Which generator?




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  1. #1
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    Question Which generator?

    I am looking at a replacement for my cheap Chinese no-name generator, as it is far more hassle than anything else.

    Currently I have shortlisted the following two, but which is the right choice?


    1. Ryobi 7kVA Petrol https://www.makro.co.za/diy/ryobi-/b...rator-285367EA
    2. Mac-Afric 6.5kVA Diesel Silent https://www.adendorff.co.za/product/...nerator-220-v/


    This will be as a backup if/when Eskom drops the ball. The Ryobi looks similar to my old unit, but has wheels and key start. The Mac-Afric is diesel powered and comes with the housing to reduce noise. Are there any advantages/disadvantages for either one? Currently leaning towards the second one, mainly for the quieter operating.

    Main use will be to run lights, alarm, some appliances, etc at home.
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  2. #2
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    Default Re: Which generator?

    Personally if you have the extra cash the Diesel one is decent and partially silenced unit

    Far better for nice quite running than the Ryobi

    You can easily get it linked to your home and it is easy to use while silent and lower running costs

    Size wise you can run most of your house through that unit
    5KW would generally be allot to run most lights and normal things like TV's
    and your Fridge would generally use less than 300w

    Geyser pulls about 2Kw on average

    Oven and kettle pulls allot
    Oven average 3Kw for oven
    Each hot plate 1.5 - 2Kw

    Kettle 2Kw

    So if you want to use it with those leave the oven
    Turn off the geyser and then use a single hot plate at a time and you should be fine

    Leave air cons and so forth off
    Basically most items that uses allot of electricity is items that either makes things hot or makes large areas cold
    Last edited by Veneficus; 2018/06/13 at 11:03 AM.
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  3. #3
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    Default Re: Which generator?

    Go with the Adendorff Mac-Afric

    Ryobi is fine for cheap electrical garage appliances but in this case, if you load it to 6kW the smoke will come out.
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  4. #4
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    Default Re: Which generator?

    Diesel gennies are generally not a good idea for domestics use.

    1) 95% of the time it is running it will be at very low load which diesels don't like, this causes them to run colder than optimal causing premature wear etc.

    2) Diesel fuel goes vrot much quicker than petrol, so you might go 6-8 months without running it, and when you need it your diesel fuel is a bacteria contaminated jelly that is blocking up the entire fuel system.
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  5. #5
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    Default Re: Which generator?

    Quote Originally Posted by BluePaj View Post
    Diesel gennies are generally not a good idea for domestics use.

    1) 95% of the time it is running it will be at very low load which diesels don't like, this causes them to run colder than optimal causing premature wear etc.

    2) Diesel fuel goes vrot much quicker than petrol, so you might go 6-8 months without running it, and when you need it your diesel fuel is a bacteria contaminated jelly that is blocking up the entire fuel system.
    2 good points there
    Diesel genies need to run between 30% and 80% of their max load (higher is better in this range)
    otherwise you pick up issues

    and as stated Diesel gets old
    You can buy a filtering system and clean the Diesel regularly
    But that does take effort
    Other option is to not put Diesel in the tank except when needed
    And then removing it again afterwards

    Or alternatively draining the unit every couple of months and put in new diesel

    Or do a once a month 4 hour test run and then put in new Diesel
    Last edited by Veneficus; 2018/06/13 at 11:32 AM.
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  6. #6
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    Default Re: Which generator?

    I have a small Mac Afric petrol gennie to run the home office if the lights go out. Had it a couple of years now. It is noisier than I would like but it has been reliable for a little 1.5kw. I start it every now and again and then let it run dry. Adendorf also service if you require.
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  7. #7
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    Default Re: Which generator?

    Go for Petrol
    Size is good
    When running the gennie allow x1 element device as a time i.e. either kettle or plate or micro or geyser. Good for all other items in n typical household
    Investment into diesel not good enough ROI

  8. #8
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    Default Re: Which generator?

    If it's going to run often, go diesel. If it runs only when your Eskom is out, go petrol.
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  9. #9
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    Default Re: Which generator?

    Agreed. Go for petrol but also go for a proper brand such as Honda. Expensive I know but it will outlast enything available. Google Genpower
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    Default Re: Which generator?

    A Petrol genny will typically be a 3000RPM machine, and a Diesel machine a 1500RPM machine.

    3000RPM is horrible in the extreme from a noise point of view. And a whole lot of other points of view as well.

    Ardendorf import and supply cheap Chinese stuff. But they do it intelligently.

    I have a heap of their stuff. Hell ask me nicely and I will also post pic's.

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    Between those two, without a doubt the Mac Africa Diesel.

    In the bigger picture probably neither.
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  11. #11
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    Default Which generator?

    Honda or Yamaha inverter type.

    Honda: Genpower
    Yamaha: http://sagenerator.co.za
    Last edited by Gelšnde; 2018/06/13 at 04:00 PM.

  12. #12
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    Default Re: Which generator?

    I used to work on petrol generators, the stuff from China is all horrid.

    Save up some extra money and buy a Honda, EG6500CXS.

    A friend had the older Honda 6500, it had done 600 hours with one oil change, never missed a beat till it was stolen one night. He thought he will save some money and went to Adendorf and got a 5KVA diesel, regrets every day he did it.

  13. #13

    Default Re: Which generator?

    Iíd go for the Ryobi petrol.

    The diesel points above are good points and practical.

  14. #14
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    Default Re: Which generator?

    The Chinese have caught up with European manufacturing quality standards - like BIC lighters from France

    Once the tank is empty you throw it away

    Buy a Honda (or maybe a Yamaha) and have peace...
    Last edited by Dungbeetle; 2018/06/13 at 06:57 PM.
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  15. #15
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    Default Re: Which generator?

    Go diesel, they Consume < 2l/hr, so get a 5 l tank and refill as required, no need to fill a huge tank.

    Petrol is for short term spurts, diesel will run at 1500rpm 24*7*365 no issues.

  16. #16
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    Default Re: Which generator?

    Mac-Africa is a Chinese brand, imported through Addendorf.
    I have bought a few odds and ends over the years from them, but never a generator.

    But I did buy a ryobi generator from Makro a few years ago, and it works hard.
    It is noisy. The push button starter gives more hassles than what it is worth, and when the battery clamp vibrated loose, I removed the battery permanently.
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  17. #17
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    Default Re: Which generator?

    Never thought I would buy a generator, or even consider one. Now, after I got a Watsapp message from an Eskom employee, saying that they are forced to down tools, since this morning, and Eskom not allowing anyone or anything(such as spares) into their plants, and have already switched off power generating units at all their plants, has gotten me very concerned and serious about a generator(installed). But I am now confused by the other threads, as to which type, brand, size, etc I should go for. Please help me decide taking the following in to concideration:

    Swambo and myself, two gardeners, one domestic, and 2 toddlers, live on the premises.
    I have a gas stove and oven. The domestic/gardeners cottage also have a gas stove.
    I need to run 3 X 200L geysers simultaneously.
    All lights are LED, except for the 4 garages that have fluorescent lights.
    Swimming pool runs off one of those robotic cleaners, not sure huw much it pulls.
    Under floor heating is run off a 300L heat pump.
    The Estate we live in are not fond of generators, and even less about the noise and so-called pollution they create.(This might change once the situation turns to crisis level)
    Over and above what has been mentioned, also the electrical/electronic appliances used daily.
    And then, perhaps something that needs power, which I forgot about.

    Any feedback will be appreciated!

  18. #18
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    Default Re: Which generator?

    Im running a big diesel but need it for work every now and then.

    I will go honda invertor, very pricey, very good
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  20. #19
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    Default Re: Which generator?

    Quote Originally Posted by Beast777 View Post
    Never thought I would buy a generator, or even consider one. Now, after I got a Watsapp message from an Eskom employee, saying that they are forced to down tools, since this morning, and Eskom not allowing anyone or anything(such as spares) into their plants, and have already switched off power generating units at all their plants, has gotten me very concerned and serious about a generator(installed). But I am now confused by the other threads, as to which type, brand, size, etc I should go for. Please help me decide taking the following in to concideration:

    Swambo and myself, two gardeners, one domestic, and 2 toddlers, live on the premises.
    I have a gas stove and oven. The domestic/gardeners cottage also have a gas stove.
    I need to run 3 X 200L geysers simultaneously.
    All lights are LED, except for the 4 garages that have fluorescent lights.
    Swimming pool runs off one of those robotic cleaners, not sure huw much it pulls.
    Under floor heating is run off a 300L heat pump.
    The Estate we live in are not fond of generators, and even less about the noise and so-called pollution they create.(This might change once the situation turns to crisis level)
    Over and above what has been mentioned, also the electrical/electronic appliances used daily.
    And then, perhaps something that needs power, which I forgot about.

    Any feedback will be appreciated!
    3 x geysers = 3kW at peak
    say 20 lights @ 6W = 120W
    pool is probably 0.75kW
    kettles, microwaves etc are all pretty much over 1kW at peak

    I'd say a 6.5kW unit might do it, considering nothing starts up at the same time all the time.

    However, consider that my "3.5KVA" chinese genny trips when I run the microwave, I'd build in 25% fat and go for a 10KVA.

    (I must ask WHY a pool pump needs to run during a power crisis, but each to their own..........)
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    Default Re: Which generator?

    As said, honda or yamaha.
    Not anything chinese.
    BUT if you can get hold of a Robin, buy one immediately.
    If you live each day as if it was your last, someday you'll most certainly be right. SJ

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