Detailed Description
Aluminum round tubing (6061-T6) remains common for UAV booms and light aircraft struts-until operators tally the hidden costs. At 2.7g/cm³ density, a 25mm×1.5mm×800mm boom weighs 240g. Worse, aluminum's low yield strain (0.2%) means any ground strike exceeding 5J causes permanent set, throwing thrust alignment off by 3°+.
Our autoclave carbon round tubes use T700 filament winding with [±55°/90°/0°] layup, achieving 1.45g/cm³ density and 2,100MPa axial tensile. A direct replacement tube weighs 127g-47% lighter. Crash energy below ultimate load is absorbed elastically; the tube returns to straight, preserving thrust geometry. Salt spray exposure testing (ASTM B117, 1,000hr) shows zero degradation-critical for maritime patrol UAVs.
Filament winding mandrels are precision-ground to ±0.02mm, yielding tube OD tolerance ±0.1mm. Autoclave cure at 6bar eliminates voids >1.5%. Each production batch includes burst pressure test samples and layup documentation. Export clearance supported with full compliance documentation.
Specification
|
Parameter |
Value |
|---|---|
|
Process |
Filament winding + autoclave |
|
Fiber |
T700 / T800 optional |
|
OD range |
6mm – 80mm |
|
Wall thickness |
0.5mm – 5.0mm |
|
Length |
Up to 3000mm |
|
Axial tensile |
≥2,100MPa |
|
Weight vs AL |
-47% |
|
Burst pressure tested |
Per batch |
|
Export |
Legal export, full docs |
Custom FAQ
Q: Can these tubes be supplied with bonded aluminum end inserts for clamp mounting?
A: Yes, we bond 6061-T6 threaded inserts using structural epoxy, tested to 80% of tube ultimate load.
Q: What is the minimum bend radius for 20mm OD tube under flight load?
A: Safe continuous bend radius is 150× OD; elastic deflection recovers fully within this limit.
Q: Do you support small batch trial orders for prototype aircraft?
A: Yes, MOQ 5 pieces for standard sizes; prototype lead time 10–14 days.
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