General Towing Data
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General Towing Data
I have put together several threads in a forum of mine covering towing and some may be of interest. (it covers all brands and it does not play favorites)
Click Here
I also have a axle ratio and tire size calculator posted at link below and feel free to use it as much as you want with no strings.
Click Here
Click Here
I also have a axle ratio and tire size calculator posted at link below and feel free to use it as much as you want with no strings.
Click Here
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Originally Posted by SLE
Very Interesting Snowman. One question is why you used the HP/lbs of weight being towed instead of torque/lbs of weight ebing towed?
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From: North Dakota
What I was getting at more, is the poeple that really look at a towing engine look for torque and at what RPM. It would also simplify things removing the HP calculation. Also why wouldn't torque work since HP is nothing more than a dirivitive of torque and RPMs? I also Realize that HP has the time factor where torque is has no time factor but is a direct measurement of rotational force. Sorry I guess I just ansewered my own question.
Curiously, since you seem to be quite knowlageble about the calculations, how to use them, and how to apply them; are you by chance and Engineer? Just wondering since the only people that I've ever been able to talk techinally to about this type of stuff is other engineers?
Curiously, since you seem to be quite knowlageble about the calculations, how to use them, and how to apply them; are you by chance and Engineer? Just wondering since the only people that I've ever been able to talk techinally to about this type of stuff is other engineers?
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Originally Posted by SLE
What I was getting at more, is the poeple that really look at a towing engine look for torque and at what RPM. It would also simplify things removing the HP calculation. Also why wouldn't torque work since HP is nothing more than a dirivitive of torque and RPMs? I also Realize that HP has the time factor where torque is has no time factor but is a direct measurement of rotational force. Sorry I guess I just ansewered my own question.
Curiously, since you seem to be quite knowlageble about the calculations, how to use them, and how to apply them; are you by chance and Engineer? Just wondering since the only people that I've ever been able to talk techinally to about this type of stuff is other engineers?
Curiously, since you seem to be quite knowlageble about the calculations, how to use them, and how to apply them; are you by chance and Engineer? Just wondering since the only people that I've ever been able to talk techinally to about this type of stuff is other engineers?
Also, I am a engineer (elect&mech) but I do not advertise it. I always likely working with numbers to solve things and on day I just started doing these charts and some are quite popular. I need to have another creative streak with them.
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From: North Dakota
Alright snowman, give me a few calcs base on my weights, (I'm working right now so I don't have time). I run an 03' V10 325HP/425Ftlbs, I don't know the rpm but I think you have it listed some where. Diveline I have the 4R100 with 3.73s. I run 75/285/16s which are roughly 33"tall 11.5"wide. I grossed a combined wieght of a hair under 17k on labor day (on the scale) with the boat and camper. I run 60-70 depending on sidewind and if I hooked up the antisway bar. The truck tows it great. Hills that resemble a 8-10% grade require me to use 2nd at which point I can accelerate up the hill but in 3rd I lose 5-7mph (there no real long hills, maybe 1/2 - 3/4 mile). I've also came to the conclusion that it tow better at 70-75 than at 60 which is a direct result of me being closer to my torque/Hp peak in the Rpm band. alright what can you come up with for a two rating for me?
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Originally Posted by SLE
Alright snowman, give me a few calcs base on my weights, (I'm working right now so I don't have time). I run an 03' V10 325HP/425Ftlbs, I don't know the rpm but I think you have it listed some where. Diveline I have the 4R100 with 3.73s. I run 75/285/16s which are roughly 33"tall 11.5"wide. I grossed a combined wieght of a hair under 17k on labor day (on the scale) with the boat and camper. I run 60-70 depending on sidewind and if I hooked up the antisway bar. The truck tows it great. Hills that resemble a 8-10% grade require me to use 2nd at which point I can accelerate up the hill but in 3rd I lose 5-7mph (there no real long hills, maybe 1/2 - 3/4 mile). I've also came to the conclusion that it tow better at 70-75 than at 60 which is a direct result of me being closer to my torque/Hp peak in the Rpm band. alright what can you come up with for a two rating for me?
Last edited by The SnoMan; Nov 11, 2005 at 04:26 PM.
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From: North Dakota
You don't need to tell me that, lol. If The wifey would alow me to go spend $1500-$1800 on the truck it would've had 4.30s many moons ago. I do have to say that even for 3.73s it pulls real strong and will tow fast enough to either get me a speeding ticket or and ins. claim for wrecking the whole setup, lol. Like I stated before I do need 2nd on two hills but in both instances I can accelerate up the hills after I've downshifted. You have to remember that I live in ND so I'm only towing in hills and not moutains although it's not nearly as flat as many think it is (with the exception of the eastern side of the state, thats about as flat as a board, I could probably tow 20k with a 300 six and hold my speed over there).
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Originally Posted by SLE
You don't need to tell me that, lol. If The wifey would alow me to go spend $1500-$1800 on the truck it would've had 4.30s many moons ago. I do have to say that even for 3.73s it pulls real strong and will tow fast enough to either get me a speeding ticket or and ins. claim for wrecking the whole setup, lol. Like I stated before I do need 2nd on two hills but in both instances I can accelerate up the hills after I've downshifted. You have to remember that I live in ND so I'm only towing in hills and not moutains although it's not nearly as flat as many think it is (with the exception of the eastern side of the state, thats about as flat as a board, I could probably tow 20k with a 300 six and hold my speed over there).
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May 11, 2005 10:53 PM