Tomahawk ezycool 80L review

Submitted: Tuesday, Feb 02, 2010 at 12:22
ThreadID: 75702 Views:16332 Replies:9 FollowUps:8
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Many people that shop on ebay would have come across this fridge and wondered if it was all that the seller raved about, or if it was only a cheap piece of junk.
So, myself i did what most of us do and Googled it and found nothing very usefull at all. Then i weighed up the cost verse the risk and bidded on one and its here now.
Because the unit has a case that is used by other fridges, that use cheap, power hungry compressor; i figured the first thing i would do before i give the seller feed back, was to test it out fully.
The first step was to take the cover off the side and check out its compressor, condensor, control unit and how well it was made. To my surprize it wasn't to bad. The best part that impressed me most was that the MAKI compressor is driven by a DC Brushless motor. This means the motor will last up to 10 times longer than a brushed type motor and is about 15% more efficient.
Its very quiet in operation and the compressor also has a soft start. It will pull
6.5amps for the first 30seconds and drops to 3.7amps over the next 2mins.

I then went and did some tests.

With the ambient temperature @ 24c and the inside temp @ 25c on start up.

1) I set the temp. setting on the display to -13c - current drain 3.8amps
After 23 mins it was @ 5c - current drain 3.75amps
After 27 mins it was @ -1c - current drain 3.65amps
After 40 mins it was @ -13 - current drain 2.95amps

2) I then let it warm up to -4c and set the temp. to -4c to measure the duty
cycle of the compressor.
At the above ambient temp. the compressor was on for 8.5 mins and off
for 25mins. * These are averages. That is about a 35% motor on time.
3) With the fridge holding -4c @ 25c amb. Its average current drain is
3.5Amps. as stated.
Which averages @ 21mins every hour and 8.4hrs a day, compressor run
time. Thats about 29Amps/hour a day for operation.

All in all thats not bad. The biggest test will be to see how long it lasts and
if it will take a bit of rough treatment in use.

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Reply By: Sir Kev & Darkie - Tuesday, Feb 02, 2010 at 12:36

Tuesday, Feb 02, 2010 at 12:36
Do you have a link to one??


It isn't this one is it??


Cheers Kev
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He was presented with a difficult decision: push on into the stretching deserts, or return home to his wife.

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AnswerID: 402248

Reply By: matchbox - Tuesday, Feb 02, 2010 at 12:48

Tuesday, Feb 02, 2010 at 12:48
This one here.

http://cgi.ebay.com.au/NEW-80L-PORTABLE-FREEZER-FRIDGE-caravan-camping-fishing_W0QQitemZ260542686029QQcmdZViewItemQQptZAU_Sport_Camping_Hiking_Food_Storage?hash=item3ca98de34d
AnswerID: 402252

Follow Up By: matchbox - Tuesday, Feb 02, 2010 at 12:52

Tuesday, Feb 02, 2010 at 12:52
The link i put up is right and current, but it doesn't work. Search "Tomahawk ezycool" on Google and it will come up with and ebay link. Then check sellers other items to get a current one.
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FollowupID: 671715

Follow Up By: Member - Toyocrusa (NSW) - Tuesday, Feb 02, 2010 at 20:01

Tuesday, Feb 02, 2010 at 20:01
Try This Item number in the eBay search box. 230428447830

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FollowupID: 671806

Reply By: Member - TonBon (NSW) - Tuesday, Feb 02, 2010 at 12:49

Tuesday, Feb 02, 2010 at 12:49
This is what i love about this forum, people going out of their way to test and post findings on all sorts of different topics. Great stuff matchbox, thank you very much.
AnswerID: 402253

Reply By: Member - mazcan - Tuesday, Feb 02, 2010 at 12:59

Tuesday, Feb 02, 2010 at 12:59
hi matchbox
if its not a rude question how much did it cost you its mechanism is
interesting
but the real test will be over several days of travelling and the variations of the temps we experience in camping overnight and through the day time highs and lows of the summer 40plus deg -desert arena
hope you've crack a good one
cheers
AnswerID: 402254

Follow Up By: Member - mazcan - Tuesday, Feb 02, 2010 at 13:17

Tuesday, Feb 02, 2010 at 13:17
hi
it looks a bit like a reefer fridge but i hope it last longer
my neighbour had a reefer and it lasted 14months on bitumin rds and only used every 2-3 weeks for the w/end trips
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FollowupID: 671720

Reply By: matchbox - Tuesday, Feb 02, 2010 at 13:30

Tuesday, Feb 02, 2010 at 13:30
I end up getting it for a bit over $600 with post.
I know what you mean about it looking like a few other fridges on the market that have the same case. I looked a many of these in reviews and the results are not that good. In fact they nearly turned me off this one.
But this one stood out with its diifferent specs. and slightly different mods.
I tested the unit with an inductive DC clamp meter to get current readings and used an IR thermo probe for temperatures.
AnswerID: 402262

Follow Up By: matchbox - Tuesday, Feb 02, 2010 at 13:34

Tuesday, Feb 02, 2010 at 13:34
And by the way, i am going to give it a good work out before i trust it fully. At the moment i have had it running on -19c for the last 2 hours. This means the compressor is running all the time to keep it there. We will see hey!!
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FollowupID: 671723

Follow Up By: Fiona & Paul - Tuesday, Feb 02, 2010 at 14:50

Tuesday, Feb 02, 2010 at 14:50
Great info Matchbox and thanks for sharing the information, because you took an informed and well thought out risk I sincerely hope your faith is rewarded.

Sounds to me like you know your stuff, it's blokes like you that help us all out here and let us know how it all goes. We have an Evakool to ltr 12/240, it works fine under normal conditions but has it's moments when the temp goes above 39C so I will be very interested in your results here.

Regards
Paul H
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Reply By: Road Warrior - Tuesday, Feb 02, 2010 at 13:41

Tuesday, Feb 02, 2010 at 13:41
Thanks for taking the time and effort to do this. Interesting read, I too have seen these on Ebay (together with that 'Ironhorse' brand) and have wondered about long-term durability.
AnswerID: 402266

Reply By: Mr Pointyhead - Tuesday, Feb 02, 2010 at 14:06

Tuesday, Feb 02, 2010 at 14:06
Another thing to test is how consistent the temperature is throughout the fridge compartment. A problem I have seen with some fridges is that they will be freezing at the bottom of the compartment and 10-15 degrees at the top of the compartment, which is dangerously warm.

I guess it is a indication of the quality of the insulation of the fridge ..




AnswerID: 402271

Reply By: matchbox - Tuesday, Feb 02, 2010 at 14:47

Tuesday, Feb 02, 2010 at 14:47
Ok, got that one for ya too.
It has two storage bays. One is the main, about 50 Ltrs in capacity and the other the secondary about 30Ltrs; It is located over the compressor housing.

The Main one has the evaporator around it. I have set the temp. to -11c and let the temperature stabilize for 45mins.
The wall temps. are -11c at the bottom, -13 half way up and -11 at the top. All the sides only differ by 1c at most.
The other compartments temperature is at -1c at the bottom and 0c at the top. I imagine if the main compartment was set at -2, then the smaller compartment would be around 6c. A little high for dairy, but ok for fruit and veg.
By the way; the duty cycle is 50/50 when the fridge is set to run @ -11c.
AnswerID: 402280

Follow Up By: Scott C (Coolum - QLD) - Tuesday, Feb 02, 2010 at 17:37

Tuesday, Feb 02, 2010 at 17:37
Hi matchbox,

Thanks for the detailed report, post like this make great reading.

Cheers Scott
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FollowupID: 671780

Reply By: Member - TonBon (NSW) - Saturday, Feb 06, 2010 at 13:23

Saturday, Feb 06, 2010 at 13:23
Hi Matchbox, watching a couple of these on Ebay seriously thinking of purchasing. Any updates on the testing? Cheers.
AnswerID: 402955

Follow Up By: matchbox - Saturday, Feb 06, 2010 at 13:44

Saturday, Feb 06, 2010 at 13:44
I been running it at -2C and its efficiency is better over 24 hrs than my previous results. Average is 25A/hr a day.
Its been raining a lot, so the temperature hasn't got over 26C. So i haven't tried it in hot weather. Not that it gets much hotter here than 30.
They sell a lot of these on ebay. If anyone else has tried them in hotter weather; feel free to chime in:-)
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FollowupID: 672491

Follow Up By: Member - TonBon (NSW) - Saturday, Feb 06, 2010 at 14:05

Saturday, Feb 06, 2010 at 14:05
good stuff, thanks mate. it is certainly a tempting buy for medium term.
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FollowupID: 672495

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