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Question on periscope entrance

 
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Bleith
Guard Bee


Joined: 05 Apr 2014
Posts: 51
Location: West Dundee, IL. USA

PostPosted: Tue Apr 29, 2014 4:11 am    Post subject: Question on periscope entrance Reply with quote

Questions concerning periscope entrance. Is it used all the time? Or during certain times of the season? I have a total of 6 entrance holes. 3 up high for a periscope entrance and 3 just below entrance. I currently have all them open and the periscope is installed. Should I cork the lower ones etc...? Leave all open? Thx in advance for any advice
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Smorning
Foraging Bee


Joined: 20 Aug 2013
Posts: 150
Location: Faversham Kent UK

PostPosted: Tue Apr 29, 2014 4:29 am    Post subject: Answer ? Reply with quote

As I understand it the purpose of this is to

A - reduce the drop of varroa on bees entering or leaving the hive.
B - to reduce draughts
C - to reduce robbing

So I would have thought the lower entrances should be blocked off at all times as if open the above objectives would not be achieved. Hope that makes sense.
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AugustC
Silver Bee


Joined: 08 Jul 2013
Posts: 613
Location: Malton, North Yorkshire

PostPosted: Tue Apr 29, 2014 12:47 pm    Post subject: Reply with quote

the periscope entrance is for the bees to use all the time.
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Bleith
Guard Bee


Joined: 05 Apr 2014
Posts: 51
Location: West Dundee, IL. USA

PostPosted: Fri May 02, 2014 3:57 pm    Post subject: Reply with quote

How high off of the bottom should the entrance holes be when using a periscope entrance? I have 3 holes about 3/4" in diameter (fits a wine cork incase I need to close some off). How tall should the periscope be and how deep should it be? Mine is about 6" tall and is 1 1/2" deep. My holes are about 8" PDF of the bottom.
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B kind
Scout Bee


Joined: 13 May 2013
Posts: 250
Location: Co.Wicklow, Ireland

PostPosted: Fri May 02, 2014 4:20 pm    Post subject: Reply with quote

I don't know what measurements we used in the end, I can measure when I get a chance. Until then have you read this thread? http://www.biobees.com/forum/viewtopic.php?t=13586&highlight=

and there is a photo of our hive with periscope entrance at the end of this thread.
http://www.biobees.com/forum/viewtopic.php?t=14952&highlight=


Kim
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