tilly819
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| posted on 15/11/15 at 01:19 PM |
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University Project Help: Tyre, wheel and brake size survey.
Hi all,
As some of you know I have gone back to university as a mature student to do my automotive engineering degree. I am now in my final year and am
conducting a project on Seven esc vehicle steering geometry and upright design. As such I am hoping you will be kind enough to fill in a little survey
for me to aid me with my project. If you could fill in the proforma below that would be very helpful, it should only take 5 minuets. If there are any
sections you do not know the answer to please leave them blank.
Very many thanks,
Tilly
General
Vehicle Make & model:
Vehicle Mass Exc Driver (Kg):
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ):
Front
Tyre Size:
Tyre Inflation Pressure (Cold PSI):
Tyre Make & Model:
Wheel Width (Inches):
Wheel Mass (Kg):
Wheel Offset (+/- mm):
Wheel Make & Model:
Brake Disc Diameter & Thickness:
Brake Caliper Make & Model:
Number of Pistons:
Brake Pads Make & Model:
Rear
Tyre Size:
Tyre Inflation Pressure (Cold PSI):
Tyre Make & Model:
Wheel Width (Inches):
Wheel Mass (Kg):
Wheel Offset (+/- mm):
Wheel Make & Model:
Brake Disc Diameter:
Number of Pistons if Disc Brake:
Brake Pads Make & Model:
Comments based on your personal experience:
[Edited on 15/11/15 by tilly819]
[Edited on 15/11/15 by tilly819]
F20C Haynes roadster 440 BHP/Tonne www.youtube.com/handmadeextreme
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Doctor Derek Doctors
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| posted on 15/11/15 at 02:17 PM |
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Mature! Don't make me laugh Tilly!
Designer and Supplier of the T89 Designs - Single Seater Locost. Build you own Single Seater Racecar for ~£5k.
Plans and Drawings available, U2U or e-mail for details.
Available Now: The Sports Racer Add-On pack, Build a full bodied Sports Racer for Trackdays, Sprints and Racing.
www.t89.co.uk
www.racecarwings.co.uk
callan@t89.co.uk
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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Matt21
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| posted on 15/11/15 at 05:20 PM |
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I have done two for you, one for my road wheels, and one for track wheels  hope that's filled in as you need?
General
Vehicle Make & model: MK Indy
Vehicle Mass Exc Driver (Kg): 520kg
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ): Dry Track/light road use
Front
Tyre Size: 195/50/15
Tyre Inflation Pressure (Cold PSI): 16psi
Tyre Make & Model: Toyo R888
Wheel Width (Inches): 7
Wheel Mass (Kg): Unknown
Wheel Offset (+/- mm): 38mm
Wheel Make & Model: Compomotive CXN2
Brake Disc Diameter & Thickness: 260mm x 24mm
Brake Caliper Make & Model: Ford Sierra
Number of Pistons: 1
Brake Pads Make & Model: Mintex 1144
Rear
Tyre Size: 195/50/15
Tyre Inflation Pressure (Cold PSI): 16
Tyre Make & Model: Toyo R888
Wheel Width (Inches): 7
Wheel Mass (Kg): Unknown
Wheel Offset (+/- mm): 38mm
Wheel Make & Model: Compomotive CXN2
Brake Disc Diameter: 253mm x 10.3mm
Number of Pistons if Disc Brake: 1
Brake Pads Make & Model: Mintex 1144
Comments based on your personal experience:
Great tyres for track and even road use, can be a little pricey, decent wear for what they are. Warm up well and dont overheat too easily.
Wheels were bought as a set of track wheels, they're fairly lightweight and look decent. Old but were cheap
Brakes are ok, would like to upgrade the calipers. Pads are brilliant (though a little squeaky with light braking)
General
Vehicle Make & model: MK Indy
Vehicle Mass Exc Driver (Kg): 520kg
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ): Wet Track / Mostly road use
Front
Tyre Size: 195/50/15
Tyre Inflation Pressure (Cold PSI): 16psi
Tyre Make & Model: Toyo R1R
Wheel Width (Inches): 7
Wheel Mass (Kg): 6.2kg
Wheel Offset (+/- mm): 38mm
Wheel Make & Model: Team Dynamics 1.2
Brake Disc Diameter & Thickness: 260mm x 24mm
Brake Caliper Make & Model: Ford Sierra
Number of Pistons: 1
Brake Pads Make & Model: Mintex 1144
Rear
Tyre Size: 195/50/15
Tyre Inflation Pressure (Cold PSI): 16
Tyre Make & Model: Toyo R1R
Wheel Width (Inches): 7
Wheel Mass (Kg): 6.2kg
Wheel Offset (+/- mm): 38mm
Wheel Make & Model: Team Dynamics 1.2
Brake Disc Diameter: 253mm x 10.3mm
Number of Pistons if Disc Brake: 1
Brake Pads Make & Model: Mintex 1144
Comments based on your personal experience:
Tyres are good for fast road use, tend to overheat quickly on track so only use them on wet days instead of the R888. Cheap to buy, grippy on the
road, good wear rate.
Wheels are great, pretty lightweight, cheap, look brilliant
Brakes are ok, would like to upgrade the calipers. Pads are brilliant (though a little squeaky with light braking)
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SJ
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| posted on 15/11/15 at 08:48 PM |
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General
Vehicle Make & model: MK Indy
Vehicle Mass Exc Driver (Kg): 600kg ish
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ): Road & track
Front
Tyre Size: 185/60/13
Tyre Inflation Pressure (Cold PSI): 14
Tyre Make & Model: Toyo R888 G
Wheel Width (Inches): 6"
Wheel Mass (Kg): ??
Wheel Offset (+/- mm): ET 38
Wheel Make & Model: Team Dynamics Pro race 1.2
Brake Disc Diameter & Thickness: 180mm dia??
Brake Caliper Make & Model: Standard Sierra 1.8 CVH
Number of Pistons: 1
Brake Pads Make & Model: EBC Yellow Stuff
Rear
Tyre Size: 205/60/13
Tyre Inflation Pressure (Cold PSI): 14
Tyre Make & Model: as above
Wheel Width (Inches): as above
Wheel Mass (Kg): ?
Wheel Offset (+/- mm): as above
Wheel Make & Model:
Brake Disc Diameter:
Number of Pistons if Disc Brake:
Brake Pads Make & Model:
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Doctor Derek Doctors
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| posted on 18/11/15 at 03:04 PM |
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Completed Survey Tilly
General
Vehicle Make & model: T89 Designs Locost Sprint (AKA The Life-Taker)
Vehicle Mass Exc Driver (Kg): 420Kg
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ): Hillclimb/Sprint
Front
Tyre Size: 195/530/13
Tyre Inflation Pressure (Cold PSI): 16
Tyre Make & Model: Avon A15
Wheel Width (Inches): 8
Wheel Mass (Kg): ?
Wheel Offset (+/- mm): 0
Wheel Make & Model: RMD Minilite
Brake Disc Diameter & Thickness: 257/13
Brake Caliper Make & Model: Wilwood Powerlite
Number of Pistons: 4
Brake Pads Make & Model: Wilwood Road Compound
Rear
Tyre Size: 210/550/13
Tyre Inflation Pressure (Cold PSI): 15
Tyre Make & Model: Avon A92
Wheel Width (Inches): 9
Wheel Mass (Kg): ?
Wheel Offset (+/- mm): +15
Wheel Make & Model: Two Gates Wheels Minilite
Brake Disc Diameter: Sierra Cosworth (not sure on details)
Brake Caliper Make & Model: Wilwood Dynapro
Number of Pistons if Disc Brake: 2
Brake Pads Make & Model: Wilwood Road compound
Comments based on your personal experience:
Very predictable and cotrollable handling, tons of grip. Brakes require effort to lock but not too grabby and not too stiff.
Designer and Supplier of the T89 Designs - Single Seater Locost. Build you own Single Seater Racecar for ~£5k.
Plans and Drawings available, U2U or e-mail for details.
Available Now: The Sports Racer Add-On pack, Build a full bodied Sports Racer for Trackdays, Sprints and Racing.
www.t89.co.uk
www.racecarwings.co.uk
callan@t89.co.uk
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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tilly819
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| posted on 23/11/15 at 02:07 PM |
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Cheers guys, I really appreciate you taking the time to do this.
I could really do with about 20 people to do this. So this comment is also a bit of a bump for the thread.
Tilly
F20C Haynes roadster 440 BHP/Tonne www.youtube.com/handmadeextreme
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mark chandler
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| posted on 23/11/15 at 05:43 PM |
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To many questions makes it daunting 
General
Chapmans Locost with IRS and matching front wheelbase.
918 fireblade with turbo
Vehicle Mass Exc Driver (Kg): 440kg
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ): Hillclimb/Sprint
Front
Tyre Size: 185/60/13
Tyre Inflation Pressure (Cold PSI): 14
Tyre Make & Model: yoko 048
Wheel Width (Inches): 6
Wheel Mass (Kg): ?
Wheel Offset (+/- mm): et20
Wheel Make & Model: Minilite
Brake Disc Diameter & Thickness: 2.8 Capri
Brake Caliper Make & Model: willwood clone
Number of Pistons: 4
Brake Pads Make & Model: Mintex 1144
Rear
Tyre Size: 205/60/13
Tyre Inflation Pressure (Cold PSI): 14
Tyre Make & Model: yoko 048
Wheel Width (Inches): 7
Wheel Mass (Kg): ?
Wheel Offset (+/- mm): et20
Wheel Make & Model: Minilite
Brake Disc Diameter: XR4x4
Brake Caliper: Ford XR4x4
Number of Pistons if Disc Brake: 2
Brake Pads Make & Model: EBC green stuff
predicatable fast car, tyres easily shredded over 2 track days so I run the equivilent Michelin slicks, these days when sprinting.
other car I sprint is an Aston Martin DB7 i6, standard car if you want to look up the specs, this runs Michelin cup sport 2 tyres, front 36psi, rear
34psi, goes well for a soft road car, predicable near the limit, 4pot brakes front, 2 pot rear running DS11 pads on the front, standard pagid items on
the rear.
The rear is underbraked !
[Edited on 24/11/15 by mark chandler]
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tilly819
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| posted on 27/11/15 at 09:35 PM |
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Thanks Mark,
Really appreciate it!
Tilly
F20C Haynes roadster 440 BHP/Tonne www.youtube.com/handmadeextreme
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tilly819
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| posted on 16/12/15 at 02:44 PM |
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Bit of a bump, it would be great if I could get a few more replies to this.
Thanks again to those of you who have already done it .
Tilly
F20C Haynes roadster 440 BHP/Tonne www.youtube.com/handmadeextreme
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jeffw
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| posted on 16/12/15 at 03:30 PM |
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General
Vehicle Make & model: Sylva Phoenix
Vehicle Mass Exc Driver (Kg): 620
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ): Sprint
Front
Tyre Size: 185/60 13
Tyre Inflation Pressure (Cold PSI): 18
Tyre Make & Model: Avon ZZR
Wheel Width (Inches): 6J
Wheel Mass (Kg):
Wheel Offset (+/- mm): ET20
Wheel Make & Model: Compomotive CXR
Brake Disc Diameter & Thickness: 285x22
Brake Caliper Make & Model: Wilwood Midlite
Number of Pistons: 4
Brake Pads Make & Model: Hawk DTC30
Rear
Tyre Size: 215/50 13
Tyre Inflation Pressure (Cold PSI): 15
Tyre Make & Model: Avon ZZR
Wheel Width (Inches): 8J
Wheel Mass (Kg):
Wheel Offset (+/- mm): ET0
Wheel Make & Model: Compomotive CXR
Brake Disc Diameter: 240
Number of Pistons if Disc Brake: 4
Brake Pads Make & Model: EBC Green
Comments based on your personal experience: Quick, locks up quite quickly. Needs more front tyre.
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b14wrc
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| posted on 17/12/15 at 12:15 PM |
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Hi, my car is still in build, but this is where i am up to. Hope it helps, bit different to the norm.......
General
Vehicle Make & model: Mid engined locost
Vehicle Mass Exc Driver (Kg): 600 (ish)
Vehicle Purpose ( Road / Road & Track-day / Circuit Race / Hill Climb / Sprint ): Road & Track-day
Front
Tyre Size: 225/45/16
Tyre Inflation Pressure (Cold PSI):
Tyre Make & Model: Yokohama Advan AD08's
Wheel Width (Inches): 7J
Wheel Mass (Kg):
Wheel Offset (+/- mm): ET38
Wheel Make & Model: Team dynamic Prorace 1.2
Brake Disc Diameter & Thickness: 283x26 Pug 406 disc converted to run on the Cortina MK5 hub
Brake Caliper Make & Model: Brembo (fiat coupe 20VT)
Number of Pistons: 4
Brake Pads Make & Model: Currently standard fiat coupe
Rear
Tyre Size: 255/40/17
Tyre Inflation Pressure (Cold PSI):
Tyre Make & Model: Yokohama Advan AD08's
Wheel Width (Inches): 9J
Wheel Mass (Kg):
Wheel Offset (+/- mm): ET23
Wheel Make & Model: Team dynamic Prorace 1.2
Brake Disc Diameter: 240
Number of Pistons if Disc Brake: 1
Brake Pads Make & Model: Standard fiat coupe rear caliper and pads (at the moment)
20vt powered rear engined locost
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tilly819
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| posted on 28/12/15 at 05:15 PM |
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Cheers guys,
If we can get a few more that would be great.
I recon if we can get enough this would also be a great reference thread for people in future!
Cheers
Tilly
F20C Haynes roadster 440 BHP/Tonne www.youtube.com/handmadeextreme
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b14wrc
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| posted on 23/11/16 at 12:24 PM |
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How did you get on with this in the end? Assume you finished your degree?
Rob
20vt powered rear engined locost
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