mx5 only sprint class in the South West

[binnerboy]

Hello ,



I am a member of Bristol Motor Club. The club is mulling over having an MX5 only class at the various sprint events they do next year. They are also mulling over an mx5 only championship across various events such as hilll climbs, sprint and autosolos.



The sprints are

21st March at Castle Combe (1.75 laps) Organised by Bristol Motor Club

25th July at Castle Combe (0.75 laps).Organised by Bristol Motor Club

Llandow in May , the date isn't set. Organised by Bristol Motor Club and Bristol Pegasus Motor club.


the chamopionship idea is currently just an idea.



they are probably going to stick to roadgoing rules but it should , here is a quote from my mate on the committee



"We're not sure where the line will be for modifications - suggestions gratefully received. I'd like to think it'll simply be the same as Roadgoing as this just accomodates the popular cars that fall unfortunately on our class structure. However, if this is an entry level class, then limited modifications seems sensible. The down side of that means not all cars will be eligible as most are modified in some manner. There's no plans to separate 1600cc and 1800cc cars - the 1600cc cars can go in either the MX5 class or the main <1800cc class"



This is all the info I have at the mo, expressions of interest and suggestions greatly received , the more we get the more likely it will happen.

[JeremyH5]

I see you've posted this on the MX5 OC forum.

I have copied it to the MX5Nutz forum for you.

[Dan Friel]

The HSA Speed Championship has something similar.. perhaps link up with them?

http://www.hillclimbandsprint.co.uk/classes.asp

[binnerboy]

Jeremy, thanks

Dan, already on that , Mel from HSA has got in touch.

Will probably align reg to make it easier.

[feef]

I'm interested in the idea of a sprint or hill-climb, but with my MX5 being supercharged it falls into odd categories.

What I'd love to see is a timed but non-competitive hill-climb or sprint, somewhat akin to the Sportives in the cycling world. The nice thing about them is you can compare your times to previous events to see how you progress but also compare your times to your friends on your own terms. Something half-way between a track-day and a full blown race series.

I'm sure there'd be many folk out there who would be interested in that sort of event. I would be at least.

[rs4al]

I'm in the same boat/car as Feef, would love to try hill climbs but also supercharged my mx5.

[D_G]

You should be competitive in the ASWMC classes in a turbo / supercharged MX5.

[feef]

D_G said:

You should be competitive in the ASWMC classes in a turbo / supercharged MX5.

But trawling through the regs suggests cut-off switches, roll cages, multipoint harnesses and whatnot may be required. Unlike a trackday or a RWYB where you can 'race' your road car without anything clever.

Also, the regs aren't THAT easy to decipher

[HorneyMX5]

I also have a supercharged MX5 and I intend on doing a few sprints next year.

From my understanding you just run in modified production Classes with a multiplier for the charger.

My main concern currently is the splitter and duck tail on mine as I suspect they'll chuck me into a higher class due to not having the OE silhouette.

[MagicalTrevor]

I'm also a member of the club and having probably spoken to the same person, I think this is a great idea! The MX5 is ideal for getting into Sprinting, pity it's uncompetitive in the standard class. A dedicated class will be great for the sport.

[feef]

HorneyMX5 said:

I also have a supercharged MX5 and I intend on doing a few sprints next year.

From my understanding you just run in modified production Classes with a multiplier for the charger.

My main concern currently is the splitter and duck tail on mine as I suspect they'll chuck me into a higher class due to not having the OE silhouette.

Can that be done without full roll cages and multi point harnesses etc?

[HorneyMX5]

feef said:

HorneyMX5 said:

I also have a supercharged MX5 and I intend on doing a few sprints next year.

From my understanding you just run in modified production Classes with a multiplier for the charger.

My main concern currently is the splitter and duck tail on mine as I suspect they'll chuck me into a higher class due to not having the OE silhouette.

Can that be done without full roll cages and multi point harnesses etc?

Yes, at least that's my understanding. I have a bucket (in date), harnesses which are not FIA and 4 point rear roll bar which are good for competing but not required.

IMG_9327 by Nicholas R Horne, on Flickr

IMG_9328 by Nicholas R Horne, on Flickr

[feef]

HorneyMX5 said:

Yes, at least that's my understanding. I have a bucket (in date), harnesses which are not FIA and 4 point rear roll bar which are good for competing but not required.

IMG_9327 by Nicholas R Horne, on Flickr

IMG_9328 by Nicholas R Horne, on Flickr

Mine's completely stock, other than under the bonnet. It's got a robust style bar, but it's far from a roll cage, and regular inertia reel seatbelts and standard seats.. If it can be run with that, then that might well be an option.

[HorneyMX5]

feef said:

Mine's completely stock, other than under the bonnet. It's got a robust style bar, but it's far from a roll cage, and regular inertia reel seatbelts and standard seats.. If it can be run with that, then that might well be an option.

You'll be fine I reckon.

http://www.msauk.org/uploadedfiles/msa_forms/blueb...

Page 325 onwards. I think you'd be in Roadgoing Series Production Cars with a 1.4 multiplier for the charger.

[feef]

HorneyMX5 said:

feef said:

Mine's completely stock, other than under the bonnet. It's got a robust style bar, but it's far from a roll cage, and regular inertia reel seatbelts and standard seats.. If it can be run with that, then that might well be an option.

You'll be fine I reckon.

http://www.msauk.org/uploadedfiles/msa_forms/blueb...

Page 325 onwards. I think you'd be in Roadgoing Series Production Cars with a 1.4 multiplier for the charger.

yeah, I'd read that, but this bit had me confused as it suggests a roll bar is required:

Sprint and Hill Climb Vehicles
10. All Sprint & Hill Climb vehicles must comply with
the following, as a minimum:
Safety
10.1.1. Roll-over Safety Bars K.1 to 1.2, except for cars
of Periods A – E (Nomenclature and Definitions).

[HorneyMX5]

I think that is over ruled buy he next bit:

10.1.2.
Road-Going Series Production and Road-Going
Specialist Production, K.1.6.1 or K.1.6.2 recommended.

Regardless, I've seen plenty of road cars without cgaes runing in sprints and hillclimbs. PH even had an article last week on hillclimbing a brand new Golf R on loan from VW.

[feef]

HorneyMX5 said:

I think that is over ruled buy he next bit:

10.1.2.
Road-Going Series Production and Road-Going
Specialist Production, K.1.6.1 or K.1.6.2 recommended.

Regardless, I've seen plenty of road cars without cgaes runing in sprints and hillclimbs. PH even had an article last week on hillclimbing a brand new Golf R on loan from VW.

fair enough...

as I said earlier.. the regs are far from crystal clear to someone considering getting involved

[HorneyMX5]

I'd also concur however that the blue book is about the most confusing thing in the world. I'm really struggling to figure out what class I'd run in in mine as it has all the carpets etc.

I think the next action I have to take is turn up at an event as a spectator with my car get and get someone to look over it and let me know what they think.

[feef]

That sounds like a reasonable course of action. I may do something similar

As an aside, I should get mine back from the body shop tomorrow.. the work's been dragging on a little, but fingers crossed, she'll be home soon!

Noticed this in the HSA info for roadgoing cars:

Two throttle return springs

Hmm.. I wonder what qualifies as two throttle return springs? And how does that with with cars that have a fly-by-wire throttle?

Edited by feef on Monday 20th October 22:20

[D_G]

It completely depends on the class you are looking to compete in, I run a car in class A3 in the ASWMC events, even though it's road going my car has uprated suspension / brakes / induction etc. In the Midlands, you are limited to 1A tyres, when I run on these events I end up in the unlimited over 2L class as they have a different structure (due to the turbo loading).

There are events for completely standard cars but the championship we are considering would allow mods broadly as per the ASWMC regulations, the forced induction cars would be excluded though. In this case they would be eligible in the relevant class to the event.