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At 14:32 25 July 2012, Tom Claffey wrote:
At 11:28 25 July 2012, Kimmo Hytoenen wrote: At 10:11 25 July 2012, Michael Clarke wrote: At 08:14 25 July 2012, Kimmo Hytoenen wrote: FLARM tells you that there is another glider. It does not really tell you where it is - you need to look and find it. Week ago I got FLARM warning, without seeing the another plane. Kimmo, It does if you have the right equipment and set it up properly. LX8000 / 9000 with voice shows you and tells you where the other glider is. Link your Flarm to any navigation display, for example LK8000, you can maintain awareness of other gliders and will have a vey good idea where to look if a glider triggers a warning. This works very much better than the standard Flarm display, and IMO better than the various Flarm analogue displays (though I have one fitted as belt and braces). Mike I agree Mike. Therefore I was involved in development of Soartronic devices, to make FLARM / PDA connections easy & low cost. Voice warning might be a good idea, but transferring information takes time? FLARM systems seem to have blind points. I would like to have a system, that helps maintaining awareness of nearby planes, even when FLARM signal is temporally lost. LK8000 seems to have some fresh ideas. Flarm blind spots are mostly about the aerial placement: you will not see anyone directly below or above due to signals not going through fuselage. It works well on the head on case. With the above/below blindspot you would have been alerted earlier as the other glider approached out of blindspot. They are not perfect and need to be used along with good lookout. With Flarm you get a directed lookout which is very effective. Mandatory Flarm in comps and preferably in all gliders/tugs is a small price to pay for the increased safety, but : YOU STILL NEED TO LOOK OUT! Tom It is well worth running the range analysis software from the Flarm web site to check how well your aerial is working, albeit this shows the horizontal range. I was very pleased to find a similar tool recently on the LX Nav web site that allows you to do this for a file from an LX8000/9000. I am experimenting with two commercially available L shaped and T shaped aerials that are intended to reduce vertical blind spots at the expense of some horizontal range. So far so good, and that is just with the L aerial mounted inverted under the glare shield. Mike |
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