Kawanishi Type 97 (H6K) "Mavis" speed checked out good

ElAurens · 04-01-07, 12:06 PM

By measuring their flight paths on the map we have found that the Kawanishi Navy Type 97 Flying-boat (H6K), Allied code name "Mavis", is making about 350 to 400 mph in the game.

According to the TAIC (Technical Air Intelligence Center) manual the Mavis has a top speed of 216mph at 6200 feet and an economical cruise speed of 145mph at 1500 feet.

tater · 04-01-07, 12:10 PM

There are 2 numbers for speed in the cfg, min and max. The min says 60, the max says 185. Anyone know what the units are? m/s?

tater

Drebbel · 04-01-07, 12:12 PM

Quote:

By measuring their flight paths on the map we have found that the Kawanishi Navy Type 97 Flying-boat (H6K), Allied code name "Mavis", is making about 350 to 400 mph in the game.

According to the TAIC (Technical Air Intelligence Center) manual the Mavis has a top speed of 216mph at 6200 feet and an economical cruise speed of 145mph at 1500 feet.

How about the other air units ? Are they about correct ?

sea enemy · 04-01-07, 12:13 PM

Quote:

There are 2 numbers for speed in the cfg, min and max. The min says 60, the max says 185. Anyone know what the units are? m/s?

Sounds like knots to me..That'd be the most plausable for that range.

edit:yep, I believe it's knots..matches my data for the H6K4 at max speed)

ElAurens · 04-01-07, 12:24 PM

Quote:

Originally Posted by Drebbel

How about the other air units ? Are they about correct ?

No.

tater · 04-01-07, 12:41 PM

If it's knots, then the numbers are meaningless since as el aurens points out they demonstrably move at speeds far faster. I was hoping that a change in that number in the cfg file might drop their speed, but if it says 185 and they do 400, what would I change it to?

John Channing · 04-01-07, 01:17 PM

I understand the Subs in Falcon 5.0 can't go faster than 6 knots, but I have never checked.

JCC

BBury · 04-01-07, 01:39 PM

One way to tell is to time them. If they cover more than 3.5nm in less than a minute they're going too fast.

Charos · 04-01-07, 01:46 PM

Quote:

Originally Posted by ElAurens

By measuring their flight paths on the map we have found that the Kawanishi Navy Type 97 Flying-boat (H6K), Allied code name "Mavis", is making about 350 to 400 mph in the game.

According to the TAIC (Technical Air Intelligence Center) manual the Mavis has a top speed of 216mph at 6200 feet and an economical cruise speed of 145mph at 1500 feet.

This if confirmed may explain higher than expected air cover density as the patrols are being calculated at top speed for each air unit rather than economical cruise.

Which may in effect increase the actual air coverage by 30% as they can cover more distance for a given fuel payload.

If the config files only provide a min and max values it seem probable the calculations will be off as it does not have any other value on which to calculate patrols on.

Charos · 04-01-07, 02:50 PM

Here are some things to chew over:

A link to H6K Data http://www.combinedfleet.com/ijna/h6k.htm

Model H6K4 - 127 Units produced (most representitive of this AC)

184 kt at 4,000 m Maximum speed

120 kt at 4,000 m Cruising speed

Max speed fits very well if we consider cfg figures in Knots.

So at 184Knots the H6K can patrol 6,800 Km^2 per hour in SH4.
And if this was at 120 Knots it would be only 4,400Km^2 per hour in SH4.

These figures assume 20Km wide search path which is again in CFG file data.

This AC has an endurance of approx 18Hrs.

Which means in essence the H6K can patrol 42,480Km^2 MORE on one tank of fuel than it should be able to.

Not only this but on an attack run where the AC is already at top speed upon initital approach to bombing its target the difference is:

Distance to your submarine IE: Plane spotted long distance 8km range.

Top speed: 5.6Km per minute 1 min 25 Seconds closure time.
Cruise speed: 3.7Km per minute 2 Min 10 Seconds closure time.

You should expect perhaps 20 seconds more time than we have as the enemy AC picks up speed from cruise upon attack.

BBury · 04-01-07, 03:11 PM

I did some ingame testing of the H6K and it's speed came out right. Sorry El, I didn't mean to lead you astray and certainly didn't expect you to post this. My fault.

The speed of the H6K is good. I set the H6K at 1000m and 185kts (185/60= 3.08nm per minute). Once in the game I layed out a 3.1 nm circle around my boat. The plane took exactly 1 minute to cover the distance.

This is the only plane I tested.

Having said that, this is maximum speed. Do the planes in the game have the ability to cruise at thier maximum speed for thier maximum range?

More testing is in order. I guess lay out a max range waypoint at max speed and see if it'll make it? Also, payload effects range.

BB

walsh2509 · 04-01-07, 03:19 PM

Quote:

Originally Posted by BBury

One way to tell is to time them. If they cover more than 3.5nm in less than a minute they're going too fast.

I was either a Val or a Zero coming at me , on the map I did a qucik line the contact was moving towards me in, it was about 6km long. The plane covered it in less an a 1min. rough est .. 360km ph

tater · 04-01-07, 03:21 PM

If the speed is right (max) then we could chenge the max value to the cruising speed I guess.

Von Hinten · 04-01-07, 03:24 PM

Quote:

Originally Posted by ElAurens

... Allied code name "Mavis", is making about 350 to 400 mph in the game.

Mine only go down with that speed ... but I agree that they tend to 'get there fast' once spotted. And then my gun crew has fun with them ...

The thing that bothers me more is how the heck they find me in the first place. When my radar picks them up they come from a very long distance, flying straight at me.

BBury · 04-01-07, 03:29 PM

Quote:

Originally Posted by Von Hinten

Quote:

Originally Posted by ElAurens

... Allied code name "Mavis", is making about 350 to 400 mph in the game.

Mine only go down with that speed ... but I agree that they tend to 'get there fast' once spotted. And then my gun crew has fun with them ...

The thing that bothers me more is how the heck they find me in the first place. When my radar picks them up they come from a very long distance, flying straight at me.

Yes, this has been posted elsewhere. They always know where you are in a straight line.

I got in the habit of drawing 400nm circles from the edges of all Japanese help territory. This seems to be the extent of the range for most planes if not coming off a carrier. If you stay out of these circles, or expect discovery once inside them, it helps with game play.

04-01-07, 12:06 PM	#1
ElAurens A-ganger Join Date: Mar 2007 Location: Ohio, USA Posts: 76 Downloads: 19 Uploads: 0	Kawanishi Type 97 (H6K) "Mavis" speed checked out good By measuring their flight paths on the map we have found that the Kawanishi Navy Type 97 Flying-boat (H6K), Allied code name "Mavis", is making about 350 to 400 mph in the game. According to the TAIC (Technical Air Intelligence Center) manual the Mavis has a top speed of 216mph at 6200 feet and an economical cruise speed of 145mph at 1500 feet. __________________ " And the sea shall grant each man new hope, as sleep brings dreams of home." Christopher Columbus

04-01-07, 12:10 PM	#2
tater Navy Seal Join Date: Mar 2007 Location: New Mexico, USA Posts: 9,023 Downloads: 8 Uploads: 2	There are 2 numbers for speed in the cfg, min and max. The min says 60, the max says 185. Anyone know what the units are? m/s? tater

04-01-07, 12:41 PM	#6
tater Navy Seal Join Date: Mar 2007 Location: New Mexico, USA Posts: 9,023 Downloads: 8 Uploads: 2	If it's knots, then the numbers are meaningless since as el aurens points out they demonstrably move at speeds far faster. I was hoping that a change in that number in the cfg file might drop their speed, but if it says 185 and they do 400, what would I change it to?

04-01-07, 01:17 PM	#7
John Channing Sea Lord Join Date: Sep 1998 Posts: 1,846 Downloads: 163 Uploads: 5	I understand the Subs in Falcon 5.0 can't go faster than 6 knots, but I have never checked. JCC

04-01-07, 01:39 PM	#8
BBury Torpedoman Join Date: Apr 2005 Location: Texas Posts: 118 Downloads: 7 Uploads: 0	One way to tell is to time them. If they cover more than 3.5nm in less than a minute they're going too fast.

04-01-07, 02:50 PM	#10
Charos Helmsman Join Date: Jan 2005 Location: Sydney, Australia Posts: 109 Downloads: 31 Uploads: 0	Here are some things to chew over: A link to H6K Data http://www.combinedfleet.com/ijna/h6k.htm Model H6K4 - 127 Units produced (most representitive of this AC) 184 kt at 4,000 m Maximum speed 120 kt at 4,000 m Cruising speed Max speed fits very well if we consider cfg figures in Knots. So at 184Knots the H6K can patrol 6,800 Km^2 per hour in SH4. And if this was at 120 Knots it would be only 4,400Km^2 per hour in SH4. These figures assume 20Km wide search path which is again in CFG file data. This AC has an endurance of approx 18Hrs. Which means in essence the H6K can patrol 42,480Km^2 MORE on one tank of fuel than it should be able to. Not only this but on an attack run where the AC is already at top speed upon initital approach to bombing its target the difference is: Distance to your submarine IE: Plane spotted long distance 8km range. Top speed: 5.6Km per minute 1 min 25 Seconds closure time. Cruise speed: 3.7Km per minute 2 Min 10 Seconds closure time. You should expect perhaps 20 seconds more time than we have as the enemy AC picks up speed from cruise upon attack.

04-01-07, 03:11 PM	#11
BBury Torpedoman Join Date: Apr 2005 Location: Texas Posts: 118 Downloads: 7 Uploads: 0	I did some ingame testing of the H6K and it's speed came out right. Sorry El, I didn't mean to lead you astray and certainly didn't expect you to post this. My fault. The speed of the H6K is good. I set the H6K at 1000m and 185kts (185/60= 3.08nm per minute). Once in the game I layed out a 3.1 nm circle around my boat. The plane took exactly 1 minute to cover the distance. This is the only plane I tested. Having said that, this is maximum speed. Do the planes in the game have the ability to cruise at thier maximum speed for thier maximum range? More testing is in order. I guess lay out a max range waypoint at max speed and see if it'll make it? Also, payload effects range. BB

04-01-07, 03:21 PM	#13
tater Navy Seal Join Date: Mar 2007 Location: New Mexico, USA Posts: 9,023 Downloads: 8 Uploads: 2	If the speed is right (max) then we could chenge the max value to the cruising speed I guess.