Re: Re: 2014 F1D WCh - Bulletin 1

From: Tapio Linkosalo <tapio.linkosalo_at_iki.fi>
Date: Tue, 24 Sep 2013 07:56:43 +0300

On 21-Sep-13 12:41, Aurel Popa wrote:
> You definitely need a very powerful flash light if you use the baloon
> over 15 m altitude.

Ok, how much is "powerful"? I just saw an ad advertizing led lamps with
550 or 700 lumens; would they suffice? Would someone have examples of
lights that are strong enough, or how many lumens is needed? Thanks!




-Tapio-
Received on Mon Sep 23 2013 - 21:56:47 CEST