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DROC Rolling Road Day

12th May 2002

 Chris Brice tells us about the enjoyable Rolling Road day held at PTS in Luton, Bedfordshire.  Attendees were Mark F, Ash T, Bill R, Chris B, Paul B,  Steve M, Chris H, Mike P, Chris S and Richard P.

Chris & bills V8s.jpg (112672 bytes)line of rushes2.jpg (111940 bytes)line of rushes.jpg (110180 bytes)It was a crisp sunny morning when we all met in the B&Q car park near Luton. I had taken a friend John along for a bit of fun and everybody sauntered over as we got out of the car. The perfect audience for my poor friend John as, to his maximum embarrassment, his door came off in his hands! Those wonderful fragile brass hinges had struck again and as we all made toast under Johnís chin, I think it was Mark who said slyly "somebody's going to get cold ears on the way home" which only served to add to the glow!

Thanks to Mark, the car park 'greasy spoon' had been forewarned and we all enjoyed a bacon butty. That is until Mike insisted on pointing out Paulís yellow V8 strewn with the remnants of an unfortunate pheasant. Thanks Mike, a memorable butty!

mark on the rollers.jpg (83871 bytes)mark asleep.jpg (101497 bytes)So over to the PTS rolling road where we all signed our cars and lives away, as expected of course, and Mark promptly showed us how it was all done.

 

g38fan on the rollers1.jpg (82904 bytes)g38fan on the rollers2.jpg (105045 bytes)From PTS the main challenge appeared come from Steve to see if he could wear out Ash's clutch by repeated reversing on to the rollers! I counted about 6 attempts, but it must have all been worthwhile as, commendably, the rest of the morning went without hazard.

 

 

Max power DIN 70020

Maximum Torque

 

 

Owner

RPM

BHP

Speed

RPM

Torque

Speed

Boost (psi)

Rush Type

Mark Fitzsimmons

5591

110.6

110.9

4583

109.7

116.9

n/a

DOHC 2.0

Ash Trowe

4254

119.6

92.5

4859

154.5

53.5

not enough!

Rover V8

Bill Rayner

5465

175.9

105.5

5465

183.1

83

n/a

Rover V8

Chris Brice

4491

250.8

90

3942

307.9

79

15 (-> 25)

4x4 2.1 Cosworth (with wheelspin!)

Paul Buckley

5521

211

108.1

4327

225

89.6

n/a

4.0 TVR V8

Steve Mellor

6230

220.7

122

5750

187.2

111

14

Cosworth unmodified

Chris Haywood

4509

167.5

89

4078

206.3

80.5

n/a

3.9 V8

Mike Prince

5878

373.2

111.9

5195

367.3

98.9

24

2.0 Cosworth 4x4

Chris Shilton

5744

133.6

110.3

5301

127.6

101.8

n/a

Pinto 2.1

Richard Pope

4985

103.8

96.4

4235

115.9

81.9

n/a

Pinto 2.1

mike on rollers 1.jpg (90520 bytes)mike on rollers 2.jpg (83386 bytes)awaiting the bang.jpg (78238 bytes)mike on rollers 3.jpg (71646 bytes)The numbers speak for themselves, but sitting on the roll bar of Mikeís 4x4 as it went through 4000rpm barely compares to the harshest and noisiest roller coaster you could imagine! Yes it took 2 of us on the roll bar as well as the 2 occupants to hold it down.

Chris B on the rollers.jpg (89906 bytes)Chris Brice on the rollersPrize for the most windows rattled has to go to Chris Hayward with that almost silenced V8 exhaust system and all in all a highly entertaining morning. All our thanks to Mark for its organisation.

 

Richard on the rollers 1.jpg (107528 bytes)richard on the rollers 2.jpg (79694 bytes)richard on the rollers 4.jpg (88139 bytes)richard on the rollers 5.jpg (86008 bytes)The obligatory trip to a local watering hole rounded off the day perfectly as we all sat in the garden comparing power curvesÖ Petrol heads' Paradise! Definitely the makings of an annual event.

Ash Trowe adds:

"Yep, a good day was had by all, even if my BHP figures were a bit low - over fuelling at 5000 caused a misfire, so they couldn't get a proper reading, still I've got a benchmark figure to work from.

Readings were at the wheels with a guesstimated value at the flywheel, not sure why only Paul B made it over 200bhp. The Rushes were not really suited to the rolling road as they were too light and kept wheel spinning etc. Maybe the results were not very accurate, mine should be around 190-ish at the flywheel, 160-ish at the wheels. Mine came out at 119 at the flywheel and 89(?) at the wheels. There be much more than 89 at the wheels me thinks...... I need to do a proper rolling road set up & tune session after I've bought a new RPI ignition module.....have to wait till after the holiday to the Med next week!"

Words and pictures by Chris Brice and Ash Trowe.

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