A tandem bike may be the ultimate for a family to have fun but there is more to it. There is a lot of science behind its design and functionality that has one too many health benefits as well. Studies show that riding a tandem bike improves physiological responses as compared to riding a single bicycle.Riding a tandem bike results in lower HR, RPE and LA mean values when it is compared with different velocities to that of a single bicycle. As per the statistics obtained through different studies the mean or SD for HR, RPE and LA for tandem and single bicycles were significantly different with the tandem bike surpassing the single bikes by miles
Values Of The Captain And The Stoker
There is no position difference between the captain at the front and the stoker in the rear when both works in tandem. Stokers usually have a significantly lower HR, LA and RPE values while riding the tandem bike when it is compared with the values of a single bicycle rider. However, there is no proof of any statistical differences between the captains of single and tandem bikes. When a captain rides a single bicycle, the HR, RPE and LA values are significantly lower than the stokers.These differences are all due to the lower physiological stress provided by the tandem bike while cycling at the same velocity as that of a single bicycle. It is also found that cyclists riding a tandem bike can ride 4.8 to 8.0 kilometers per hour faster than on a single bicycle when the physiological stress remaining constant. Apparently, the stokers add power to the output of tandem riding without adding to the wind resistance factor significantly.
Hindering Forces Are Prevented
While riding a bicycle air and rolling frictional resistances must be overcome along with the effect of gravity.When you ride on flat roads, this gravitational influence is eliminated virtually but the rolling resistance remains in a fairly constant manner. This affects riding irrespective of the velocity of the bike.Similarly, mechanical friction also adds to the total resistance factor though in a small amount.Air resistance is by far the major factor in cycling that demands a huge amount of energy expenditure to attain a desired cycling velocity. In fact, air resistance makes up to 80% of the total resistance.Such aerodynamic drag of about 56% to 75% of total resistance during cycling created due to air resistance increases when the velocity is squared or cubed. Therefore, as velocity increases a higher level of energy is used up to attain the desired speed.
Reason For High Demand
The reason for rise in demand of tandem bike rental is more than just a bicycle built for two and can be enumerated as:These bikes have almost half wind resistance as compared with two single bicyclesTandem riders usually use 20% less power for each rider than two different single bike riders cycling at the same speedThe stoker at the rear position usually is drafting off the captain at the frontThe stoker adds more power with minimal or no air resistance.
The Physiological Stress Factor Analysis
The demand for tandem cycling is growing by about 5% to 10% each year as per studies and it is all due to the physiological stress factor.Physiological stress is evaluated by the lactic acid and HR responses and by collecting heart rate at regular intervals.Perceived exertion rating is also considered while evaluation PS along with the blood sample at the fingertip to determine LA.All results and findings were compared after each interval to arrive at a conclusive and conducive decision.The design of the bicycle, the position as well as the velocity contributes to the findings. Studies are based on bicycle and velocity interaction for analyzing HR, LA and RPE data.Apart from that, position and bicycle interaction are also considered with emphasis on position analysis and within bicycle analysis of such a position.According to statistical significance, this is usually set up at p < 0.05.
Process To Adapt
You will need a kiddy crank, a bottom bracket. This will bolt to the seat tube under the saddle of the child. You will also need a child-sized chain set, an extra chain ring and a timing chain. All these will link the drive train to and the child’s chain with the loop.To get to the bottom bracket, you can saw up the old bike but the easiest way is to buy these components. Make sure that the components are no bigger than the child so that their legs do not spin like egg whisks.Add the chain ring to the right of the pilot chain set. However, if the timing chain is on the left, you will need a new single ring. However, the neatest option is to run the timing chain of your child to the left hand crank of the pilot or stoker.Apart from the chain, you must make sure that your child reaches to the handlebars. You may use a backswept stoker or a long stoker stem for such adaptation. Alternatively, you may use two pairs of drop handlebars and two broom handles, an extra stoker stem and enough handlebar tape. Fit one drop bar upside down pointing backward and the other pointing back from the seat. As your child grows, change the position of the kiddy crank.
Adapting To The Bike
The results of such studies have made tandem bikes popular and thereby rise in the demand of tandem bike rental. People are fast adapting to tandem bicycle riding with their family. The bike manufacturers are also coming up with better designs. You do not have to worry if you have bought an adult tandem bike if you have a child in your family. Child back tandem is not the only option available to you now. You can have adjustable pedals in which the pedals to be raised to reach up to your child. This is an easy DIY process provided you have enough mechanical competence. If you lack it, then your local bike shop can help you with that.
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