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Nairaland Forum / Nairaland / General / Car Talk / Pumping Our Tyres At The Roadside During High Humidity; Any Risks? (7650 Views)
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Re: Pumping Our Tyres At The Roadside During High Humidity; Any Risks? by adanny01(m): 10:13am On May 15, 2016 |
ogawisdom: It matters a lot. Do what the car manufacturer says. In my case as shown in the picture above, my car says cold and that is preferable in the morning. What i have said before is for those who guage their tires 40psi flat. If they do that in the morning, then its dangerous since the temperature will go higher when the tire gets hot. As shown below, my car tire has a maximum pressure rating of 44psi. If i inflate in the morning to 40psi and by after noon because of temperature it gets to 45psi, that will be over the max from there it is susceptible to exploding. There are some guages that are wrongly calibrated or the vulcanizer may not be very accurate then pumps 45 or 50psi actually. That will be really dangerous since hot temperature could get the pressure to 50-55psi.
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Re: Pumping Our Tyres At The Roadside During High Humidity; Any Risks? by Nobody: 9:08pm On May 15, 2016 |
anigbajumo:. Hot air expands/tends to expand in a system be it close or open. Only in an open system it expands n relieves pressure whereas in a closed system it expand n burst the walls of the system depending on the amount of pressure buildup or the strength of wall. Bck to the topic moisture in tyre will only become dangerous after 373K,albeit depending the volume of moisture or tyre. Steam expands sporadically beyond 373K, this's always been a threat to boilers |
Re: Pumping Our Tyres At The Roadside During High Humidity; Any Risks? by Kashif(m): 9:25pm On May 15, 2016 |
anigbajumo: I am not carrying out any research; just stated my observation. Thanks for your response; good to hear the risk is negligible. |
Re: Pumping Our Tyres At The Roadside During High Humidity; Any Risks? by Kashif(m): 9:28pm On May 15, 2016 |
Most responses say there is no risk. Let's hope it is strictly true. Maybe I should care less now. |
Re: Pumping Our Tyres At The Roadside During High Humidity; Any Risks? by DaimlerBen(m): 9:39am On May 22, 2016 |
adanny01:Tyres do change volume. That's why we "inflate" and not panelbeat them. |
Re: Pumping Our Tyres At The Roadside During High Humidity; Any Risks? by adanny01(m): 7:17pm On May 22, 2016 |
DaimlerBen: Totally wrong there. A balloon changes volume but a tire cannot change in volume. If a tire changes volume it will go flat under the weight of the car just like a balloon would. Tire changes shape not volume and a balloon changes both shape and volume. A balloon can be 5cm but inflated to 50cm but a 5cm tire remains a 5cm tire no matter the pressure. 1 Like |
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