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1970s Formula Libre


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#1 petestenning

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Posted 26 November 2011 - 06:37

EVENT 7 BOC FORMULA LIBRE 10 LAPS

34 COLIN ANDREWS MARCH 708 1600
36 BILL STONE MARCH 708 1600
37 PETE TINWORTH MARLIN 1600
40 JOHN TREVELYAN MERLYN MK17 1600
131 BRINETON ENGINEERING CO. STEVE THOMPSON CHEVRON B17C 1800
132 BILL CREASEY BRABHAM BT14 1598
135 NEWBRIDGE RACING DEV. TONY BROSTER DULON LD9B 1600
138 SPENCER ELTON BRABHAM BT21C 1598
139 BPG ENGINEERING CO. ROD PICKERING BRABHAM BT18 1598
141 PAUL CRAVEN CHEVRON B17B 1598
142 GRAHAM EDEN CHEVRON B17C 1598
143 DAVID SANTER BRABHAM BT18 1558
144 P.W.WRIGHT EMERYSON 1500
145 JEREMY BOUCKLEY EMBERTON MK1A 1498
146 P&M RACING PREPARATIONS JIM EDWARDS BRABHAM BT28 998
147 KEN BAILEY ALEXIS MK17 997
148 KEN SEDGLEY ALEXIS MK17 997
149 JOHN FINCH BRABHAM BT21B 997
150 CHRIS SKEAPING CHEVRON B17 997
RESULTS
1ST 131 STEVE THOMPSON
2ND 142 GRAHAM EDEN
3RD 139 ROD PICKERING
4TH 133 TONY BROSTER
5TH 148 KEN SEDGLEY
6TH 150 CHRIS SKEAPING


34,36,37,40, all Formula Fords
146,147,148,149,150, F3'S ?
145, Monoposto ?
The remainder mainly F2'S OR F2 Based?

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#2 petestenning

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Posted 26 November 2011 - 06:44

SNETTERTON 21ST MARCH 1971 RECC





EVENT 3 Formula Libre & Sports Racing Cars 8 Laps
79 Ecurie St George Toby Mathews Cooper Maserati
80 Philip Guerola Brabham BT21A 1558

109 Rod Bolwell Lotus 23
110 Duke Soares Daren GT 2000
111 Donald Duplas U.F.O.Spyder 1000


This is programme entfies only there may have been additional runners

79 presumably an F1 ?
80 Guerola's familiar Libre car
109 Bolwell,s Lotus usually used in GT Events
110 Maynard Soares a car used after me used his Lotus 7
111 i believe an American airman ?

#3 delta44

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Posted 26 November 2011 - 07:32

SNETTERTON 21ST MARCH 1971 RECC





EVENT 3 Formula Libre & Sports Racing Cars 8 Laps
79 Ecurie St George Toby Mathews Cooper Maserati
80 Philip Guerola Brabham BT21A 1558

109 Rod Bolwell Lotus 23
110 Duke Soares Daren GT 2000
111 Donald Duplas U.F.O.Spyder 1000


This is programme entfies only there may have been additional runners

79 presumably an F1 ?
80 Guerola's familiar Libre car
109 Bolwell,s Lotus usually used in GT Events
110 Maynard Soares a car used after me used his Lotus 7
111 i believe an American airman ?

I am still in touch with Tony Broster ,I will ask him if he has any memories of that race for you.

#4 David McKinney

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Posted 26 November 2011 - 07:33

In the BOC race, without going through one by one, it seems most were either purpose-built libre cars, or F3 models

From Snetterton: Toby St George Matthews ran an ex-works T86 Cooper-Maser (F1-2-67)

#5 Rob29

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Posted 26 November 2011 - 08:44

In the BOC race, without going through one by one, it seems most were either purpose-built libre cars, or F3 models

From Snetterton: Toby St George Matthews ran an ex-works T86 Cooper-Maser (F1-2-67)

Purpose built F.Libre car was I think a very rare event.Most of those listed not FF or F3 were F2, F.5000 or F.Atlantic.Some which only ran in F.Libre may have ben built for Intercontinental formula 1962 which never happened.

#6 David McKinney

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Posted 26 November 2011 - 10:11

Brabham BT14 was a libre model, as was the BT21C, and several BT18s were sold new for libre racing

Chevron B17B and B17C were also libre (or FB) variants

#7 Allen Brown

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Posted 26 November 2011 - 11:40

EVENT 7 BOC FORMULA LIBRE 10 LAPS

131 BRINETON ENGINEERING CO. STEVE THOMPSON CHEVRON B17C 1800
132 BILL CREASEY BRABHAM BT14 1598
135 NEWBRIDGE RACING DEV. TONY BROSTER DULON LD9B 1600
138 SPENCER ELTON BRABHAM BT21C 1598
139 BPG ENGINEERING CO. ROD PICKERING BRABHAM BT18 1598
141 PAUL CRAVEN CHEVRON B17B 1598
142 GRAHAM EDEN CHEVRON B17C 1598
143 DAVID SANTER BRABHAM BT18 1558
144 P.W.WRIGHT EMERYSON 1500
145 JEREMY BOUCKLEY EMBERTON MK1A 1498

145, Monoposto ?
The remainder mainly F2'S OR F2 Based?

Most of these were regular libre cars. Thompson's was ex-F2 but now with a FVC and most of the others were twin-cam cars that might have been technically eligible for F2 but can't really be seen as F2 cars. Wright's Emeryson is the one real mystery car in that group.

I agree with David that cars were built specifically for libre racing even if it was rare for a whole model of car to be designed for libre. At least two Lotus 22s and at least one Brabham BT6 were sold with larger engines for libre racing. The twin-cam-inspired 1600cc category of libre racing then developed from 1963 to 1965 and was formalised in several parts of the world - in the US in 1965, in Ireland in 1967, in Europe for hillclimbing, in Australia and also in South-East Asia - so some cars were built new with twin-cams. A Lotus 27 might have been the first but then came the 1964 Brabham BT14s which were mostly sold to British libre racers. Then, with the growth of FB in the US, we saw Brabham BT18s, Lotus 41Cs, Brabham BT21As, Chevron B14s and so on. The 1967 Crosslé 12F was another such design, intended for the 1600cc class of Irish racing but also sold to the US for FB.

#8 petestenning

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Posted 26 November 2011 - 13:22

Silverstone 14th March 1971 NSCC




EVENT 6 FORMULA LIBRE 10 LAPS
140 DAVID PROPHET MCLAREN M10B 5000
141 JOHN JORDAN MCLAREN 5000
142 RICHARD SIMMS CHEVRON B8 BMW 1991
143 ALAN FOWLER MERCURY GT 1800
144 FRANK ASTON CHEVRON B16 1600
145 PETER WARDLE LOTUS 69 1600
146 MIKE STOW BRABHAM BT35 1600
147 PHILLIP GUEROLA BRABHAM BT21A 1600
148 BILL GUBELMANN MARCH 711B 1598
149 MICHAEL IRONS BRABHAM BT18 1500
150 DONALD DUPLAS DAISY SPYDER 1000
202 JOHN SPENCER SCAPHOLD 1600
204 B.A.HOLE A.H.SPRITE 1100
259 MICHAEL PARKIN TBN JAMUN T3 1598
269 DAVID EMERY TONY RUSH MERLYN MK11A 1598
51 BILL RUSSELL ALEXIS MK18 1598
52 MARTIN WATSON ALEXIS MK18 1598
53 DAVID DAWSON ALEXIS MK14 1598
55 STEPHEN B ATEMAN DULON LD4 1598
56 MICHAEL HIRONS DULON LD4 1598
65 STEVE RUSSELL MALLOCK MK9B 1598
66 COLIN ANDREWS MARCH 718 1598
74 DAVID DORMAN PRINGETT MISTRALE 1600


140 David Prophet's f5000
141 Jordan's McLaren MIC , i think this is this car and not the M6B he had later ?
142,143,144, Simms/Fowler regulars GT men as was Aston later in the ex Lord Astra, he has a B16 not many seen in Libre races
145,146,147,148, Atlantic cars i believe
149 Monoposto ?
150, Duplas Daisy 504
202 Clubmans
the remainder Formula Ford ,+ the lone Sprite

#9 Cirrus

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Posted 26 November 2011 - 13:24

I seem to recall a car called an Emberton in Monoposto in the mid-seventies.

I'm pretty sure you're right about Mike Irons as well - he was a Monoposto regular in the mid-seventies.

Edited by Cirrus, 26 November 2011 - 13:28.


#10 Allen Brown

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Posted 26 November 2011 - 13:52

Silverstone 14th March 1971 NSCC

...

140 David Prophet's f5000
141 Jordan's McLaren MIC , i think this is this car and not the M6B he had later ?
142,143,144, Simms/Fowler regulars GT men as was Aston later in the ex Lord Astra, he has a B16 not many seen in Libre races
145,146,147,148, Atlantic cars i believe
149 Monoposto ?
150, Duplas Daisy 504
202 Clubmans
the remainder Formula Ford ,+ the lone Sprite

Yes, yes and yes. And yes. Very useful entry list especially because - as you say - Aston rarely appeared in that B16. BTW, the race was won by John Wingfield in a Brabham BT30.

#11 Alan Cox

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Posted 26 November 2011 - 14:04

Silverstone 14th March 1971 NSCC
148 BILL GUBELMANN MARCH 711B 1598

Is this a typo in the entry list? I don'trecall a 711B.

#12 David McKinney

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Posted 26 November 2011 - 15:43

The twin-cam-inspired 1600cc category of libre racing then developed from 1963 to 1965 and was formalised in several parts of the world - in the US in 1965, in Ireland in 1967, in Europe for hillclimbing, in Australia and also in South-East Asia

...not to forget the twincam-inspired 1500cc formula in New Zealand from 1965 :)


#13 petestenning

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Posted 26 November 2011 - 15:48

Gubelmann is definitely printed as a March 711B but as we know programmes can be inaccurate .

John Wingfield's Brabham BT30 must have been an extra entry

Edited by petestenning, 26 November 2011 - 15:48.


#14 Allen Brown

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Posted 26 November 2011 - 16:03

Is this a typo in the entry list? I don'trecall a 711B.

Gubelmann had a 71BM that he used in British Atlantic early in the season and then in Formula B in the US. He had various names for his car - his favourite later in the season was to call it a 712M. Anything for a bit of extra start money I guess.

#15 petestenning

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Posted 26 November 2011 - 16:26

EVENT 7 FORMULA LIBRE 10 Laps
67 FRANK SYTNER LOTUS 61 1600 RED
68 STEVE RUSSELL MALLOCK MK7 1600 GRN/SIL/ORG
69 COLIN ANDREWS MARCH 708 1600 BLUE
70 MIKE ENDEAN MARCH 708 1598 YELLOW
71 BILL STONE MARCH 708 1600 WHITE
74 CHRIS SIMPSON MERLYN MK11A 1600 BLUE/ORG
78 SHERIDAN THYNNE RICHARD CARDEW TITAN MK4 1600 DK BLUE
81 DEREK LAWRENCE TITAN MK 6 1600 ORG
84 DEREK LAWRENCE CHRIS FEARON ALEXIS MK4M? 1598 BLUE/YELLOW
86 TOM STOCK LOLA T70 MK3 4990 BLUE
87 JOHN JORDAN FORD GT40 4971 WHITE
103 RAY HARRIS LTD BRIAN TARRANT HARRIS RH5 4897 PURPLE/GOLD
104 PAUL BRINDLEY ALEXIS TC 1600 YELLOW
105 JOHN ELLIS DULON LD4C 1600 YELLOW
106 MIKE STOW LOTUS 59 1600 YELLOW
107 GEOFF FRISWELL BRABHAM BT21B 1598 BLACK/SIL
108 BILL CREASEY BRABHAM BT14 1598 YELLOW/BLACK
109 GRAHAM EDEN CHEVRON B11/17 1594 BLUE
110 GEOFF WILLIAMS LOTUS 31X TC 1594 BLUE/YELLOW
111 PAUL WELDON BRABHAM BT15 1500 RED/WHITE/BLUE
112 RICHARD DE LA RUE APOGEE1498 1498 GREEN
114 ANDREW STEVENS LOTUS 22 1498 MAGENTA
115 JIM YARDLEY BEAGLE 997 BLUE/ORG
116 MIKE WILDS VIXEN VB1 875 GREEN
117 BOB JARVIS VIXEN X 875 YELLOW
118 RON PARKER VIXEN VB4 875 BLACK/SIL
119 PAT LONGHURST VIXEN VB4 875 BLACK/SIL

WINNER 109 EDEN



2ND August 1970 Silverstone


116 to 119 Formula 4 cars
John Jordans GT40 Chassis GT40P/1038 EX ESSEX WIRE
Tim Stocks Lola T70 Chassis SL73/ 112 EX Epstein was written off later
Interesting mention of the Harris RH5 and Brian Tarrant

Edited by petestenning, 27 November 2011 - 17:29.


#16 alansart

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Posted 27 November 2011 - 17:11

EVENT 7 BOC FORMULA LIBRE 10 LAPS

132 BILL CREASEY BRABHAM BT14 1598


In about 1972 a friend at College in Luton who's father new Bill Creasey told me a story that on one occasion Creasey tested the Brabham on the M1 whilst on the way to Silverstone!