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
@JRP3 More than 120 miles should be reasonably easy to achieve, but we've found that when you find yourself in a fast, sporty car your right foot tends to get pretty heavy! Working on the NEDC (a standard but very gentle drive cycle), more like 140 miles is achievable, but we believe that the dri...
Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
@avada0 The motors are from Oxford YASA Motors - an axial flux permanent magnet machine that develops 750Nm torque per "slice".
The noise you can hear is the vacuum pump (for the brake servo) which we'll be repositioning & isolating further at some point soon.
Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
@404jared404 One of the main reasons for approaching the project as we did was to see how far we could reduce the cost of a carbon composite chassis. Labour content usually accounts for well over half of the cost of composite structures, and this is where we've targeted our work - working with Ad...
Fully Charged Delta E4 coupe episode 017
A very exclusive first ride in the amazing Delta E4 coupe with technical director Nick Carpenter
31,327 views
NickCarpenter said:
Thanks everyone for your comments. The first 5 cars actually have 32kWh battery packs (not 21kWh Robert!!). To answer a few of your questions:
1. We expect to re-mount the vacuum pump in a new location to isolate it (much) better.
2. The interior (apart from the bits that were missing when Robert...
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