At room temperature it does stepdown. And all models you mentioned above also do stepdown at 20-25C.
Of course ) But if we look at more or less compact model with 1 battary the only model is h30 at the moment.
lol. At real orienteering much more small and light headlamp are used.
I noted the above comments about the efficiency of XHP70.2.
There doesn’t seem to be that many XHP70.2 headlamps, but I noticed the Imalent HR70 uses XHP70.2 — I understand in general, Imalent doesn’t seem to have that great efficiency (in their other flashlight models), but I wonder if the Imalent HR70 will also be relatively more efficient than other LEDs headlamps, since it uses XHP70.2 ?
It has bad heat sink and I think it has not very good driver. When I test it, it hold about 1000lm during 1 hour but without stabilisation(~750lm at the end of discharge) and warmed up to 90C. :smiling_imp:
AEDe ,what are you talking about?
In this review, the headlamp was cooled.
Here are graphs without cooling
It looks like the high powered lights are used by many but not all, looking at Night Hawk, Jukola, and 10 Mila videos. I have won the local night orienteering meet a couple times with much smaller lights. But I live where there is one night orienteering meet a year at best, and no one else had good lights either.
What smaller light do you think is good for running in the woods? I’ve been using mountain bike lights for headlamps for the past dozen years and can’t complain. They don’t feel to big. My girlfriend’s Petzl Nao and Reactik seem worse to me. The 18650 compact headlamps like Zebra, Skilhunt, etc. are heavier in front than my bike lights.
I am not a pro in orienteering, but I participate 1-2 times a year. Many people( who are professionals) use Petzel Nao and other petzl model. Several years ago this one was very good headlamp many people like. Now at night orienteering there are a lot of different models monoblocks with 1*18650 and with battery block at back of the head with n*AA , 1-2 *18650 . But no one is running around with 5000lm headlights for sure)I should have noticed them…
I see no graphs without cooling. All the same as in zeroairs review.
Here. It is from review above.
Ah ok ,but its dropping from 1250 lumen. And Zak’s review is for neutral white ~4500K
Yes, I’m familiar with Vaska and the fonarevka website. That was a very bright light. I know the designer passed away.
You haven’t been to meets like this below? I haven’t either, but I only raced locally. The whole front line is wearing LedX Cobra (5000 at the time, now 6500) and Swenor Lightning 4200 lumen lights. Of course the women’s leg was won by someone with a Petzl Nao. At the beginning of the video at the women’s start line, the lights are smaller. Obviously, the brightest lights are so expensive that only the most competitive or sponsored runners use them. But those 5000+ lumen lights exist because of night orienteering. That’s the sport that those lights were designed for. Of course most people don’t have that much money to spend on sport, so they use budget solutions like what you see, and what I use (bike light).
But according measurement in review there are only ~1000lm.)
Anyway thrunite do not ship it to Russia so I can not check it by myself)
Oh, it is interesting. I think it is short distance race. I participated in 20-100km orienteering.And there the lighter the better.
But may be above light are just expensive. 500$ it is about mean
monthly salary in Russia))
I’ve done sometimes more than 20 short orienteering competitions a year, but never as long as what you participate in, so I forget the long ones exist. In the US, long distance orienteering has a different and strange name, rogaine. I agree the big orienteering lights don’t make sense for really long distance, and they are too expensive for normal people. Especially since you can wear $30 (light head only) bike lights that can do over 1000 lumens continuous that are good enough.
Guys, thanks for the many replies. Here a bit more info about my requirements:
Currently I’m gonna google some reviews about the Nitecore HC35 and the Thrunite TH30. Considering how I’m gonna use the headlamp(biking), should these be able to sustain 1000+ lumens for 1 hour or more ?
A little more expensive, but the best… 