Welcome to the Purplemeanie build blog of our Caterham 420R. We hope you enjoy our trials and tribulations during and after the build. Please leave us a comment and tell us what you think.
Where to Start

The latest project from the Purplemeanie HQ is to have a go at converting a Seven to be an electric vehicle (EV). Follow the project here.
For my most popular video take a look at “Build a Caterham 420R in 30 minutes”
For more reading…
- If you want join us on the journey from the beginning then take a look at this post: Build Blog Index
- If you’d like to see a bit about us then please take a look at our About page.
- If you just want to skip to the latest news then take a look at the Blog.
- We’ve also put a Gallery together if that’s your thing.
- If videos are your thing then take a look at what we’ve posted to YouTube: YouTube Videos
- If my ramblings aren’t enough for you then you can find a whole different bunch of other blogs in this post here.
- … and some might like to jump to my tools and trinkets here.
Latest Posts
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Finally a good Press-Stud Tool
This one’s as much a note for me so I know what I did to make this finally work. I’ve been looking for a decent way of fitting press-studs for things like boot covers. I’d tried the standard manual tap-and-hope tools that are supplied with the car and with SoftBitsForSevens kits. But that always seemed…
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Putting the EV in sEVen – Youtube Project Kick-off
While I’ve been writing articles for the Caterham and Lost Seven Club’s Lowflying magazine, and doing a few Instagram and Facebook posts, I’ve not got around to creating the kick-off video for the Electric Seven Conversion project for Youtube, until now. I’m not really expecting this video to set the world alight, but it’s necessary…
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Lowflying December 2022 – Putting the EV in sEVen – Conversion Trade-offs
Another article in Lowflying for December 2022. This is part 2 of a multi-part series and is a cut down version of this post: