Ship Simulator
English forum => Ship Simulator 2008 => Media => Topic started by: seegurke on September 13, 2007, 09:38:07
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I made a small video of how to emergency brake the hovercraft. Have fun ;)
http://youtube.com/watch?v=XQEpU4T-X6A (http://youtube.com/watch?v=XQEpU4T-X6A)
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Hey, looks great!!! Inspired by the Blues Brothers way of parking a car ;D
Seams to be a useful manoeuvre without passengers aboard, guess?
Cheers
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Of course this is useful... but why only without passengers? ;D
Just thought that it might be even better or faster with use of the rotatable exhaust-pipes. Because as you can see in the video it takes some time until the hovercraft really begins to turn quickly. But nevertheless I don't know a faster way to stop this vehicle on water.
Next challenge is to drive backwards and than turn quickly 180° to drive forwards in same direction. Have to test if that may work.
EDIT: No, that doesn't work. The Hovercraft is too slow when travelling backwards. Only 8,5kn...
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Nice video, and nice hovercraft handling too! :D
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There was an emergency with an old Dover-Calais hovercraft and they deflated the skirt- that brought its speed down quickly. I imagine that did a fair bit of damage to both the hull and the passengers though!
Anyone know if thats a normal emergency procedure or whether that was a result of some other problem?
Stu
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There was an emergency with an old Dover-Calais hovercraft and they deflated the skirt- that brought its speed down quickly. I imagine that did a fair bit of damage to both the hull and the passengers though!
Anyone know if thats a normal emergency procedure or whether that was a result of some other problem?
Stu
I wouldn't have thought that it would have done too much damage to the hull as it's simply just water.
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If you were to jump out of a fast moving boat and hit the water... ouch!
Water can still do a lot of damage if you hit it fast enough... Remember that the English Channel isn't always that smooth.
Stu
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If you were to jump out of a fast moving boat and hit the water... ouch!
Water can still do a lot of damage if you hit it fast enough... Remember that the English Channel isn't always that smooth.
Stu
True but I think that the way hovercrafts are designed means that it floats like a boat and also generally hovercrafts tend to tilt at the back which means when they slow down when the rear of the craft hits the water first meaning it slows down before the front end hits the water.
I have no idea how hovercrafts are built so please don't think I know what I'm going on about. I'm simply expressing my thoughts ;)
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Neither do I... but if any two objects impact at too high a speed, there is bound to be some effect... Maybe if this is a recognised emergency procedure, they are designed for it?
If it is floating, then suddenly NOT floating... Again, I don't really know either. I wonder how quickly the reverse thust takes effect anyway...
Simple plan. I'm going to pompey next month... will just have to take a trip on the hovercraft first and see for myself :D
Stu
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Good idea. I think the the way most hover craft slow down is that they turn the thrusters or propellers in the opposite direct to create a reverse thrust effect. The propellers do not actually stop and turn the other way. Most of the time the propellers on larger craft take about 2 minutes to get to full speed so you have roughly a total time of about 5 mins for the propellers to stop, then turn the other way which is not good in emergencies.
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I don't know how they do an emergency stop in real, in the video it was just an idea. But I'm quite sure, that a hovercraft don't take any damage when the skirt deflates.
Is it right, that the hovercraft modelled in Shipsim hasn't got a reverse thrust in real? As I get the feeling in the game, you can only travel backwards with these rotatable exhaust-pipes and not with the main engines...
With special propellers it's possible to generate reverse thrust while changing the pitch. But then the hovercraft in game would go faster than 8kn backwards.
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I don't know how they do an emergency stop in real, in the video it was just an idea. But I'm quite sure, that a hovercraft don't take any damage when the skirt deflates.
Is it right, that the hovercraft modelled in Shipsim hasn't got a reverse thrust in real? As I get the feeling in the game, you can only travel backwards with these rotatable exhaust-pipes and not with the main engines...
With special propellers it's possible to generate reverse thrust while changing the pitch. But then the hovercraft in game would go faster than 8kn backwards.
No there is no reverse thrust option on the Hover craft in ship sim. In order to create the effect you must rotate the exhuast pipes in the opposite direct to stop this.
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changing the pitch of the blade (feathering) can allow the pitch to change enough to give reverse thrust- just look at CPP units on ships- same principle.
The photos of the real hover travel craft DO show the reverse thrust pipes... I doub't their output is anything fantastic though and is really used only for manouvering.
IIRC on the large Dover-Calais they had reversible propellor pitch, but you are right that the drive shaft will always keep going one way only... Therefore it won't take 5 mins to reverse the propellor pitch- so in the case of these propellors it would take seconds.
I wouldn't want to argue about engine acceleration. It may take 2 mins for the craft to accelerate, but I suspect you are talking in the order of 5-6 seconds for the engines to reach RPM.
Normal deflation of the skirt won't cause damage- of course not- but at 50kts???
Stu
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There was an emergency with an old Dover-Calais hovercraft and they deflated the skirt- that brought its speed down quickly. I imagine that did a fair bit of damage to both the hull and the passengers though!
Anyone know if thats a normal emergency procedure or whether that was a result of some other problem?
Stu
Have asked a friend who was co-pilot on the dover hovercraft and here is his reply.
Yes, it is a standard emergency procedure, it does not damage the hull, but usually ruins the skirt and scares the bejaisus out of the passengers.
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That's interesting. Has anyone tested this procedure in ShipSim?
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That's interesting. Has anyone tested this procedure in ShipSim?
Yes. The craft slows down very quickly indeed. Takes about 5-7 seconds to stop from full power.
I can't seem to sink the Hovercraft either :-\
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Thanks clanky. That's what I thought... Not a routine method but a genuine emergency last resort
Capt S: A sure fire way of sinking the hovercraft... Spend hours completing a mission (DO NOT use save feature and right at the end, make a silly mistake... guaranteed to make it sink ;)
Stu
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Thanks clanky. That's what I thought... Not a routine method but a genuine emergency last resort
Capt S: A sure fire way of sinking the hovercraft... Spend hours completing a mission (DO NOT use save feature and right at the end, make a silly mistake... guaranteed to make it sink ;)
Stu
lol ohh dear. Mind you, I was speaking for when I had the BETA patch installed so maybe VSTEP has updated it now ;)
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Yes. The craft slows down very quickly indeed. Takes about 5-7 seconds to stop from full power.
But I will still brake with my technique, that's definitly more fun ;D :P
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It handles just like driving a truck on ice!
Stu
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I've not been around for a while on this forum, at least not very much, can someone fill me in on the deal with this hovercraft?
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We're discussing the video made by the topic starter (which is fun, i've tried it) and the conversation has moved on to real emergency stop procedures by hovercrafts.
Stu
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Yes thank you Stu I gathered that much. ;) :D What I mean is how did the user get the hovercraft, has it been released or is this a beta or something?
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Ah... right... You REALY haven't been around much.
There's a patch now (1.1) that fixes the bugs and gives quite a few new features (example: the much requested on/off switch for engines- so you can have hours of fun switching them on and off).
The patch also includes a jetski and hovercraft. Can't tell you about the jetski but the hovercraft is really quite good fun.
The download link is in tech support. Have fun
Stu
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Thank you! That's brilliant news.
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There was an emergency with an old Dover-Calais hovercraft and they deflated the skirt- that brought its speed down quickly. I imagine that did a fair bit of damage to both the hull and the passengers though!
Anyone know if thats a normal emergency procedure or whether that was a result of some other problem?
Stu
Wouldn't that also shred, or even rip the skirt off of the craft?
If you were to jump out of a fast moving boat and hit the water... ouch!
Water can still do a lot of damage if you hit it fast enough... Remember that the English Channel isn't always that smooth.
Stu
I was on a baja boat (which is a high-performance speed boat) and I decided to stand up after being told not to... Bad idea.
Just to answer any questions:
Water Skiing: 25 - 45 MPH/40 - 72 KPH (Feels like hitting...water)
Baja Boat 75 - 85 MPH/120 - 136 KPH (Feels like hitting concrete)
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nice video / trik
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nice video / trik
if i was a passenger i would have been very sick