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New Products [more]
Lacquer Dullcote (.25 ounces)
$6.01 $5.11
Save: 15% off
Save: 15% off
BT-55 Body Tubes
Standard BT-55 Body Tubes
BT-55-18
Body Tube - BT-55 - 18" Long (Package of 4) - Model Rocket Part
This is a package of four standard BT-55 diameter model rocket white kraft body tube. Length:18 inches Inside Diameter: 1.283 inches (32.589.mm)...
Model: BT-55-18
12 Units in Stock
$8.99
In Stock: 12
BT-55-9
Body Tube - BT-55 - 9" Long - Model Rocket Part
This is a standard BT-55 diameter model rocket brown kraft body tube. Length:9 in Inside Diameter: 1.283 in Outside Diameter: 1.325 in
Model: BT-55-9
39 Units in Stock
$1.95
In Stock: 39
3087
Estes Package of Three BT-55 Body Tubes - 18" Long
This package includes three genuine Estes brand spiral-wound paper body tubes. Inside Diameter: 1.283 inches Outside Diameter: 1.33 inches Length: 18...
Model: 3087
11 Units in Stock
$11.29
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In Stock: 11
Body Tube Specifications
| Name | ID (in) | ID (mm) | OD (in) | OD (mm) | Wall (in) | Wall (mm) |
|---|---|---|---|---|---|---|
| BT-5 | 0.5180 | 13.1572 | 0.5440 | 13.8176 | 0.0260 | 0.6604 |
| BT-20 | 0.7100 | 18.0340 | 0.7360 | 18.6944 | 0.0260 | 0.6604 |
| BT-20H | 0.7100 | 18.0340 | 0.7520 | 19.1008 | 0.0420 | 1.0668 |
| BT-50 | 0.9500 | 24.1300 | 0.9760 | 24.7904 | 0.0260 | 0.6604 |
| BT-50H | 0.9500 | 24.1300 | 0.9800 | 24.8920 | 0.0300 | 0.7620 |
| TT-50 | 0.9880 | 25.0952 | 1.0280 | 26.1112 | 0.0400 | 1.0160 |
| BT-29 (29mm) | 1.1400 | 28.9560 | 1.2100 | 30.7340 | 0.0700 | 1.7780 |
| BT-55 | 1.2830 | 32.5882 | 1.3250 | 33.6550 | 0.0420 | 1.0668 |
| TT-55 | 1.3400 | 34.0360 | 1.3850 | 35.1790 | 0.0450 | 1.1430 |
| BT-60 | 1.5950 | 40.5130 | 1.6370 | 41.5798 | 0.0420 | 1.0668 |
| BT-1.9 | 1.8000 | 45.7200 | 1.8900 | 48.0060 | 0.0900 | 2.2860 |
| PS II 2-inch | 1.9200 | 48.7680 | 2.0000 | 50.8000 | 0.0800 | 2.0320 |
| BT-70 | 2.1750 | 55.2450 | 2.2170 | 56.3118 | 0.0420 | 1.0668 |
| BT-70H | 2.1660 | 55.0164 | 2.2180 | 56.3372 | 0.0520 | 1.3208 |
| PS II 2.5-inch | 2.4200 | 61.4680 | 2.5000 | 63.5000 | 0.0800 | 2.0320 |
| BT-80 | 2.5600 | 65.0240 | 2.6000 | 66.0400 | 0.0400 | 1.0160 |
| BT-80H | 2.5600 | 65.0240 | 2.6110 | 66.3194 | 0.0510 | 1.2954 |
| PS II 3-inch | 2.9200 | 74.1680 | 3.0000 | 76.2000 | 0.0800 | 2.0320 |
| BT-101 | 3.8960 | 98.9584 | 3.9380 | 100.0252 | 0.0420 | 1.0668 |
| PS II 4-inch | 3.9200 | 99.5680 | 4.0000 | 101.6000 | 0.0800 | 2.0320 |
Most body tubes are made from spiral-wound kraft paper. White kraft body tubes are made from paper that has been bleached white. Brown or gray (the color may vary) tubes are made from unbleached kraft paper.
Standard body tube sizes are based on the inner diameter (ID) of the tube. The outer diameter (OD) and the wall thickness (Wall) depend on how many layers of paper are wound around the tube. "Heavy" body tubes have one or more extra layers of paper resulting in a thicker wall.