|
Day 1
|
|
Test 1
|
No Lubrication
| Test Car: |
|
Unlubricated. (It had never been lubricated,actually.) |
| Control Car: |
|
Lubricated. |
| Caveats: |
|
Control car carried the slight additional weight
of the lubricant. Everything else equal. |
|
| Test |
2.989 |
2.990 |
2.983 |
2.943 |
2.964 |
2.958 |
2.982 |
2.938 |
2.971586 |
| Control |
2.592 |
2.593 |
2.592 |
2.593 |
2.593 |
2.597 |
2.598 |
2.599 |
2.594241 |
| Difference |
(0.377345) |
|
Test 2
|
Weight in the Back
| Test Car: |
|
COG approximately 1.5 inches from rear of car. |
| Control Car: |
|
COG at center of car. |
| Caveats: |
|
None. COG of gravity was equally concentrated at
its location in each case. |
|
| Test |
2.568 |
2.570 |
2.569 |
2.566 |
2.566 |
2.564 |
2.561 |
2.571 |
2.567264 |
| Control |
2.599 |
2.603 |
2.593 |
2.600 |
2.600 |
2.598 |
2.607 |
2.600 |
2.599689 |
| Difference |
0.032425 |
|
Test 3
|
Weight in the Front
| Test Car: |
|
COG approximately 1.5 inches from front of car. |
| Control Car: |
|
COG at center of car. |
| Caveats: |
|
None. COG of gravity was equally concentrated at
its location in each case. |
|
| Test |
2.649 |
2.649 |
2.652 |
2.645 |
2.657 |
2.657 |
2.653 |
2.650 |
2.651235 |
| Control |
2.609 |
2.605 |
2.597 |
2.590 |
2.599 |
2.602 |
2.603 |
2.599 |
2.600507 |
| Difference |
(0.050728) |
|
Test 4
|
Light Car
| Test Car: |
|
Weight 4.5 ounces. |
| Control Car: |
|
Weight 5.0 ounces. |
| Caveats: |
|
COG of gravity slightly more concentrated at
center of control car. Everything else equal. |
|
| Test |
2.607 |
2.609 |
2.612 |
2.609 |
2.614 |
2.613 |
2.613 |
2.611 |
2.611219 |
| Control |
2.597 |
2.591 |
2.593 |
2.595 |
2.592 |
2.600 |
2.592 |
2.597 |
2.594423 |
| Difference |
(0.016796) |
|
Test 5
|
Very Light Car
| Test Car: |
|
Weight 4.0 ounces. |
| Control Car: |
|
Weight 5.0 ounces. |
| Caveats: |
|
COG of gravity slightly more concentrated at
center of control car. Everything else equal. |
|
| Test |
2.622 |
2.630 |
2.629 |
2.629 |
2.628 |
2.630 |
2.625 |
2.630 |
2.629008 |
| Control |
2.593 |
2.593 |
2.594 |
2.592 |
2.597 |
2.598 |
2.593 |
2.599 |
2.594229 |
| Difference |
(0.034779) |
|
Test 6
|
Very, Very Light Car
| Test Car: |
|
Weight 3.5 ounces. |
| Control Car: |
|
Weight 5.0 ounces. |
| Caveats: |
|
COG of gravity slightly more concentrated at
center of control car. Everything else equal. |
|
| Test |
2.639 |
2.641 |
2.644 |
2.644 |
2.643 |
2.643 |
2.645 |
2.646 |
2.643432 |
| Control |
2.595 |
2.599 |
2.596 |
2.606 |
2.598 |
2.591 |
2.593 |
2.592 |
2.595365 |
| Difference |
(0.048067) |
|
Day 3
|
|
Test 11
|
Raw Components
| Raw Wheels and Axles Car: |
|
Wheels and axles untreated. |
| Raw Wheels Car: |
|
Wheels untreated, axles filed, sanded and polished. |
| Raw Axles Car: |
|
Wheels sanded and polished, axles untreated. |
| Control Car: |
|
Wheels and axles treated. |
| Caveats: |
|
Test cars carried slight additional weight of
components which had not been "worked". Everything else equal. |
|
| Raw wheels and axles |
2.606 |
2.618 |
2.611 |
2.614 |
2.609 |
2.615 |
2.609 |
2.597 |
2.610729 |
| Raw wheels |
2.604 |
2.602 |
2.607 |
2.608 |
2.613 |
2.610 |
2.615 |
2.612 |
2.609101 |
| Raw axles |
2.568 |
2.584 |
2.576 |
2.571 |
2.572 |
2.569 |
2.573 |
2.576 |
2.572881 |
| Control |
2.574 |
2.578 |
2.571 |
2.573 |
2.580 |
2.569 |
2.578 |
2.580 |
2.575792 |
| Differences |
(0.034937)
(0.033309)
0.002911 |
|
Test 12
|
Higher Center of Gravity
| Test Car: |
|
2.2 ounces of weight was moved 3-3/4" inches above track level,
thus moving COG approximately 1" to 1-1/2" higher.
|
| Control Car: |
|
Baseline weighting. |
| Caveats: |
|
None, everything else equal. |
|
| Test |
2.581 |
2.577 |
2.585 |
2.583 |
2.582 |
2.580 |
2.577 |
2.585 |
2.581797 |
| Control |
2.565 |
2.562 |
2.557 |
2.562 |
2.560 |
2.559 |
2.565 |
2.568 |
2.562211 |
| Difference |
(0.019586) |
|
Test 13
|
Small Change in Aerodynamics
| Test Car: |
|
A spoiler, 1" long by 1-1/2" wide, leading edge even with
car body, trailing edge about 3/8" above car body, was attached
to back of the car body. |
| Control Car: |
|
Baseline aerodynamics. |
| Caveats: |
|
Test car carried slight additional weight of index
card and tape. Everything else equal. |
|
| Test |
2.576 |
2.571 |
2.570 |
2.566 |
2.570 |
2.577 |
2.575 |
2.576 |
2.572981 |
| Control |
2.566 |
2.572 |
2.574 |
2.570 |
2.563 |
2.574 |
2.573 |
2.572 |
2.571833 |
| Difference |
(0.001148) |
|
Test 14
|
Wheel/Body Clearance
| 0.80 mm Car: |
|
Wheel Hub to Car Body clearance was 0.80 mm for
each wheel. |
| 2.40 mm Car: |
|
Wheel Hub to Car Body clearance was 2.40 mm for
each wheel. |
| Control Car: |
|
Wheel Hub to Car Body clearance was 1.55 mm for
each wheel. |
| Caveats: |
|
None, everything else equal.
Distances were measured these with a feeler gauge. |
|
| 0.80 mm |
2.593 |
2.588 |
2.594 |
2.584 |
2.579 |
2.580 |
2.586 |
2.588 |
2.586525 |
| 2.40 mm |
2.592 |
2.565 |
2.580 |
2.585 |
2.576 |
2.583 |
2.576 |
2.585 |
2.581111 |
Control
(1.55 mm) |
2.582 |
2.587 |
2.583 |
2.585 |
2.577 |
2.589 |
2.587 |
2.584 |
2.584597 |
| Differences |
(0.001928)
0.003486 |
|
Test 15
|
Plop Down Staging
| Test Car: |
|
Car was carelessly (randomly?) placed at the
starting gate, in a manner to which many youngsters are prone. |
| Control Car: |
|
Car was carefully staged, aligned and centered over
lane guide, wheels spread to maximum width. |
| Caveats: |
|
None, everything else equal. |
|
| Test |
2.582 |
2.592 |
2.574 |
2.576 |
2.579 |
2.583 |
2.573 |
2.587 |
2.580167 |
| Control |
2.570 |
2.574 |
2.583 |
2.574 |
2.559 |
2.565 |
2.564 |
2.574 |
2.570741 |
| Difference |
(0.009426) |
