[TowerTalk] Low RFI Generator

[David Robbins]

i have an 18kw Kohler unit with auto start and transfer connected up to a 500 gal propane tank which also fuels heat, hot water, and cook top.  It does have some rif problems on 160m from it's battery charger and voltage regulator, but nothing that i am really worried about.  I just turn the battery charger off when someone is on 160m, if it is running when someone wants to get on 160m they'll just have to work around the regulator noise.   it will run the whole house plus 3 or 4 1500w amps.  startup and transfer time is only a couple seconds.

installation pics at: http://wiki.k1ttt.net/2010-Maintenance-and-Upgrade-Blog.ashx#Install_Generator



Mar 27, 2013 12:15:59 AM, fishflorida at gmail.com wrote:

I went through through an evaluation of fuel costs few years back using this data: http://www.nooutage.com/fuels.htm

Natural gas was the least cost alternative at just about half the fuel cost of gasoline or diesel fuel, which were close to one another. LP gas seems to cost more than twice what natural gas does, clearly the most expensive consumer fuel, therm per dollar.

There are a lot of reasons for fuel choices, as suggested by others, but the info combined with your criteria can help you make a choice that's right for you.

73,

Mickey N4MB

On Mar 26, 2013, at 11:13 PM, K8RI wrote:

> On 3/26/2013 10:02 PM, Wilson Lamb wrote:
> 
> There are a number of whole house systems available that run on natural gas, LP gas, diesel and plain old gasoline. Gasoline is probably the most inefficient and costly for fuel. Natural gas is the most convenient and economical to run, BUT it also depends on the mains and in large scale outages could be problematic.
> 
> I don't remember who makes/sells them but a whole house diesel running 15 to 25 KW with auto start and auto transfer would probably run less than 10 grand. They even start up and warm up either once a week or once a month.
> 
> I have a 10 KW gas unit with a manual transfer switch. It'll run everything except the air conditioner.
> 
> I've been thinking of installing between a 15 to 25 KW unit with either LPgas or diesel. The problem with natural gas is as more people keep adding them the supply lines aren't large enough. Availability in case of a major, long term outage could also be a problem.. OTOH they are probably the most economical to run.
> 
> 73
> 
> Roger (K8RI)
>> Not sure about size, but Onan makes some very quiet ones for motor homes...
>> WL
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