Just what the roadster needs
 

Hi guys hi saturn would you have any progress pics on that rear defuser ?

Just what the roadster needs
 

Oops two posts my bad

rear diffuser looks awesome will definitly be needing one of those with body panels order

Is the diffuser ready and how much are they?

Any news on the diffuser?

Diffuser is nearly ready CM, had an awful lot on recently and it has taken a back seat but will be back to normalish next week and can crack on then.

Andy

How much will they be?

Any news on this?

I spoke to spud fri and he said they are in the process of producing one from the mold and should be on the website after the weekend for around the 90-100 quid mark.

It's finally complete Steve and we are quite pleased with it even though the fins where quite fiddly to cast. The diffuser description and some pics are here and also include a few guides to fitting:

http://www.saturnsportscars.co.uk/st...d&productId=94

The pics are of the first casting and show some signs of the pva release agent that was used to make sure it was free to be removed from the mold the next castings will be waxed for a better finish and the pics updated. The first casting is only 1 layer of 450 gsm matting and is still quite stiff when fixed but the remainder will be cast in 2 layers of 450.

All the Best.....Andrew

Looking good there andrew, well worth the effort. Will go like hot cakes i expect. Just gotta see if i can fit one to an ally back end when i eventually get to that stage. Well done and keep up the good work:)
russ

Good job Spud.

Don't take this the wrong way but you should correct the discription on the website, "to prevent are circulating in diff" now I know it's "air" but somepeople can be an ar**.

J

looks awesome, il be having one, once iv got a bonnet!

Cheers Jimmy, the error of my spelling has been corrected.

BTW "discription" is spelt Description.......:p Couldn't resist it.

Took the car out last night and it seems to work as intended, the car seems more stable at higher speed and certainly pulls better from 60 to 100mph - quite noticably, and braking at speed is a bit more stable. Can't speak about downforce but it wasn't really intended for that will have to take it on the track - next week hopefully, Teesside track booked for race car setup......:D

Don't really want extra grip on the rear though as there is already plenty and would have to increase front quite a bit to re-balance the car.

Regards....Andrew

Obviously the 60 to 100 test was on a private road as you wouldn't possibly be doing that speed on public roads officer! ;)

Sorry officer i meant to put kph.......;)

How would the open sides affect turbulence? Would it be an easy thing for someone at home to fill in the sides if it requires it?

CM

have you got a flat floor under the engine as this is another place that could give a not so nice air brake.

If you read the description M it mentions the open sides and some people may prefer to fill them in depending on individual taste and pieces cut from side panels could be used. Tried mine last night and all was fine, it may circulate in from the sides a bit but it's 95% better than it was. Certainly more stable at speed since there is no air blowing around in the rear area.

Bobby the engine bay under floor is open but this could be covered in ali depending on peoples choice, the tray is not really to provide ground effect but mainly to enclose the rear area.

Andrew

You wouldn't want to get air Bourne on the crest of a hill with a flat plate under the engine bay, remember all those old f1 cars flipping over backwards?:eek:

would probably suffer from overheating.... all that hot air has to go somewheres, both from the rad and block and possibly intercooler

There are ways and means to skin a cat and keep it cool as well:D

hi all

spud, how have you resolved the problem of the rear lower wishbone being lower than the lower chassis rail, i was looking at making an undertray for the rear of mine and found that the lower wishbones were in the way, and as such when the rear wheel is in full drop it would hit the top of the undertray ?.....wonder if my shocks are too long?

Dont quote me on this but the travel is very little and there is no issue with it hitting if built to book spec but you need a 25 mm spacer as spud suggested.

Sorry Tilly i missed this,

Haven't found it to be a problem once you have your suspension and ride heights setup, the only time it is close is when the car is full jacked up. As Paul said a 25mm spacer is also used under RS3 to lower the tray to the floor level. If it is found to be an issue then the side can be trimmed to allow the lower wishbones to move past the undertray.

Hope that helps....Andrew

All we need now is a little chin spoiler for the nose cone......;)

^^

already on it, i made a small splitter for the front already but it needs lowering and a small diffuser putting behind it, made my own ally diffuser for the rear over the weekend, looks a bit Heath Robinson but bloody hell it works. il try and get some picks up soon

tilly

I had a good blast out in mine yesterday afternoon Tilly and the car now comes alive in 4th gear above 70mph, now gets upto the ton before you know it. Got a track day on Monday to so will give it a damn good thrashing then......:D

Well chuffed with it.....Andrew

I have seen some small wing type thingys on a nose cone at a race meeting on a seven type.

The idea I had was a spoiler/wing under the front of the nose cone.