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Type: Posts; User: erlaita

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    Formula for heat loss in hives

    Hello,
    I am looking for a formula for heat loss in hives (Dadant) of pine wood (25mm thickness).

    Do you know any simple formula? (my knowledge of Physics are limited)

    Thanks!
  2. Re: Perennial Pepperweed extract: 100% efficacy against Varroa

    Hello,
    More than 3 years have passed. Has anyone heard any other news about this investigation? It's very weird. Another false promise more?
  3. Why is called "comb" the wax structure where the honey is stored?

    Hello,
    I have a linguistic question: why is the same name used in the tool for style the hair to refer to the wax body where the honey is? Curiously, the same thing happens in the Basque (perhaps...
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    Re: Ultrasonic waves againts varroa

    I hope to try it next spring. But I do not know why the seller does not answer me, when I asked him if my 12V 45Ah battery is valid, because nowhere have I seen if that battery that appears in his...
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    Re: Ultrasonic waves againts varroa

    Something new? Did you try the ultrasounds?
  6. Re: Concentration of Ammonium nitrate for use in the smoker

    Thanks, Nancy, for the information

    My interest in the use of nitrate goes later. For example, I have a swarm that has been introduced into the chimney of a country house. Before it was a...
  7. Concentration of Ammonium nitrate for use in the smoker

    Hello,
    I wish to erase the memory of a swarm that has entered me in the garden, and take them 500m away. For that I want to use ammonium nitrate in the smoker. I have been told that the one used in...
  8. Re: Who faces an intrusive queen, the queen of the hive or the workers?

    Thank you all for contributing your experience!



    Thanks!
  9. Who faces an intrusive queen, the queen of the hive or the workers?

    Hello,
    I have a doubt about the behavior of the queens:
    If you introduce a second queen in the hive, what happens?

    a) the queen of the hive attacks her and they fight, the stronger one wins
    b)...
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    Doubt about thymol gel recipe

    Hello
    There are many recipes on the net for thymol, which mix vegetable fat and fine sugar with thymol. Some of these recipes are presented as homemade apiguard. But the apiguard gel I think is...
  11. Information on the toxicity of different herbicides for bees

    Hello,
    Do you know of a list or place where they offer information about the toxicity they have on the bees of the different herbicides currently used?
    Specifically, I need information on Garlon's...
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    Re: Doubts in the design queen cell incubator

    The problem I see in that approach is that the hotter air goes up and the colder goes down, creates a vertical temperature gradient, it's a matter of density.
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    Re: Doubts in the design queen cell incubator

    Thank you, Bill. Your idea is interesting to me.
  14. Replies
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    Doubts in the design queen cell incubator

    Hello,
    I'm looking at the design of a queen cell incubator. The main problem is the even distribution of the temperature inside. I have read that it is important that the airflow from the fan should...
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    Honey 'contaminated' with sucrose

    Hello,
    In spring I usually feed the weakest hives with table sugar (sucrose, beet sugar). I have seen that some hive has stored some of that sugar in the super. But I'm not sure how much sugar is...
  16. Re: The best power (in watts) of the vacuum cleaner to make a bee vacuum

    Hello,
    The use of the battery seems difficult to me: above it has been said in this thread that 900 wats can be an appropriate power. That's 75 amps. The auto battery I use for oxalic vaporization...
  17. Re: The best power (in watts) of the vacuum cleaner to make a bee vacuum

    Thanks!
  18. Standard dimensions for the Kenyan Top Bar Hive

    Hello,
    Are there standard measures for the Kenyan Top Bar Hive established by a competent organization?

    On the Internet I find countless sizes and dimensions, I'm a little lost.
  19. The best power (in watts) of the vacuum cleaner to make a bee vacuum

    Hello,
    I'm thinking of making myself a bee vacuum with a vacuum cleaner. I think that too much power can kill the bees, but if the power is very small, it will not suck the bees. What would be the...
  20. Re: Foundationlees frames, why do they sometimes build a lot of drone cell?

    Thank you all.



    So, I understand that I should not worry, they know what they do.
  21. Foundationlees frames, why do they sometimes build a lot of drone cell?

    Hello,
    I put top bars in a Kenyan beehive, and the bees built normal honeycombs. I put top bars in a Warr hive and built normal honeycombs. I replaced three old frames with foundationless frames in...
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    Ultrasonic waves againts varroa

    Hello,
    I have seen that a German is preparing a system for the use of ultrasound against varroa: 15kHz and 90dB

    http://www.varroa-sound.de

    Do you know anything else about this?
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    Sticky: Re: diy oxalic acid vaporizer

    Hello
    It is true that between 100C and 160C oxalic boils because it loses water of hydration. But between 160C and 200C (more or less) I have always seen that oxalic also continues to boiling in...
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    Sticky: Re: diy oxalic acid vaporizer

    In my opinion, the re-crystallization is a problem that occurs when the oxalic vapor cools too quickly (or when the heating is too slow), and crystallized oxalic is accumulated at the edges of the...
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    Sticky: Re: diy oxalic acid vaporizer

    Hello,
    Frank crofter has spoken wisely in my view. My evaporator 150W, made with a glow plug in aluminum pan works like this: a 100C starts to boil oxalic, to 160C begins to evaporate, and to...
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