Author Topic: How is radiator damage modeled? (Read 734 times)

MANDOBLE · « **on:** August 11, 2003, 07:16:14 AM »

My experience with 190D9 is (over'n over) is as follows:

1 - Your radiator is pinged (Well, the aircraft is pinged anywhere and the radiator gets damaged).
2 - You have 10 or 15 secs with engine working right, temp not over increasing even with WEP ON.
3 - Then the temp will raise at a constant speed, no matter MAN/RPM settings and the engine will die in 2 secs. You can stop the engine, but once started again, the temperature will raise again at the same speed.

Maverick · « **Reply #1 on:** August 11, 2003, 10:29:17 AM »

Other than the complaint listed as #1 in your post, what part of the modeling is in error???? A lack of coolant WILL cause engine temps to rise in a liquid cooled engine.

MANDOBLE · « **Reply #2 on:** August 11, 2003, 11:12:52 AM »

I cant understand why the temperature increase rate is equal no matter the RPMs/MAN settings.

fffreeze220 · « **Reply #3 on:** August 11, 2003, 12:22:48 PM »

There is no real engine modelled in AH. Thats why it just shut down after a certain time. In FB u have loss of power with a burning or leaking engine. eg. IMHO way more fun

AKS\/\/ulfe · « **Reply #4 on:** August 12, 2003, 01:05:35 AM »

Ever driven a car leaking coolant and is also NOT circulating the coolant through the engine?

I have, even at idle speeds, the temp raises quickly to the point of blowing the engine - only choice to save the engine is to shut it off and coast while it cools down, turn it on - go a little further - shut it off and coast.
-SW

BenDover · « **Reply #5 on:** August 12, 2003, 07:52:49 AM »

radiator + bullet = hole = coolent pissing out of the hole

GScholz · « **Reply #6 on:** August 12, 2003, 08:10:31 AM »

Dora had two radiators, so did a lot of WWII fighters, 109s, later Spits. AH only modelles one system for every engine. Design limitation in AH.

The one thing I don't understand about the Dora however is the fact that it has the same cooling times as the radial engined A series. 10 min WEP and 20 min (!) to cool down. Why the Dora dosn't cool like other liquid cooled LW fighters I don't understand.

funkedup · « **Reply #7 on:** August 12, 2003, 10:34:22 AM »

Both radiators are part of the same cooling system, so that's a moot point.

john9001 · « **Reply #8 on:** August 12, 2003, 10:40:55 AM »

clip from 'typhoon rad damage" thread.

<<<<<
Coolant leak times are exactly the same for all planes.

It is randomly generated from 30 to 90 secs.

And now mandoble you can start your argument how thats unfair to the 190, and it should leak much slower than all other planes.

HiTech

>>>>>>

BenDover · « **Reply #9 on:** August 12, 2003, 11:01:30 AM »

That clip's fake, the spelling's all correct.

GScholz · « **Reply #10 on:** August 12, 2003, 11:05:38 AM »

Quote

Originally posted by funkedup
Both radiators are part of the same cooling system, so that's a moot point.

I don't think so, at least not on the later mark Spits. They had two independant systems AFAIK. Dunno about the Dora, but it would seem unnessesary to thave two semi-circle radiators in the nose if they were conected to the same system. Never the less the point is mute since AH doesn't model more than one system anyway. I still wonder about the cooling time being the same as the radial engined A-series.

funkedup · « **Reply #11 on:** August 12, 2003, 11:23:19 AM »

There's one coolant circuit through the engine block and one coolant pump for that circuit. On a system like that, you can have as many radiators as you want, but as long as one of them has a leak, you are going to run out of coolant.

On the Spit you are probably thinking about the oil cooler and the intercooler heat exchanger. They are basically radiators, but deal with different fluids from different systems.

Karnak · « **Reply #12 on:** August 12, 2003, 08:20:11 PM »

Funkedup,

He is correct. On Spits with symetrical radiators there is a valve that closes if there is a preasure drop from one of the radiators.

It is mentioned in "Spitfire, The History" by Eric B Morgan and Edward Shacklady.

I don't where off hand (I seem to recall it being in the Mk IX section), but am too tired to look any harder than I just did right now.

funkedup · « **Reply #13 on:** August 12, 2003, 10:26:16 PM »

Well sheeyit that's pretty cool.
I wouldn't be surprised if other multi-radiator engine installations on aircraft from other countries had the same feature.
I have been pwn3d by Gscholz.

GRUNHERZ · « **Reply #14 on:** August 12, 2003, 10:58:15 PM »

Yea some 109s had a similar feature though IRRC it was a manual shutoff.