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  • Users: MDLU
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  1. MDLU

    Icing problem for a fishing line towing an underwater probe (Arctic mission)

    Thanks Compositepro, you are right, we could add some buoyancy on the line. I will let you know what we end up doing. Best, M
  2. MDLU

    Icing problem for a fishing line towing an underwater probe (Arctic mission)

    Thanks romke, an icing test with the POWERPRO is a very good suggestion and indeed chemicals would have to be nontoxic to the aquatic environment. The "captain" of the mission is finally back from his sailing trip and it looks like he wants the line to be fully submerged (towing from below...
  3. MDLU

    PTFE coating a fishing line for towing underwater probe in the Arctic

    Thank you epoxybot, 3DDave, dik and MedicineEng for your suggestions, MedicineEng and dik, indeed, in terms of strength steel is very good (thin piano wires get up to 2.6-2.9GPa of tensile strength) and cheap enough for frequent replacements to avoid corrosion). The problem is that the probe...
  4. MDLU

    Icing problem for a fishing line towing an underwater probe (Arctic mission)

    EdStainless, Zeusfaber, Greg Locock and TugboatEng, Thank you for all your suggested solutions (steel*, Krytox**, warm water**, underwater line/chain***). As I consider them, the solution could be a combination of them. I will get back to you with the final solution (field results much later)...
  5. MDLU

    PTFE coating a fishing line for towing underwater probe in the Arctic

    Thank you 3DDave for your help, Based on PTFE melting Temperature> spectra melting, melting PTFE on the fiber does not seem feasible. However, PowerPro has a PTFE coated line (for operations in ice but too weak/small for us) Based on this product, there should be a way to PTFE coat a line...
  6. MDLU

    Icing problem for a fishing line towing an underwater probe (Arctic mission)

    Dear all, - Our research team is looking to deploy an underwater towed probe (measure conductivity, temperature, depth for climate change research) in the Arctic (the towing boat in a previous mission, https://www.nanuq2020.eu/). - Probe is towed from the boat with a ~300m fishing line (at...
  7. MDLU

    PTFE coating a fishing line for towing underwater probe in the Arctic

    Dear all, - Our research team is looking to deploy an underwater towed probe (measure conductivity, temperature, depth for climate change research) in the Arctic (the towing boat in a previous mission, https://www.nanuq2020.eu/). - Probe is towed from the boat with a ~300m fishing line (at...

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