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Messages - Hawk

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Physics / Re: Motorcycle Physics and how they work......
« on: December 22, 2013, 10:06:10 PM »
Still have to read the first link, but the second one (feet first) is garbage: it contains some big errors (as pointed out by a comment at the bottom of the page). Avoid.

If somebody is into some detailed explanation of motorcycle physics, probably the biggest reference around is this book :

I have it and I've read it at least 3 times. Author is an italian university professor (Padova) specialized on motorbikes, he's worldwide known.

Caution though, it's a bit technical: you'll need some decent physics/mechanics knowledge to understand everything (but you can still grasp a lot of stuff even without).


Thanks for that, Max.... I'll delete that crap link so know one gets wrong information. ;)

Anywhere on the net were that book "Motorcycle Dynamics" can be downloaded in PDF?

Media / Re: Livestream
« on: December 22, 2013, 08:29:02 PM »
I'll change the music only if you have a better time Hawk_UK and Hany  ;D
My best time on Victoria
I'm not good on 4 stroke machines... Some would say I'm not good on 2 strokes either. LOL

But anyway... show me your 500cc time and I'll have a go at beating you.  :P ;D

Push Steering - Apparently used to change direction quickly at speed on a motorcycle - Could be handy for taking chicanes at high speed....

I wonder if this could be implemented into GP Bikes? Hehe :P ;D

Physics / Motorcycle Physics and how they work......
« on: December 22, 2013, 07:00:29 PM »
I just found this forum which has a lot of reading about the physics of motorcycles and how they steer and turn, etc, etc.... VERY interesting reading! ;D

Thought it might be of help or use to modders?

Other finds on the net concerning Motorcycle Physics:

Media / Re: Livestream
« on: December 22, 2013, 06:34:01 PM »
My GOD! What is that awful crap music your playing in that clip. LOL :P ;D

No, seriously. I've mentioned about live broadcasts before in the old forum. I think it would be BRILLIANT to live broadcast races in future, but for now I think we need to get a stable GP Bikes to it's final release before we can seriously consider live broadcasts. But I think it's good to keep Piboso aware that this is an ability we want for the future so if any programming is required to enable this possiblility then he can implement any code necessary. :)

Media / Re: GP Bikes vs Real life
« on: December 22, 2013, 04:48:31 PM »
One thing I like of the 125 + Victoria is when you (on the 125) blaze past some (likely inexperienced) rider on a 990 on the 1st turn ... priceless :)


That I would like to see!! Hehe!! ;D ;D

Racing / Re: Cold Turkey Slaughter
« on: December 22, 2013, 04:45:39 PM »
Me riding a 1000cc bike? This is sacrilege!! Hehe ;D

Why not... It's Christmas! I'm in Peter! ;D

Suggestions and wishlist / Garage - Gear Tooth Options
« on: December 22, 2013, 02:03:05 PM »
Any chance of allowing a wider range of gear tooth options? Especially for 1st and 2nd gearing. The present options may work perfectly well for the MotoGP 1000cc bikes, but the GP500 bikes and the GP125 bikes could do with a wider range of gear tooth options to gear the hairpins and slow corners to an optimal level. Slipping the clutch should only be requires to bring the 2 stroke engine up to speed in a slow corner if gearing for a slow corner would be a disadvantage for gearing the other corners on the circuit your riding on. :)

General Discussion / Re: GP Bikes beta4b
« on: December 22, 2013, 01:53:08 PM »
Very odd!

Can you confirm that the bike is Varese 500, that you are on full lean, that full throttle is applied in the powerband (entra in coppia?)and it still won't slide? If so can you tell us which track, which corner you cant slide it so we can try it as well.  Also, please post a quick video of this?

ok now I tried again and focusing on this, yes you are right, when there is the "bang" entering in the powerband and lean is at max, the rear wheel is lost

maybe if I can't do some things with this bike, the fault is my little skill, I'll training again with this bike

the track is victoria and 20 degrees

thanks for answering

Just remember we are still in beta, and the gearbox physics still need to be sorted out yet, for all bikes I believe? Until gearbox physics are final there is no point in making judgments against real life physics. We just have to make do with what we have until it's sorted :)

Bikes / Re: Wind Screens.
« on: December 21, 2013, 12:18:21 PM »
I have a request to all the MOD bike builders. Keep going! :D

My second request is I only ride in helmet view and a lot of the bikes the inside of the wind screen is very reflective which on a lot of tracks is makes it very hard to see what is in front of you when tucked in. Since all you see is the tarmac reflecting back at you. Maybe not so reflective? The default 990 or the Ducati GP8 handle it well when tucked in you can see fine.

If the bike windscreen was created one sided then it would be difficult to reduce the reflective properties on the inside of the windscreen and also keep the reflective properties on the outside of the windscreen.
However, if the windscreen was created 2 sided then it should be easy to matt-off the inner windscreen material to a preferred level.

Note: I have no idea if the windscreen is 2 sided or not in the 3D model. Though I suspect it is not.

Tracks / Re: Mugello Beta1 by SaintWest
« on: December 21, 2013, 11:03:08 AM »
Your version of Mugello Saintwest is really very very nice to ride on, I'd say equal to Victoria for track rideability, and I'm excited to see the final version when everything else has been added and tweeked to perfection! ;D

Brilliant job so far, Saintwest!... Hope final version is released very soon! 8) ;D ;D

Suggestions and wishlist / Re: Leathers Selection.
« on: December 21, 2013, 10:53:01 AM »
Sounds good to me, but I have to admit it has 2 drawbacks:
  • When you load a paint of, let's say, marquez honda 2013, you will have to manually select, on top of the bike paint, the rider suit and the helmet. Could be solved if a bike paint would also specify its default rider suit and helmet.
  • 2 weeks after the independent suit is implemented, somebody is gonna ask for independent boots, gloves and rider eyes :) :)


Hi Max!

As you stated in (1) A good addition to this idea of leather selection.

(2) That made me laugh so much. Hahaha! But you are more than likely very correct in your presumption. LOL ;D ;D

Bug Reports / Re: Close Quarter Engine Sound Drowning
« on: December 21, 2013, 09:03:22 AM »
Max, I do have track experience, and I can tell you now that the sound of another bike riding near you is there(You can hear other bikes close or next to you), but it is at a much lower tone than your own engine revs. In other words you should always be able to hear your own engine at all times no matter how close another bike is to you, and in GP Bikes you cannot hear your own engine revs when another bike is next to you. This is wrong in a big way and needs making a high priority to be sorted out, but not as high a priority as the core.exe problem of course :)

well put Hawk.... I have tried to promote this issue since the old forum - not much changed yet unfortunately  :-\

another reason for drastically being able to distinguish your engine from other bike's engine is motor vibrations that are being transfered via the bike frame into your arms and butt... AND the fact that sound pressure falls off to half with every duplication of the distance --> e.g. distance of my engine/exhaust from my ear: 0,5m VERSUS distance of another rider's bike from me:2m -->  so sound pressure is at 1/4... so one would have the feeling that the noise of the other bike is only 0.25x of one's own bike and therefore clearly distinguishable  ;)

so a way of either adjusting other sound sources or implementing a slider would be very helpful and indeed be more realistic...

Hi Stout!

Thank you for your support on this subject... You obviously fully understand the realities of how important onboard and ambient engine sound and vibration is to the rider in order to race a bike to the best of a riders ability. It's good to know that there are others who understand the importance of this problem, and support a well intentioned change in the name of realism for GP Bikes.

Thanks Stout! ;D

Suggestions and wishlist / Re: Leathers Selection.
« on: December 21, 2013, 08:50:32 AM »
With Beta 4 we have a option for Helmet and Helmet Paint separate from the bike. I was wondering if in a future version if we could have a racing leathers selection separate from the bike also? So when I am riding around on different bikes I can have my rider using my personal leathers design?

Plus being able to choose different character models for different types of leathers.

A function to be able to keep your personal leather design as you stated, Klax, would be a great idea, mate! I've often wanted to keep my helmet design and leathers but at the same time try out a different bike.

We now have the helmet choice function in beta4b, and I agree with you, now we need the same function for the leathers.

Great idea, Klax! ;D

Bug Reports / Re: Close Quarter Engine Sound Drowning
« on: December 20, 2013, 11:05:19 PM »
OK Hawk, thanks. All I needed to know :)

Then I'd guess that a proper fix to lower it to realistic levels is better than a slider that allows everybody to play with it.


A proper fix would be best, but a slider I feel would be good too unless there is a foreseeable problem with allowing the user to alter the ambient engine sound levels to rider preferences?

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