260DET Posted January 27, 2012 Posted January 27, 2012 HI Thanks guys Brabham The car has a substantial cage in it so twist isn't a drama. sphincter flex on the other hand is a different matter LOL Regards Paul Don't take this as a negative comment but a cage by itself won't give chassis rigidity, the cage design has to be incorporated into the chassis design and the two integrated to form one structure. You probably realised this but some people do seem to think that a bare cage will solve there spaghetti chassis problems. Quote
Moderators Zedman240® Posted January 27, 2012 Moderators Posted January 27, 2012 From memory that cage is tied into the body in quite a few places..whereas my half cage probably only prevents those cracks appearing where the lead joins are in the rear quarters. Quote
Ledge Posted January 27, 2012 Author Posted January 27, 2012 HI Guys Yeah the cage is strut to strut with a million ties to the body, Think i could put the jack under the front right and change the rear left tyre its so rigid. Can totally understand how a half cage would achieve nothing when it comes to chassis strength. I have been using the car for a while now with a stock RB25 so this is really just and engine change. It was quick before with 195kwatw so add an extra 100 to that and I'm sure i will need a bit more right foot control. Next event for the car is Mt Alma Mile hill climb on 31st March and 1st April. Will go do a practice day at Mallala before then to get used to the extra performance. Regards Paul Quote
peter mc Posted January 27, 2012 Posted January 27, 2012 Mate its very nice that extra 100 might be more like 250kw more even on low boost Quote
Ledge Posted January 27, 2012 Author Posted January 27, 2012 HI Peter I'm really not bothered by what it makes, We will be mucking around with cams to give the most mid range, best torque curve so what ever its peak power is is what it is. As you would be well aware by some of the good things you have built big peak power figures are all but useless in the real world. Regards Paul Quote
peter mc Posted January 28, 2012 Posted January 28, 2012 thats for shore but it will make lots more than the RB25 in the top end with your turbo combo 300kw at 16 psi Quote
Ledge Posted February 4, 2012 Author Posted February 4, 2012 HI Guys Here is dyno print out with power and boost, sacrificed top end for mid range and lumpy idle but i am really happy with the result Regards Paul Quote
Z Posted February 4, 2012 Posted February 4, 2012 Other than the dyno sheet being more than 10 years old thats awesome;) Happy days! Quote
peter mc Posted February 4, 2012 Posted February 4, 2012 hehe looks like i was not to far off the mark 300+ 15 looks like you would pick up mid if your boost was better setup, what kind of control are you using Quote
Ledge Posted February 5, 2012 Author Posted February 5, 2012 HI Peter Yep your guess was better than mine. i was thinking 280 but I'm not going to argue LOL It has turbo smart eboost hooked up to the tomei actuators and turbo smart blow off valve. As it is now its good but i want to do some track driving to iron out any flat spots Regards Paul Quote
Ledge Posted February 5, 2012 Author Posted February 5, 2012 Hi All WARNING WARNING WARNING Have tissues at the ready Regards Paul Quote
zed74 Posted February 5, 2012 Posted February 5, 2012 Hi Tissues I needed a bloody beach towel Wow that is one heck of a package Well done & go get them Quote
Ledge Posted February 8, 2012 Author Posted February 8, 2012 Hi Beach towel LOL Should be on the track next Friday for a practice day Regards Paul Quote
RLY240 Posted February 8, 2012 Posted February 8, 2012 Should be on the track next Friday for a practice day P.H. is doing 17's in his 260 so I'll be disapointed if you're not in the 14's. I'll be out crewing the formula ford so will see you there. Roger Quote
Scando Posted February 9, 2012 Posted February 9, 2012 Should be on the track next Friday for a practice day Can't wait to hear how it goes Quote
Ledge Posted April 3, 2012 Author Posted April 3, 2012 Hi Lads Here is the footage i have put together from the 2012 Mt Alma hillclimb. Done a mash up of all the different camera angles that where taken on the car over the weekend some on Saturday when i had old rubber so those times where around the 49 sec mark. I Made few mistakes on that day, missed changes, missed apex's but hit nothing. My best run was the final with a 45.8 and was beaten by a full time attack RX7 with more wings than the airforce and by what i was told 450kw at the wheels and 800kg weight. From memory there wasn't many cars with a sub 46 second pass and i think only 3 2wd cars so all in all i was blown away by my result. Followed by a clean run with the camera hanging out the passenger window above the exhaust outlet with no music so turn that bit up and have your tissues handy.This run was a 49.2 on Saturday afternoon One thing i did notice with the footage is it doesnt do the steepness of this hill any justice. Hope you enjoy it. http://www.youtube.com/watch?v=FmYABmjGM2A&feature=youtu.be Regards Paul Quote
nat0_240_chevZ Posted April 3, 2012 Posted April 3, 2012 check out the bonnet lifting up in the middle,..... awesome vid, how fast do you think you were punching in the straights?? nat0 Quote
Ledge Posted April 3, 2012 Author Posted April 3, 2012 HI Thanks guys. I would guess around 180kmh. A friend had a rally car the with a monit tracker and his top speed for a run was 169kmh and his run was 49.2 sec Regards Paul Quote
Ledge Posted September 7, 2012 Author Posted September 7, 2012 Hi Chaps Have entered the Super sprints at Mallala on Oct 21st Will take the Go pro and link some vids soon after cheers Paul Quote
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