One HP.....how much power we can generate....!!??
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Anil Kadsur
Apr 8, 2015, 5:42:55 AM4/8/15
to Sharath Chandar
Bikers,
Off late i am just wondering how much power we can generate while cycling? Do you guys have some interesting links or infos? Today morning i did something decent i feel, not sure, how good it is (it is only for 43 seconds, on decathlon 'Mybike' ) 416 watts?
Some day i want to generate one Horse power for a minute, i have no clue is it realistic or is it possible or not, can someone here throw some more light on it? I would like to understand it more and also would like to know what exactly it takes to reach there?
very truly,
anil s kadsur,
Sanath Kumar S D
Apr 8, 2015, 5:48:16 AM4/8/15
to Anil Kadsur, Sharath Chandar
Hello Anil,
I hope this might help you . . . http://www.cyclingweekly.co.uk/fitness/training/the-importance-of-power-to-weight-and-how-to-improve-yours-164589#v5tVzEs7X8uCwmC6.01
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Sanath
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Ashok Kumar S
Apr 8, 2015, 7:34:13 AM4/8/15
to Anil Kadsur, Bangalore Bikers Club
One day, you want to become a horse?
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Opendro
Apr 8, 2015, 7:59:38 AM4/8/15
to bangalor...@googlegroups.com
Anil,
If you want to understand how your watt is being spent most, http://www.blog.ultracycle.net/2010/05/cycling-power-calculations gives all three scenarios: flat and slow, flat and fast, climb and slow.
However, if you want to increase your wattage, you must know the formula of pwer:
Power = force x speed.
Here force is the amount of force you leg applies on the pedal. Speed is the speed of your pedal, which is directly proportional to the crank arm length and cadence.
As you can see, you might be able to exert the maximum force on the pedal when the cadence is low and force drops gradually as the cadence increases. Since power is a product of the two, even an infinite amount of force will result in zero power if cadence is zero or an infinite cadence will produce zero power if force is zero. If you plot a graph of Power vs cadence, it will peak out at some cadence just like a power curve of an automotive engine. For human legs in good working condition, this peak power seems to be between 90 to 100 rpm.
Why am I explaining all these? As you can see, your crank arm is constant, your legs have a peak power rpm. So, the only thing that you can increase is your pedal force. But you cannot apply force unless there is a negative reaction. What it means is that you cannot apply full force, even if you had an infinite amount, on the pedal if the pedal does not resist (due to rolling resistance, drag resistance and gravity). Once your cadence peaks out at, say, 100 rpm, then you either have to increase the cadence to feel an increased resistance (caused by increased speed). But as you increase cadence, your force will drop and so will your power. This is when you shift up the gear so that the resisting force on the pedal will also increase without affecting the cadence.
Now you must have got it. You are very unlikely to achieve a good wattage even for a sec, forget 1 min, unless you have a torque converter, i.e. gear. Your legs may be capable, but other parameters don't allow you to achieve it.
If you want to understand how your watt is being spent most, http://www.blog.ultracycle.net/2010/05/cycling-power-calculations gives all three scenarios: flat and slow, flat and fast, climb and slow.
However, if you want to increase your wattage, you must know the formula of pwer:
Power = force x speed.
Here force is the amount of force you leg applies on the pedal. Speed is the speed of your pedal, which is directly proportional to the crank arm length and cadence.
As you can see, you might be able to exert the maximum force on the pedal when the cadence is low and force drops gradually as the cadence increases. Since power is a product of the two, even an infinite amount of force will result in zero power if cadence is zero or an infinite cadence will produce zero power if force is zero. If you plot a graph of Power vs cadence, it will peak out at some cadence just like a power curve of an automotive engine. For human legs in good working condition, this peak power seems to be between 90 to 100 rpm.
Why am I explaining all these? As you can see, your crank arm is constant, your legs have a peak power rpm. So, the only thing that you can increase is your pedal force. But you cannot apply force unless there is a negative reaction. What it means is that you cannot apply full force, even if you had an infinite amount, on the pedal if the pedal does not resist (due to rolling resistance, drag resistance and gravity). Once your cadence peaks out at, say, 100 rpm, then you either have to increase the cadence to feel an increased resistance (caused by increased speed). But as you increase cadence, your force will drop and so will your power. This is when you shift up the gear so that the resisting force on the pedal will also increase without affecting the cadence.
Now you must have got it. You are very unlikely to achieve a good wattage even for a sec, forget 1 min, unless you have a torque converter, i.e. gear. Your legs may be capable, but other parameters don't allow you to achieve it.
Anil Kadsur
Apr 8, 2015, 8:47:08 AM4/8/15
to Opendro, Sharath Chandar
Opendro,
wow, that makes lot of things clear for me, thank you so much for taking time to send that reply. yet to go through the link, will do it tonight.
@Sanath,
Thank you for the link too.
@Ashok,
hehehe......why not if i can generate that kind of power, i would like to have few KOM on my name.....hehehe.
This message is eligible for Automatic Cleanup! (Anil,
If you want to understand how your watt is being spent most, http://www.blog.ultracycle.net/2010/05/cycling-power-calculations gives all three scenarios: flat and slow, flat and fast, climb and slow.
However, if you want to increase your wattage, you must know the formula of pwer:
Power = force x speed.
Here force is the amount of force you leg applies on the pedal. Speed is the speed of your pedal, which is directly proportional to the crank arm length and cadence.
As you can see, you might be able to exert the maximum force on the pedal when the cadence is low and force drops gradually as the cadence increases. Since power is a product of the two, even an infinite amount of force will result in zero power if cadence is zero or an infinite cadence will produce zero power if force is zero. If you plot a graph of Power vs cadence, it will peak out at some cadence just like a power curve of an automotive engine. For human legs in good working condition, this peak power seems to be between 90 to 100 rpm.
Why am I explaining all these? As you can see, your crank arm is constant, your legs have a peak power rpm. So, the only thing that you can increase is your pedal force. But you cannot apply force unless there is a negative reaction. What it means is that you cannot apply full force, even if you had an infinite amount, on the pedal if the pedal does not resist (due to rolling resistance, drag resistance and gravity). Once your cadence peaks out at, say, 100 rpm, then you either have to increase the cadence to feel an increased resistance (caused by increased speed). But as you increase cadence, your force will drop and so will your power. This is when you shift up the gear so that the resisting force on the pedal will also increase without affecting the cadence.
Now you must have got it. You are very unlikely to achieve a good wattage even for a sec, forget 1 min, unless you have a torque converter, i.e. gear. Your legs may be capable, but other parameters don't allow you to achieve it.
On Wednesday, April 8, 2015 at 3:12:55 PM UTC+5:30, Truck driver wrote:
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Jayaprakash E
Apr 8, 2015, 11:28:37 AM4/8/15
to bangalor...@googlegroups.com
Anil, 0.5HP😆
Opendro
Apr 8, 2015, 11:56:22 AM4/8/15
to bangalor...@googlegroups.com
Anil needs two more legs to get one full horse power :)
On Wednesday, April 8, 2015 at 8:58:37 PM UTC+5:30, Jayaprakash E wrote:
On Wednesday, April 8, 2015 at 8:58:37 PM UTC+5:30, Jayaprakash E wrote:
Anil, 0.5HP😆
Pradeep Naidu
Apr 9, 2015, 2:44:09 AM4/9/15
to Thoudam Opendro Singh, Bangalore Bikers Club
And he needs an extension of one more very important thing to make him a real horse... :-P
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Hari Krishna
Apr 9, 2015, 2:54:43 AM4/9/15
to Pradeep Naidu, Thoudam Opendro Singh, Bangalore Bikers Club
Anil is now half a horse.
On Thu, Apr 9, 2015 at 2:44 AM, Pradeep Naidu <pradee...@gmail.com> wrote:
And he needs an extension of one more very important thing to make him a real horse... :-P
On 08-Apr-2015 9:26 pm, "Opendro" <ope...@gmail.com> wrote:
Anil needs two more legs to get one full horse power :)
On Wednesday, April 8, 2015 at 8:58:37 PM UTC+5:30, Jayaprakash E wrote:
Anil, 0.5HP
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biking conversations on the world famous "Bangalore Bikers Club" :)
are you a part of the bicycle racing scene?
Visit www.bangalorebicyclechampionships.com for more details
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Anil Kadsur
Apr 9, 2015, 4:17:47 AM4/9/15
to Opendro, Sharath Chandar
hehehe.....
when i am on bicycle it is complete 4 legs, including 2 wheels of bicycle.
On Wed, Apr 8, 2015 at 9:26 PM, Opendro <ope...@gmail.com> wrote:
Anil needs two more legs to get one full horse power :)
On Wednesday, April 8, 2015 at 8:58:37 PM UTC+5:30, Jayaprakash E wrote:
Anil, 0.5HP
Anil Kadsur
Apr 9, 2015, 5:00:39 AM4/9/15
to Prashanth Chengi, Hari Krishna, Opendro, Sharath Chandar
@Hari,
i do not know how it happened!?
@Prashanth,
that is good one.....hehehe......one has 'lakhs of power' and the other 'lacks power'
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