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23 Jun 2010, 21:13 (Ref:2717082) | #276 | |
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Posts: 106
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24 Jun 2010, 07:33 (Ref:2717245) | #277 | ||
Racer
Join Date: Dec 2007
Posts: 115
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Quote:
a GV4 will rev to 10500 / 11000 max. producing about 730/740 BHP...the lower rpm is mainly an issue for the gears being used...as the ratios have to be completely different to what has been used in F1, where engines revved up to 15 or 16000 rpm. The bigger issue for the gears and especially also for the diff is the increased torque a bigger capacity engine will deliver. F1 boxes are built to the limit and only strong enough to cope with the avaliable torque the original engine produced. If you choose a bigger size engine you will use lower revs, but you will end up with 20 or 30% higher torque. This will make gear lifing a big issue, as well as driveshafts and diffs will have a hard time to survive. Of course the cars a re not driven on their limit all the time, but still the bending reserve of the gears and simply the design of several components will not make it, unless you keep throwing new parts at the car all the time. |
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24 Jun 2010, 09:07 (Ref:2717283) | #278 | |
Racer
Join Date: Jan 2004
Posts: 106
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Why don't they use a gearbox which can cope with the extra torque? The Judd's were well used on Le Mans, so there are strong enough gearboxes build/available i suppose.
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24 Jun 2010, 14:52 (Ref:2717446) | #279 | |||
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Join Date: May 2003
Posts: 286
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Quote:
if it was cheap everyone would be doing it!!! |
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24 Jun 2010, 21:41 (Ref:2717593) | #280 | ||
Racer
Join Date: Dec 2007
Posts: 115
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Quote:
LMP1 or endurance boxes are a different kettle of fish...bigger, heavier, transverse, not in-line, low instead of high diff - they would heavily interfere with an existing F1 diffuser, not talking about all suspension pickups being different, requiring a complete redesign of the rear suspension, which then means the whole rear end of the car would change including wheelbase, rollcentre, etc etc... Sportscars are running to a different aero regulation to F1 - it is possible, but you would spend massive amounts of money to make it work... No matter which way you´re trying to do it... to run a F1 car costs money... some have to learn it the hard way, that it´s not possible to run it cheap |
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25 Jun 2010, 07:17 (Ref:2717691) | #281 | ||
Racer
Join Date: May 2007
Posts: 136
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[QUOTE=flatbroke;2717016]are the Arrows not carbon wrapped boxes??
No there not just wrapped, they are full carbon boxes with titanium inserts, and the gear ratios are about the same size as formula ford ratios!!! |
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25 Jun 2010, 17:17 (Ref:2717922) | #282 | |||
Racer
Join Date: May 2003
Posts: 286
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[QUOTE=H.Eng;2717691]
Quote:
I take it you have the gears crack tested after every weekend or session same with the Carbon suspension ? same with the carbon box! |
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25 Jun 2010, 18:31 (Ref:2717945) | #283 | ||
Racer
Join Date: Dec 2007
Posts: 115
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[QUOTE=flatbroke;2717922]
Quote:
i´d say crack testing will not prevent from damage...F1 gears have a limited in-gear time...once you exceed it... BANG...and you´ll have public primary shaft-viewing... seen that happen on X-trac "100-ratio" before...which means the gear has bending reserve for 100km in-gear time...and it´s not 1st or 2nd gear that will give up... it´ll be probably 4th or 5th because there´s less slip and full torque going through the gears... |
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25 Jun 2010, 20:09 (Ref:2717971) | #284 | |||
Racer
Join Date: May 2003
Posts: 286
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[QUOTE=zeleracing;2717945]
Quote:
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26 Jun 2010, 08:07 (Ref:2718090) | #285 | ||
Racer
Join Date: Dec 2007
Posts: 115
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[QUOTE=flatbroke;2717971]
Quote:
we´re not running any F1 cars at the moment, but that´s what i would suggest...it´s nowhere near as critical on a F3000 or WSbN gearbox...these are pretty much bullet proof (especially when using paddleshift) The more sophisticated the car becomes, i.e. GP2 or F1, the more work is to be done...and of course frequent replacing and lifing of parts is required. That´s what makes it expensive to run these cars... |
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26 Jun 2010, 11:10 (Ref:2718176) | #286 | |||
Racer
Join Date: May 2007
Posts: 136
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[QUOTE=flatbroke;2717922]
Quote:
ratios/forks and dog rings have all been made stronger to increase mileage as the standard A21 parts would not go behond 200miles, sometimes a lot less!!! Now we are running to around 550 miles on parts at the moment without to much signs of any damage!!! You can appreciate that these cars are very difficult to run with 5 people and a very limited budget!! Must need my f***ing head tested |
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6 Jul 2010, 16:09 (Ref:2722658) | #287 | |
Racer
Join Date: Jan 2004
Posts: 106
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Next race: Zolder, who will be there?
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7 Jul 2010, 22:37 (Ref:2723286) | #288 | ||
Veteran
Join Date: Apr 2006
Posts: 1,660
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Not me sadly I enjoy Zolder.
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14 Jul 2010, 09:59 (Ref:2726463) | #289 | |
Racer
Join Date: Jan 2004
Posts: 106
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I enjoy Zolder as well, but i'm not able to make it this weekend. Anyone any news on a (provisional) entry list?
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14 Jul 2010, 18:27 (Ref:2726696) | #290 | |
Racer
Join Date: Dec 2007
Posts: 115
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BOSS GP 'Open' Class
1 Henk de Boer NL Panoz DP01 Champcar Cosworth 2.8 V8 Turbo 6 2 Marijn van Kalmthout NL Benetton B197 F1 Judd 4.0 V10 7 3 Klaas Zwart NL Ascari Benetton B197 F1 Judd 4.0 V10 1 5 Frits van Eerd NL Tyrrell 026 F1 Cosworth 3.0 V10 5 6 Scott Mansell GB Benetton B199 F1 Judd 4.0 V10 8 8 Ingo Gerstl A Dallara GP2 Renault 4.0 V8 3 BOSS GP 'Masters' Class 21 Karl-Heinz Becker D Dallara Nissan WS Nissan 3.0 V6 4 22 Carlos Antunes Tavares P Dallara Nissan WS Nissan 3.4 V6 9 24 Norbert Gruber A Dallara Nissan WS Nissan 3.0 V6 3 / 4 33 Damien Charveriat F Dallara Nissan WS Nissan 3.0 V6 2 65 Alain DeBlandre B Lola T8900 Indycar Cosworth 2.7 V8 Turbo 10 BOSS GP 'Invitation' Class 32 Gregory Thornton GB Chevron B24 F5000 Chevy 5.0 V8 9 / 10 |
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14 Jul 2010, 21:29 (Ref:2726797) | #291 | ||
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Join Date: Apr 2006
Posts: 1,660
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When I suggested smaller cars entering Euroboss/Boss on here I got comprehensively villified over speed diferentials by everyone, now we see a lovely but relatively slow compared to the competition early 70s Chevron F5000 entered! A15 year old F3 car is going to be faster let alone the hybrid F3 and other single seaters I suggested should be allowed. I get an impression that there is a serious lack of entrants for this new "it'll be better than Euroboss" series...........
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15 Jul 2010, 20:12 (Ref:2727284) | #292 | ||
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I didn't think any answers would be forthcoming! |
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15 Jul 2010, 20:56 (Ref:2727301) | #293 | ||
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Join Date: May 2004
Posts: 1,479
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I got to know Greg in Dijon and saw him racing his formula Ford, Well If I can find the time I go and have a look at zolder , Greg could shake the egos of some other racers I think! After all you other posters it would be nicer to be a bit positive to all big open single seater classes. All the dirt here keeps guys who would be interested in racing younger big single seaters away from it! Is that what you all want??? Keep up the fun if you know what that is!!!!
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__________________
did anyone find my 3/4-7/8 GEDORE ringspanner at SPA? |
15 Jul 2010, 21:39 (Ref:2727317) | #294 | |
Racer
Join Date: Oct 2006
Posts: 347
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Wow ! Thats gotta be the smallest field ever. Normally 4 or 5 can be discounted from the "Provisional" list too.
Take away the 4 guys that are bankrolling it and you are left with 2 cars (maybe) in the Open class. Its beginning to look like this split has not worked as anticipated. |
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16 Jul 2010, 13:06 (Ref:2727555) | #295 | ||
Racer
Join Date: Dec 2007
Posts: 115
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Quote:
well....so far all but 2 or 3 turned up...which will make it a 10 car max. grid for tomorrow... i sincerely hope the whole situation will somehow recover... some more entries would not harm for the next two EB races in August... |
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16 Jul 2010, 13:26 (Ref:2727563) | #296 | |||
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Join Date: Apr 2006
Posts: 1,660
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Quote:
SLK55 the smallest entry was for the CSMA meeting at Brands Hatch a few years a go; 4 cars due to various reasons however the race was an entertaining one run on the Indy circuit with a great 3 way battle between Hansfords Arrows, Paul Smiths Simtek and Joachim Ryschkas G-Force. The highlight of that race was Scott Mansell breaking the outright lap record in his Benetton. |
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17 Jul 2010, 13:01 (Ref:2727980) | #297 | |
Racer
Join Date: Dec 2007
Posts: 115
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BossGP Zolder results Saturday:
Free Practice: 1. van Kalmthout - 1:19:141 2. Zwart - 1:20:792 3. Gerstl - 1:22:112 4. de Boer - 1:24:214 5. Charveriat - 1:27:105 6. Becker - 1:27:927 7. Tavares - 1:30:640 8. de Blandre - 1:34:553 9. Thornton - 1:50:754 Qualifying: 1. van Kalmthout - 1:17:985 P1 open 2. Zwart - 1:18:401 3. Gerstl - 1:21:923 4. de Boer - 1:23:358 5. Charveriat - 1:25:988 P1 masters 6. Becker - 1:27:152 7. Tavares - 1:28:826 8. De Blandre - 1:33:228 9. Thornton - 1:37:025 |
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17 Jul 2010, 18:03 (Ref:2728138) | #298 | |
Racer
Join Date: Oct 2006
Posts: 347
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I was right then, take the 4 that bankroll Boss away and you would have been left with 1 car in the open class.....hardly a sparkling grid really. Such a shame.
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17 Jul 2010, 20:25 (Ref:2728226) | #299 | ||
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Join Date: Jun 2004
Posts: 1,527
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Anyone can point out a problem, but can anyone provide a solution for BIG OSS (as a sportscar fan, I am personally not against racing alongside SOSS, but those with the money & influence seem adament they don't want it)
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__________________
There's an old F1 adage, 'If you want to finish first, first you have to be a duplicitous little moaning git' |
18 Jul 2010, 11:59 (Ref:2728420) | #300 | |
Racer
Join Date: Dec 2007
Posts: 115
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Race 1
1. Van Kalmthout 2. Gerstl 3. De Boer 4. Becker 5. Charveriat 6. Tavares 7. DeBlandre dnf: Zwart (spun off turn 3) Thornton (technical problem) race 2 starts @ 5:30 p.m. |
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