CharleyH .

Ouch. I would think that the least expensive route would be to have one of the certified Radical engine shops repair what you have. There are three in North America. Spring Mountain, Team Stradale,...

I finally had some time to work on the car and made good progress getting the fuel cell installed. The biggest challenge was getting the wires to the fuel cell hooked up. There is no good way to con...

To answer question 1 check out this post. For question 2. Have you checked out the “Handling guide”? Here is the link. . This is a great place to start. Charley

For me the tool that was very useful for re-calibrating my brain to trust the downforce was the color map. I could look at a corner and internalize that at 90 to 100 mph the car is capable of 2.0 to ...

Those look like a great opportunity for someone in the UK. ‘The fellow that you old me about to get a Prosport splitter splitter made told me that he has a mold for the nose also. Charley

Congratulations to the drivers and teams that competed in the first round of the Blue Marble Radical Cup at Virginia International Raceway. The weekend consisted of three races with the third race of...

Sounds like an exciting new series! I am looking forward to hearing more about it as the season progresses. Please post pictures RACE DATES April 27 Silverstone GP 2 races June 1-2 Donington 3 rac...

Congratulations! Great video. I’m glad to hear how much you are enjoying the car! Have you done a color map showing the G’s in the corners? They are really helpful in recalibrating your brain to wh...

That is a great solution Markus! Great job! Charley

Looks great!.

Congratulations to the Podium drivers from the first round of the RLM Bikesport championship held April 22 at Donington Park. Race 1 1st place - Josh Smith (PR6 Chassis number PR600018) 2nd place - Jo...

Hi Robert, Welcome to the Registry! Congratulations on getting an SR5! Only about 24 were made, so they are very hard to find (as you know). Please post pictures and information about your car. It ...

Today we had a participant visitor from Latvia 🇱🇻 . So now we have had participation from 101 countries. Welcome to all, and thank you for participating. Having a world wide perspec...

The standard setup is to have the oil temp sensor in the dry sump tank. Here is a picture that should help. I am not sure why Radical chose this location, but it has proven to work well over time. ...

That is great that the car has survived all these years with so little use. Regarding the chassis number plate, they are usually on the firewall right behind the seat. Sometimes there are on the fi...