Aruna-1 Spectrometer Specifications



Drawings

Drawings of the components show their overall dimensions as well as the placement of various features which must be drilled or cut. Drawing files are provided in two formats: 1) the original odg files, and 2) pdf version of the drawing files. If you wish to use the drawings as is, the pdf versions are perfectly adequate. If you wish to modify the drawings for your own customizations, then download the odg files and edit them in LibreOffice.

Base Plate

Slit Plate

pdf, odg

Grating Holder

Mask Plate

pdf odg

Top Plate

pdf odg

Light Shield


Parts List

The parts list is given in the spreadsheet, PartsList.ods.

Examples of some sources of materials for a few of the major parts are given in the list below.

Drill Table

The drill bit sizes and drill hole depths corresponding to the numbered holes on the drawings are given in the table below.

ComponentHole # Bit SizeDepth (in.)Screw
x = through hole
Base Plate15/32x#6-3/4
25/32x#6-3/4
35/32x#6-3/4
45/32x#6-3/4
55/32x#6-3/4
65/32x#6-3/4
75/32x#6-3/4
85/32x#6-3/4
95/32x#6-3/4
105/641/2#4-1/2 round head
115/641/2#4-1/2 round head
125/641/2#4-1/2 round head
Grating Holder (Piece A)17/641/2#6-3/4
27/641/2#6-3/4
Slit Plate11/8x#4-1/2 round head
21/8x#4-1/2 round head
31/8x#4-1/2 round head
Mask Plate17/641/2#6-3/4
27/641/2#6-3/4
31/8x#4-5/8 round head
41/8x#4-5/8 round head
51/8x#4-5/8 round head
61/8x#4-5/8 round head
Top Plate15/641/2#4-5/8 round head
25/641/2#4-5/8 round head
35/641/2#4-5/8 round head
45/641/2#4-5/8 round head
Hand Grip13/323/4#6-3/4


The above table may be downloaded as a spreadsheet file also.