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-   -   Diesel shortage... (https://www.subsim.com/radioroom/showthread.php?t=85194)

Kalach 10-07-05 09:52 PM

Diesel shortage...
 
I've been trying a career in a IXC a few times now but find I'm not given nearly enough fuel to get to my patrol area and back :damn:
I have the MAN engine upgrade, full effiency in the engines, made sure the battery is not in recharge mode and the fuel tank is in working order. This gives me ~20,000km at the slowest speed, but I keep getting sent to NY and near Tampa, which are both about a 20,000km return trip :-?
I have to draw the shortest course possible, go at slow speed, and avoid going fast to chase contacts.
What do the rest of you IX commanders do??

andy_311 10-07-05 10:00 PM

don't go disobey orders save your men,what's a couple of renown points your the captain choice is yours.

SubSerpent 10-07-05 10:29 PM

Well with the rise in fuel costs these days, it's no surprise that people are somehow syphoning fuel from your U-boat...Virtually of course! :arrgh!:

FAdmiral 10-08-05 01:01 AM

You need the refuel option, look for it in the upcoming Harbor Mod.


JIM

spud_gun 10-08-05 02:59 AM

Try running at ahead one third, it seems to extend range somewhat, or at least it does in my II-A

Detritus 10-08-05 05:42 AM

Get rid off MAN, ahead slow, submerged in bad weather. Or if you want to keep MAN, set appropriate speed by knots not these 'Ahead 1/3' and such. Long trips are all about fuel management and taking the correct routes. My longest trip to east coast/Carbibbean took three months and I still had 25% fuel left back at home (in IXB).

Commander1980 10-08-05 06:44 AM

Quote:

Originally Posted by SubSerpent
Well with the rise in fuel costs these days, it's no surprise that people are somehow syphoning fuel from your U-boat...Virtually of course! :arrgh!:

indeed, especially in germany... :roll:

It would be very fine if the BDU installs a petrol station in the United States, where kaleuns can refuel with half the costs.... ;) :hmm: :lol:

Muntjak 10-08-05 07:53 AM

Quote:

Originally Posted by Detritus
Get rid off MAN, ahead slow, submerged in bad weather. Or if you want to keep MAN, set appropriate speed by knots not these 'Ahead 1/3' and such. Long trips are all about fuel management and taking the correct routes. My longest trip to east coast/Carbibbean took three months and I still had 25% fuel left back at home (in IXB).

what is the best speed for VIIC with MAN installed? Currently I'm using 8-9 knots, it gives me about 16000 km AFAIR.

Sturm 10-08-05 08:09 AM

Re: Diesel shortage...
 
Quote:

Originally Posted by Kalach
I've been trying a career in a IXC a few times now but find I'm not given nearly enough fuel to get to my patrol area and back :damn:
I have the MAN engine upgrade, full effiency in the engines, made sure the battery is not in recharge mode and the fuel tank is in working order. This gives me ~20,000km at the slowest speed, but I keep getting sent to NY and near Tampa, which are both about a 20,000km return trip :-?
I have to draw the shortest course possible, go at slow speed, and avoid going fast to chase contacts.
What do the rest of you IX commanders do??


Set your speed to 9-10 knots.

Quote:

Originally Posted by Muntjak
what is the best speed for VIIC with MAN installed

Also 9-10 knots with MAN.


The optimal speed varies with different types of engine upgrades. Just try different speeds and ask your Nav officer max range at current speed for finding the maximum range.

Sturgeon 10-08-05 09:35 AM

This question also brings up the issue of map projections. The shortest course may not be a straight line on your map, but I'm not sure if the sim accurately represents this. When plotting a course to New York, for example, it might be interesting to first set a straight course (on the map) with one waypoint half-way between. Then drag the middle waypoint north and watch the distance to the end waypoint. The total distance should decrease until you find a minimum value. Doing this with multiple waypoints should allow you to find a 'great circle' course between points (again, if the sim accurately does this).

I will have to try this tonight, and I will report back.

panthercules 10-08-05 10:51 AM

Re: Diesel shortage...
 
Quote:

Originally Posted by Sturm
Set your speed to 9-10 knots.

Quote:

Originally Posted by Muntjak
what is the best speed for VIIC with MAN installed

Also 9-10 knots with MAN.


The optimal speed varies with different types of engine upgrades. Just try different speeds and ask your Nav officer max range at current speed for finding the maximum range.

This is interesting - it seems to me that I have been getting better results (longer ranges, at least as reported by my NO) at around 7 knots, but I noticed doing some research last night that all of the range figures I was seeing for the Type VII boats were listed at 10 knots. I haven't done any testing of this for a while though - guess I'll have to do some testing on a knot-by-knot basis and see what happens.

Elder-Pirate 10-08-05 12:07 PM

Re: Diesel shortage...
 
[quote="panthercules"][quote="Sturm"]Set your speed to 9-10 knots.

Quote:

Originally Posted by Muntjak
I haven't done any testing of this for a while though - guess I'll have to do some testing on a knot-by-knot basis and see what happens.



To be or knot to be. :rotfl:

Detritus 10-08-05 12:16 PM

Re: Diesel shortage...
 
Quote:

Originally Posted by panthercules
Quote:

Originally Posted by Sturm
Set your speed to 9-10 knots.

Quote:

Originally Posted by Muntjak
what is the best speed for VIIC with MAN installed

Also 9-10 knots with MAN.


The optimal speed varies with different types of engine upgrades. Just try different speeds and ask your Nav officer max range at current speed for finding the maximum range.

This is interesting - it seems to me that I have been getting better results (longer ranges, at least as reported by my NO) at around 7 knots, but I noticed doing some research last night that all of the range figures I was seeing for the Type VII boats were listed at 10 knots. I haven't done any testing of this for a while though - guess I'll have to do some testing on a knot-by-knot basis and see what happens.

Faster you go=more fuel you spend= shoirter the range. There's a limit though, how slow to go. The boat won't simply response well enough on surface if going really slow and you might actually get a hit on your range. Especially, if the weather is a bit windy. I'd say ahead slow (ie. around 7 knots) gives you optimal range while still making progress. Of course, lot depends also where you're going: if you just plan to go somewhere bear Ireland, you can safely go a bit faster but long range patrols is different story. Using common sense works well enough ;)


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