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Gearboxes

Basic Gearbox Information

General Gearbox Rules

Gear boxes are hard to work with because the nominclature is hard to figure out.

• x/n - means the gears are adjacent. This is called a MESH.

• x * n - means the gears are on top of each other AND the next row(s) of gears need a spacer underneath them (or other gear).

• All gears must start at A1. This is called the INPUT.

• All gears finish on ROW 8 This is the OUTPUT ROW.

• The target gear must have the required output on ROW 8 + THE LETTER indicated in the gear request.
  

eg H120 - must have 120% on row H8 to be "correct". This is called the OUTPUT.

• When using Analyze - the only values of importance are the ones for the OUTPUT ROW.
  

Intermediate results are not relevant to the final gearbox.

• If 2 gear boxes are described - you need 2 gear boxes (quarries). The gear boxes may have more outputs than requested.
  

eg 3 output box will work for a 2 output request - provided the 2 of those outputs are correct.

• There can be a max of 3 gears (layers) (gears or spacers) on any peg.

• If gears "jam" its because they are on the wrong layer.

• There is a max of 15 pegs

• There is a max of 30 gears (total). Spacers count as 1 in the total.

• To "carry" an output to the output row without changing the value place a 3 or 4 gear ON TOP or UNDERNEATH it and then form a chain to the location.
  

eg lets say you have the desired speed at C3 and you need to take it to F8. Place a 3 or 4 gear ON TOP or UNDERNEATH the gear at C3 and form your chain. You will need to place spacers for all gears on layers 2 (or 3). The tricky part is spacers count as 1 in the totals, so you may need to place the "chain" on layer one and put your "desired gears" on layer two.

• The build table shows the locations and layers of the gears. There is a max of 3 gears on a peg (cell). They are read L-R as layer 1 2 3. The numbers represent the type of gear and a 1 means a spacer at that spot.
  

eg 345 gear 3 is on layer 1 / gear 4 is on layer 2 / gear 5 is on layer 3

eg 114 there are spacers on layer 1 and 2 and gear 4 is on layer 3

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Gears have specific orientations.

Size 3 gears can be next to each other in a staight line.

3 + 3

3	3	3
3
3

Size 4 gears can form a diagnonal chain

4 + 4

		4
	4
4

Size 6 gears form a "knight's move = 2 up+1 over. Rarely used in a chain as 6 is expensive to make.

6 + 6

.	6
.
6

Size 5 + 3 gears mesh on a diagnonal

5 + 3

	3
5

Size 6 + 5 and 7 + 4 gears stack by 2 steps.

6 + 5 7 + 4

5		4
.		.
6		7

Size 7 +5 gears form a "knight's move = 2 up+1 over. Rarely used in a chain as 7 is expensive to make.

7 + 5

.	5
.
7

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Box D492-D561

Ratios Output 1

Gearbox Ratios 492-561

Ratio	Med	Lrg	Rel Cost	Gear Linkages
536	8	0	8	(5/3) * (5/3) * (5/3) * (5/3) * (5/6) * (5/6)
556	4	0	4	(5/3) * (5/3) * (6/5/3)

Build Box D556

	A	B	C	D	E	F	G	H
8				113
7				113
6				113
5			115
4
3			136
2		35
1	5

Output

D556

Cost

• 5 Small
• 4 Medium
• 0 Large

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B72-B86 G116-G135

Ratios Output 1

Gearbox Ratios 72-86

Ratio	Med	Lrg	Rel Cost	Gear Linkages
72	3	0	3	(3/5) * (6/5)
73	10	1	16	(3/5/6) * (5/6) * (7/4)
75	7	1	13	(3/5/7/4)
76	10	1	16	(3/5) * (3/5) * (6/5) * (7/4)
79	9	1	15	(5/3) * (5/6) * (4/7)
80	7	1	13	(4/7/5)
82	10	1	16	(6/5) * (6/5) * (4/7)
83	2	0	2	(5/6)
84	8	1	14	(3/5) * (7/5)
86	5	0	5	(3/5) * (6/5) * (6/5)

Ratios Output 2

Gearbox Ratios 116-135

Ratio	Med	Lrg	Rel Cost	Gear Linkages
116	5	0	5	(5/3) * (5/6) * (5/6)
117	9	1	15	(5/6) * (7/5)
119	8	1	14	(5/3) * (5/7)
120	2	0	2	(6/5)
122	10	1	16	(5/6) * (5/6) * (7/4)
124	9	0	9	(3/5) * (6/5) * (6/5) * (6/5) * (6/5)
125	7	1	13	(5/7/4)
126	9	1	15	(3/5) * (6/5) * (7/4)
132	10	1	16	(5/3) * (5/3) * (5/6) * (4/7)
133	7	1	13	(4/7/5/3)
134	10	0	10	(5/3) * (5/3) * (5/6) * (5/6) * (5/6) * (5/6)

Build B83 G120

	A	B	C	D	E	F	G	H
8		4					13
7			4				43
6				4				4
5			4				4
4		4				4
3	46				4
2				4
1	156		415

Output

B83; G120

Cost

• 15 Small
• 4 Medium
• 0 Large

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Gearbox G328-G367

Ratios Output 1

Gearbox Ratios 328-367

Ratio	Med	Lrg	Rel Cost	Gear Linkages
331	10	1	16	(5/3) * (5/3) * (5/3) * (5/7)
333	3	0	3	(5/3) * (6/5/3)
346	8	0	8	(6/5/3) * (6/5) * (6/5) * (6/5)
347	9	1	15	(5/3) * (5/3) * (5/7/4)
350	8	1	14	(6/5/3) * (7/4)

Build Box G333

	A	B	C	D	E	F	G	H
8							4
7						4
6					4
5			13	43
4		35
3	5
2
1	6

Output

G333

Cost

• 7 Small
• 3 Medium
• 0 Large

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Gearbox A224-A276 H44-H54

Ratios Output 1

Gearbox Ratios

Ratio	Med	Lrg	Rel Cost	Gear Linkages
229	10	1	16	(6/5/3) * (6/5/3) * (4/7)
231	4	0	4	(5/3) * (5/3) * (5/6)
233	8	1	14	(7/5/3)
238	10	1	16	(5/3) * (6/5/3) * (5/7)
240	4	0	4	(6/5/3) * (6/5)
243	9	1	15	(5/3) * (5/6) * (7/4)
249	10	0	10	(6/5) * (6/5) * (6/5) * (6/5) * (6/5)
250	9	1	15	(6/5/3) * (5/7/4)
252	10	1	16	(6/5) * (6/5) * (7/4)
265	9	1	15	(5/3) * (5/3) * (5/3) * (4/7)
267	9	1	15	(6/5/3) * (4/7/5/3)
268	9	0	9	(5/3) * (5/3) * (5/3) * (5/6) * (5/6) * (5/6)

Ratios Output 2

Gearbox Ratios

Ratio	Med	Lrg	Rel Cost	Gear Linkages
44	10	1	16	(3/5/6) * (3/5/6) * (7/4)
45	8	1	14	(3/5) * (3/5/7/4)
48	8	1	14	(5/6) * (4/7)
50	2	0	2	(3/5/6)
51	10	1	16	(3/5/7) * (6/5)
52	6	0	6	(3/5) * (3/5) * (6/5) * (6/5)
53	9	1	15	(3/5) * (3/5/6) * (7/4)
54	10	1	16	(3/5) * (6/5) * (3/5/7/4)

Build Box A240 B240 H50

	A	B	C	D	E	F	G	H
8	3	3						6
7		3
6		35						5
5							34
4		36				14
3	5				14
2		14		14
1	64		14

Output

A240; B240; H50

Cost

• 13 Small
• 6 Medium
• 0 Large

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Gearbox Template

Gearbox Template

Ratios

Gearbox Ratios

Ratio	Med	Lrg	Rel Cost	Gear Linkages
1	1	1	2	(1/2) * (3/4)

Build

	A	B	C	D	E	F	G	H
8
7
6
5
4
3
2
1

Output

;

Cost

• Small
• Medium
• Large

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