186 replies to this topic

[Bargi]

No oil coolers. Additional pre rads. Despite having the Pro Alloy Charge Cooler System which did a good job with 290BHP, now having some 375BHP the IAT after several motorway accelerations from 100kph up to 250kph+ rose up to 60 degs C. Even with a bigger pump no real gain. Furthermore the IAT needed some 4 minutes(!) of constant low power driving at 120kph to get back down to a normal level.

 

That was far from optimal!

you don't have the problem Nick did with the fans running in reverse?

[cs_]

 

No oil coolers. Additional pre rads. Despite having the Pro Alloy Charge Cooler System which did a good job with 290BHP, now having some 375BHP the IAT after several motorway accelerations from 100kph up to 250kph+ rose up to 60 degs C. Even with a bigger pump no real gain. Furthermore the IAT needed some 4 minutes(!) of constant low power driving at 120kph to get back down to a normal level.

 

That was far from optimal!

you don't have the problem Nick did with the fans running in reverse?

 

 

Nope. Double checked this back in 2010 when I dropped in the PA Pre Rad.

 

"60 is not bad"... Must admit that I am kind of a perfectionist. "not bad" = "not OK". There are three reasons for trying getting the temperature below 55 degrees:

1) Track day use, power loss after few minutes of driving.

2) Quartermile, power loss after very few turns in a row.

3) Motorway performance, power loss from standing still beginning below 200 kph and lengthen the time for getting up to top speed (~285 kph) significantly.  

Power loss is a no-go-criterium.

[Peter VXR29]

Steve.. I haven,t been able to check IAT till now as in the past I didn,t have the scan gauge when I needed it.  I also second the point about checking your fans are not running in reverse because mine where after Courtenays fitted the pro alloy system...very poor.

 

Just a note for other people, I only find the IAT a big problem on track days though it can also effect performance after 15 mins of "spirited" driving on the road when I get the same symptons as CS and you have to slow down to let car recover.

[leevx2.2]

This winters project:
 

What are the sizes of all the pre rads you have used please ?

[Rusty789]

Now I go for 4 pre rads, the [color=#ff0000;]7-core-CC from PA[/color], the[color=#ff0000;] big BOSCH PCA12V (0392 022 002)[/color] and two big air inlets beneath the headlights. I am pretty positive that the IAT will pose no problem anymore. How the water temperature will react to this mod I will see when the first test drives are done. The whole car is in a constant process of optimization. Maybe the middle pre rad will be removed if water temp will come to be an issue. Sometimes you do three steps ahead. Some other time you have to go one step back and take another branch ahead. Normal R&D.

 

What are the sizes of all the pre rads you have used please ?

 

He's mentioned them all, but not what the outer two actually are...

 

EDIT: That's wrong, that Bosch things is an Aux Water Pump.

Edited by Rusty789, 19 February 2014 - 11:13 PM.

[cs_]

... and the 7-Core-CC sits in the back, not visible on the photo.

 

The coolers are Setrab Pro Line S119 (1x) and S619 (2x). This means 19 registers each. the small ones also would have been OK with 25 registers but I did not know that for sure prior to check the coolers on my car here so I ordered the smaller ones.

Edited by cs_, 20 February 2014 - 04:47 PM.

[cs_]

Arrrrrghhh

 

Had an expensive crash yesterday!

 

 

 

 

[Goosenka]

Oh fcuk how funny. Is that GPS issue?

[cs_]

No, propeller blades got loose. The stock spinners are rubbish, propeller shafts all have right-hand threads, even the three turning right hand. Nonsense. The spinners are cones with a hole, you cannot fix them by hand strong enough.

 

Learned the lesson. Using six stopnuts now, fixed with a torque of 6Nm.

 

Drone flies again. So no real damage. Only the bills for THW and fire brigade will cost a lot...

 

 

[smiley]

Only the bills for THW and fire brigade will cost a lot...

 

 

I would imagine more then the drone.

Maybe adding the gopro makes the scale tilled towards "worth it". 

 

Kuddo´s for the heisenberg shirt

[cs_]

Hmm, naaaa, copter's some 3.300 Euros, so think getting it down this way was a bargain, better than letting it drop down in the next storm.

Edited by cs_, 23 February 2014 - 08:45 PM.

[smiley]

I see.

Buying a cheap one to get the hang of it was not an option in your book 

Edited by smiley, 23 February 2014 - 09:09 PM.

[KurtVerbose]

You should've got one of these to rescue it.

 

[cs_]

Today everything worked out fine:

 

[smiley]

Amazing how stable these things are.

 

[Ormes]

Watched intently as somebody flew one off the side of Monseratt nr. Barcelona, was incredible how controllable they are... to land it they hovered it directly above the guys head and he just plucked it out of the air I'd love one but not sure what I'd use it for

[smiley]

 I'd love one but not sure what I'd use it for

 

Same here.

@CS; are the cheaper models also this stable, or do you really need to pay for it, like with yours?  

[Peter VXR29]

If you really want to see a RC helicopter flown properly check this guy out....for those of you like me who've had a go themselves you will appreciate it even more.

 

 

[jameso]

Wow

[cs_]