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Type: Posts; User: Loz

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  1. Replies
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    The product is a good adhesive, it sounds like...

    The product is a good adhesive, it sounds like your process could do with better technical execution.

    I've tested the 9340 (pull out shear tests) achieving close 15 MPa shear strength (~0.5" diam....
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    Christian Looks extremely similar to the beam...

    Christian

    Looks extremely similar to the beam axle on the front of the 2010 ADFA car. Although, the ADFA car used a pair of leading arms converging at the centreline under the vehicle.
    ...
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    These Drexler diff's have 6 possible ramp...

    These Drexler diff's have 6 possible ramp configurations for each orientation of the diff. It is possible to achieve all 6 configurations any each orientation (sprocket left or right).

    If there...
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    Jay A few things to note. I would guess...

    Jay

    A few things to note.

    I would guess that to enable general discussion, the sketch is an adapted version of Ralph's system which includes ISA's drawn at more convenient locations (i.e....
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    Clarity and ambiguity are out the window with the...

    Clarity and ambiguity are out the window with the hugely subjective aerodynamic structural requirements rule.

    The undefined, completely subjective and ambiguous components are in bold.


    ...
  6. I agree and and share the concerns. It is...

    I agree and and share the concerns. It is apparent everyday that the culture of modern day problem solving continues is trending towards methods which are highly conducive to impeding the the process...
  7. Critique of the critique of the critical phase/s

    Geoff/Others

    In defence of the "critical/fault-finding" or analytical phase/s of the engineering process, it is important that the contribution of critical/analytical phases be recognised to occur...
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    Ralph I have seen far worse, less "rough"...

    Ralph

    I have seen far worse, less "rough" sketches than that. I would say it is quite reasonable actually.



    They key here is the approximately horizontal-lateral line which isn't actually...
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    Semantically, but pertinent to your description,...

    Semantically, but pertinent to your description, in a geometric description, a point is a zero-dimensional vector and cannot rotate.
    So the contact patch point originally at the ground cannot...
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    This can still be done on a drawing board and in...

    This can still be done on a drawing board and in 2D views. BUT, it is necessary to also include a top view and rear view with many projection lines, kinematic paths and Euclidian geometrical...
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    That question is a little confusing.. ...

    That question is a little confusing..

    Steering, steered angle, under/oversteer etc. are all relative terms used to describe a change in orientation of the wheel. Through connection to the wheel,...
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    With regards to the question of why miles not...

    With regards to the question of why miles not hours , it should be clear that both measures are hugely important. Of course, when combined they give the measure that dictates which vehicle wins a...
  13. Thread: Roll rates in RCVD

    by Loz
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    The pivot point being referred to is the...

    The pivot point being referred to is the attachment point of the droplink on the undertray tunnels.



    Correct, it would have no impact on the LLTD.


    Correct
  14. Thread: Roll rates in RCVD

    by Loz
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    78,192

    Well for starters it is not a closed system and...

    Well for starters it is not a closed system and there is not a conservation of momentum.
    Secondly, the ball is rolling and the other sliding (with minimal rotation).
    Assuming a rigid ball and...
  15. Thread: UTAS build thread

    by Loz
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    105,758

    My point above is that you need to go through...

    My point above is that you need to go through this process (Thinking...more thinking...) prior to acting so that your actions return the most value. As part of this process it is important to record...
  16. Thread: UTAS build thread

    by Loz
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    188
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    105,758

    No not saying that at all. CAD tools are...

    No not saying that at all.

    CAD tools are merely a way of documenting a thought process and conveying that idea to others in an efficient and accurate manner that is easy to reproduce and/or...
  17. Thread: UTAS build thread

    by Loz
    Replies
    188
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    105,758

    Unfortunately Jonny, you have got the rationale...

    Unfortunately Jonny, you have got the rationale behind a top down approach completely the wrong way around. The fact that a group is unfamiliar with a system and lacks expertise/knowledge in most of...
  18. This is a plot of the derived data from an...

    This is a plot of the derived data from an injector flow test in which mass flow was measured at discrete injector voltages and duty cycles. Fuel mass was averaged by the number of injector open...
  19. It is something that is very difficult to measure...

    It is something that is very difficult to measure in car and really requires off car testing of the injectors (i.e. flow bench with different voltages) and some intimate knowledge of the injector...
  20. Thread: Roll rates in RCVD

    by Loz
    Replies
    104
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    78,192

    The orientation about the axis of symmetry of the...

    The orientation about the axis of symmetry of the axle dictates the orientation planes of shear induced warp at the axle ends. The shear deformation (warping) either contributes to roll steer (gain...
  21. Thread: PWM in Cooling

    by Loz
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    2,384

    Longer pulse > higher duty cycle > higher...

    Longer pulse > higher duty cycle > higher current/duty cycle > faster spinning motor > more water pumped.
    In terms of DC motor control, it is very very simple...
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    Some of the responses make it seem as though...

    Some of the responses make it seem as though there is only one "type" of carbon fibre reinforcement in existence or only one type of rapid prototyping material available.

    The question is about as...
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    If "it" moves relative to the chassis and is...

    If "it" moves relative to the chassis and is related to wheel control or it is part of a system that creates relative movement between the chassis and the wheels, then it is suspension or steering.
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    http://img708.imageshack.us/img708/8774/tmjeoedite...

    http://img708.imageshack.us/img708/8774/tmjeoedited.jpg
    The edited image shows the waveform the crank teeth are generating as the mag sensor passes a tooth. The missing waveform of the missing...
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    There still seems to be confusion about the edge...

    There still seems to be confusion about the edge polarity of the sensor waveforms.

    To clarify, the first image by the OP shows a FALLING ref signal and a RISING sync signal.
    The second image...
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