The Observer

The Observer

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Recent contributions

  1. Replied #Threads

    SpaceX ‘Grasshopper’ Rocket Launches to Record Height—Then Lands

    It is indeed breathtaking to achieve that 😀

  2. Replied #Threads

    Reusable rockets? double the fuel ?

    SarathKumar ChandrasekaranIS this video real?Can a rocket really land like this from where it had started its flight?(I am not a scientist so please forgive if...

  3. Replied #Threads

    How does the sun cause heat on our bodies?

    ianoopYes, light consist photon but sun rays consist radiation too which is not visible via necked eyes. Ultra voilet + infrared. Thank to Ozon layer which...

  4. Replied #Threads

    How does the sun cause heat on our bodies?

    ianoopApart from light source there are two more factor come with sun light/ Ultra-violet rays + infrared. Ultra-violet makes sun rays hotter and is main reason...

  5. Replied #Threads

    How does the sun cause heat on our bodies?

    so you mean the light reflected by the moon is of such less intensity that it doesn't have enough IR radiation with it for producing some...

  6. Posted #Threads

    Reusable rockets? double the fuel ?

    Just hopped across this SpaceX's Grasshopper video which made another feat this month. Is it good (or i would prefer the word feasible to introduce re-usable...

    2 replies
  7. Replied #Threads

    Why don't trucks have aerodynamic front like cars?

    But it does save cost for long highway hauls by giving less drag and hence maybe a noteworthy extra mileage .

  8. Posted #Threads

    How does the sun cause heat on our bodies?

    Hello, I felt this question relates a lot of radiative heat transfer and hence i'm posting it here. Actually came up during the moonlit night yesterday....

    13 replies
  9. Replied #Threads

    How To Present Yourself In Seminar

    I do this stuff sometimes.You just need to catch the audience off-its-brain. make them excited and cover up different angles of your topic.

  10. Replied #Threads

    Can Air Act As "Ground" For Electrical Circuits?

    Yeah Got it. Are these the tips that we're talking about? Hope they are visible

  11. Replied #Threads

    Can Air Act As "Ground" For Electrical Circuits?

    I guess i noticed some of those tips recently and clicked it on my mobile at an airbase. Lemme get back with a pic or 2...

  12. Replied #Threads

    Rolling friction and lift in airplanes

    SarathKumar ChandrasekaranFriction may be explained if we consider it as Resistence . So if there is a presence of friction , there has to be more...

  13. Replied #Threads

    Rolling friction and lift in airplanes

    A.V.RamaniAny wheel friction will only mean that more fuel is used to attain take off velocity at the prevalent conditions of altitude, temperature, air density and...

  14. Replied #Threads

    Which is better? A project in drum brake or disk brake?

    Hi, I guess it would be better to do it on a drum brake and improvise on its disadvantages. That way, you'll be able to better...

  15. Replied #Threads

    Which is better? A project in drum brake or disk brake?

    Hi, I guess it would be better to do it on a drum brake and improvise on its disadvantages. That way, you'll be able to better...

  16. Posted #Threads

    Rolling friction and lift in airplanes

    Hello, I need some enlightenment on this question that am not clearly able to think about in the last few hours so. I believe someone here...

    4 replies
  17. Replied #Threads

    Do automobiles (car,bike,bus,train) require earthing?

    Well, thats' a good question. Earthing in automobiles is usually done on the chassis. It doesn't necessarily have to be the earth to ground always. There's...

  18. Replied #Threads

    How to calculte centre of gravity using theoretical way

    Theoretically.. it is done using front and rear axles loads. Am not much sure. Did that long back.

  19. Replied #Threads

    Is Wankel engine suitable for bikes?

    Wankel is that rotary engine right? it was used in some car. Search for that. i hope it'll help you delve into the details you need.

  20. Replied #Threads

    Have we made a mistake by writing bicycles off from our life?

    CSK AUTOYes I had stumbled on to the following website #-Link-Snipped-# Where I had read thae top ten innovations of bicycle.Yes we have forgotten the classy...

  21. Replied #Threads

    How to save plane from lightning

    there are lightning spikes on the wing of every aircraft at the trailing edge to prevent that 😀

  22. Replied #Threads

    RFID, Carbon Fiber Frames and Battery Sensors - Big 3 Aviation Advance of the Year

    A.V.RamaniThey do not seem to have much to do with aviation. However, RFID Tags, Carbon Fiber Frames and Battery status Sensors are slated to change the...

  23. Replied #Threads

    Cockpit 'Voice' Recorder, And Not Cockpit 'Video' Recorder In Aircrafts. Any Scientific Reason?

    well.. the question you've asked is good. but one obvious reason would be to have enough space in the recording device. I guess they use highly...

  24. Replied #Threads

    Vehicles and Air Friction

    Anand TamariyaWhat's the top (design) speed of maruti omni?i've never seen an omni go above 20kmph. except when in movies when the criminals use them 😛

  25. Replied #Threads

    Steam Turbine Suppliers

    Hugh HodkinsonI did and they provided a quote. Also Mechanology and Verdesis.Thats cool ! have a Happy working on ur task !

  26. Replied #Threads

    Nitro boost and super cars

    i read it in a book of automobile engineering authored by some "Gupta" guy about 3 years back.. it was used during WW-2.. have a wikipedia...

  27. Replied #Threads

    Man of steel ? do you think superman could be stronger :/

    yeah.. decide on the name too.. and it shouldn't be plastic man 😛

  28. Replied #Threads

    Steam Turbine Suppliers

    Hugh HodkinsonI'm looking at the possibility of reusing waste heat to generate steam and drive a turbine to generate electricity. The application will be in the...

  29. Replied #Threads

    Nitro boost and super cars

    But did you people know .. before the actual fuels came.. Carbon monoxide was used as the fuel for quite some years 😉 ??

  30. Replied #Threads

    Man of steel ? do you think superman could be stronger :/

    yes #-Link-Snipped-#..thats a good reasoning 😀 however, Titanium is the best for its strength.. also mixed with steel to make it stronger to resist impact. It...

  31. Replied #Threads

    Dark matter and dark energy

    well.. this is my guess.. maybe wrong..dark matter can be thought of matter that can eat up light. Has enormous energy to suck in stars and...

  32. Replied #Threads

    Man of steel ? do you think superman could be stronger :/

    well thats a nice one #-Link-Snipped-#..but it doesn't hold in the long run. once cracked.. it doesn't give a good time. it jus fractures too well....

  33. Replied #Threads

    Rocket propulsion

    atul-namdeocan anyone please tell what are the affecting factors on rocket propulsion and what is its need, & advantages and disadvantages of rocket propulsion??well..newton's 3rd...

  34. Replied #Threads

    HTC One - The Android With A Difference, Launched In India At Rs. 42,900/-

    Kaustubh KatdareIf my guess is right, HTC is a sinking ship. They don't yet have a blockbuster phone. The HTC ONE may look promising but I...

  35. Replied #Threads

    HTC One - The Android With A Difference, Launched In India At Rs. 42,900/-

    just awesome 😀 luv HTC already .

  36. Replied #Threads

    Steam Turbine Suppliers

    mm.. most of the companies are bulk producers i suppose. the application you need is not usual for them. Still try it in some science instruments...

  37. Replied #Threads

    Man of steel ? do you think superman could be stronger :/

    yes. but then imagine the fate of iron man. He's gonna rust i guess. 😕

  38. Posted #Threads

    Man of steel ? do you think superman could be stronger :/

    With the induction of Aluminum alloys and Titanium.. what do you think?? could superman be stronger if he did not have the 'steel' stuff in him?...

    10 replies
  39. Replied #Threads

    High Lift, Low Drag Wings - NASA aims to have the Cake and eat it too

    well the pic shows a design similar to the general swept-back configuration. The other illustration is pretty good.. but the slats had that boundary layer forming...

  40. Replied #Threads

    FUNCTIONS OF CLEAT

    As far as i know..Shear cleats are commonly found in the airplane wing. they are basically 2 plates perpendicular to each other.. and one end connects...

  41. Replied #Threads

    I.C engines at rest

    when it is kick started....i guess it is at the BDC when the kick lever is on its top. When u give it a downward push,...

  42. Replied #Threads

    Why not replace 8 cylinders in engine with one cylinder of same displacement?

    do not forget the vibrations it would cause. May feel like a horse ride i suppose. the casing would also get heavy cuz of the energy...

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