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 > Your search for posts made by 'NinerBikes' found 1538 matches.

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RE: Power Center/Converter 101

Breaking News, WFCO insists their 3 stage only uses 2 stages and actually only 1 to charger, bulk is rare!!! http://wfcoelectronics.com/wfcos-three-stage-converter-handles-every-charging-need-for-your-rv/ I read the press release. Is this good, bad, or a lie? It's good if you park at a pedestal at a paid RV park. It's bad if you dry camp alot and charge your battery off of a Generator. Travel trailer companies seem to think us folks in small travel trailers seem to be willing to pay 35-$75 a night for one person to stay overnight in an RV park, which I find rather retardead, myself. I bought the TT to save some money, keeping me out of expensive overnight lodging. The RV parks are for the motor home and 5th wheel crowd hauling the wife or the whole family, where value is added for being less expensive than a suite or two rooms. Hence the Travel Trailer crowd, as well as the boondockers and dry campers, have completely different battery needs and charging requirements and set ups from the RV park and pedestal crowd, which is who the TT builders build for. The rare times I pay to go to the RV park, I feel an inferiority complex with my little 21 ft travel trailer compared to all the behemoths sucking off the 50 amp outlets with all their multiple push outs, like I don't belong there, I'm dragging down the property value or something.
NinerBikes 08/29/15 09:56am Tech Issues
RE: Power Center/Converter 101

edit double post
NinerBikes 08/29/15 09:56am Tech Issues
RE: Power Center/Converter 101

Lord help me, I shouldn't post or edit before my 1st cup of coffee in the morning. :S
NinerBikes 08/29/15 09:55am Tech Issues
RE: Power Center/Converter 101

edited, double post
NinerBikes 08/29/15 09:54am Tech Issues
RE: Power Center/Converter 101

...For dry camping, despite being labeled only 30 amps, the Iota DML 30 with the 14.7V cable installed is a better unit for quickly getting your batteries charged up, without overloading your Eu1000i.. I searched for DML30, but could only find Iota DLS30. Is there a difference, or is the DLS a newer version? Which of these would better suit my needs? http://i235.photobucket.com/albums/ee299/mitch5252/FunFinder%20and%20Travel/Iota.jpg Here's the link to the web page: http://www.iotaengineering.com/dls30.htm MY mistake, DLS 30 it is. You would prefer the IQ4 version. When you plug it in, you want the light blinking rapidly, urgently, to indicate it is charging in bulk mode, 2.466V per cell rate. This is when it's on your Honda Eu1000i. Another side note, start your generator up and let it warm up a bit for a couple of minutes before you plug in that Iota or PD 9245... gotta let things warm up a bit and get lubricant up to operating temperature before that little Iota starts sucking a possible 7.4 amps out of the Honda's 7.7 amp capabilities at startup. Pretty normal for the generator to get a much louder exhaust note and labor under the load initially. Keep your motor oil clean and change it regularly also, that charge controller is going to run it pretty hard while charging your battery.
NinerBikes 08/29/15 09:37am Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

I wouldn't call it a non-issue until you've verified the output has no excessive ripple. You can't see that with a dc meter. You need a scope set to ac and 200 mV/div. If that's flat, THEN there's no problem. I am going to assume max ripple at max watts. Some data was provided except for your thoughts regarding max permissible ripple in relationship to near perfect <2.0 MV. You wrote you specialize in power supply design. So surely there must be a worry-point with regard to ripple on this section of the circuit. Yeah I have to play 'Fraidy Cat because of where I live. In theory a strong bolt of nearby lightning can influence a hypersensitive circuit. So call me chicken. It depends on Salvo's answer. Max mv ripple permitted. Might as well buy a couple of meters of shielded pair wire. Don't forget Niner your plastic rheostat itself is a coil subject to inductance. I have seen bad juju results of circuit resonance ringing and I ain't too keen on shortcutting and getting whacked by an inside straight. I've no idea what you're saying about shortcuts , getting whacked by an inside straight. Have to put it in laymen's terms for me Mex, not type in hyperbole. I don't camp and run the generator outside when it's raining and I hear thunder in the distance. It gets shut off and pulled inside, out of the rain. Very basic rule of thumb for me. Portable Honda means it's under constant supervision by me when charging, lest it grow legs and walk off. So I tie flys or what ever for an hour or so if necessary, while the megawatt does it's thing.
NinerBikes 08/28/15 11:04pm Tech Issues
RE: Power Center/Converter 101

mitch I think has a single battery. If she is willing to start the generator for any heavy loads--such as a coffee pot, then solar can pretty much provide the RV with all the energy she needs during the day. I think I read somewhere before that she was camping in heavy forest in Oregon or Washington in the evergreens and shade.
NinerBikes 08/28/15 10:54pm Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

I don't think 105 to 108F temps helps the head pressure on that AC compressor one bit. Was it locked up, or was the fan belt slipping? Is it a variable volume valved compressor on the Honda AC?
NinerBikes 08/28/15 10:07pm Tech Issues
RE: Power Center/Converter 101

1) The trouble with WFCO is that it rarely or never switches to boost mode. You need boost mode to charge a battery in reasonable time when using a generator. The Progressive Dynamics converter will generally go to boost mode when expected. If not there is a pendent to allow manual control. Another option is IOTA converter that starts in boost every time power is initially applied. Boost mode is about 14.4 volts and lasts about 4 hours. Normal mode is 13.6 and is very slow. 2) Yes 30 to 40 amps will work great with your RV ( and most every RV for that matter) Actually you are limited to about 40 amps rated with the Honda 1000 to prevent overload. If your 55a works now it is because it is stuck in normal mode slow charging. So with Honda 1000 the smaller converter is preferred. Even if you get an additional battery the smaller converter will do fine. 3) Yes due to the higher voltage the small PD or IOTA will charge faster (better) than the WFCO. 4) Can't say for fitment but I believe the PD9130 & PD9140 are shaped such that they will not fit in the WFCO slot. Need a PD4635 or deck mount the 9130/40 and run the wires in the back to connect. IOTA 30a should fit in the slot. 5) The wire will be just fine when going to a smaller converter. BTW the oversize 55a is put in because it is maybe $10 extra and looks good on the brochure against the competition. love your spirit to get in and improve this stuff. What smkettner said. I own a Honda Eu1000i, and I've owned a PD 9245 45 amp charge controller, with the pendant. It's limited to 14.4V. For dry camping, despite being labeled only 30 amps, the Iota DML 30 with the 14.7V cable installed is a better unit for quickly getting your batteries charged up, without overloading your Eu1000i. If you prefer something more manual hands on, do a search for Megawatt or Meanwell in the tech section. It's also less expensive. Your issued 12v battery (ies), you will find in the near future, are not really up to the job of providing power for dry camping needs without sulfating badly in short order. You may wish to replace with 6V GC-2 batteries wired in series for 12V when your original battery calls it quits.
NinerBikes 08/28/15 09:49pm Tech Issues
RE: Hydrometer reading questions.

If your experiences mirror's others here, you'll find out how hard it is to equalize charge one of these batteries and get the SG up where it belongs, at about 1.275 or better for all 6 cells. Pretty sure you have sulfation with SG numbers like that. A few equalization charges, and you may just shorten the learning curve and get some real deep cycle batteries, the 6v kind, instead of these imposter deep cycle cells.
NinerBikes 08/28/15 07:11pm Tech Issues
RE: MegaWatt charger box ideas.

Meh, mine is just going to get installed somewhere in the storage area in the front of my Travel trailer, under the bed.
NinerBikes 08/28/15 06:45pm Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

Randy ducks out, this is way over his head and pay grade, but he will pay attention to information to be learned and gleaned.
NinerBikes 08/28/15 04:18pm Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

Non issue Jeff, don't think it will have any noticeable effect that I might become aware of on that AGM battery. Probably will be just fine, sans Belden 9451 shielded 1 pair cable.
NinerBikes 08/28/15 01:17pm Tech Issues
RE: Ford Superduty battery and charging issue

And how is rewinding an alternator much different than when I used to rewind the armatures of the electric motors of my early day slot cars as a kid, for lower resistance and ability to take more amps and create more torque? Just asking, I'd think the principles are related. When a good friend of mine, doing elevator renovations needed a big motor rewound, the job always went to Little John's, I think over there by Paramount, CA and the Farmer John's pig farm /butcher shop.
NinerBikes 08/28/15 12:39pm Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

Nice clean job! Just hope the electrical signal is as clean. The pot is connected to the error amp within the PS. This is the most sensitive portion of the PS. Any noise introduced to the input of the amp (from the long pot cable) can be increased by a million from the error amp. It's a good idea to hook up a scope (perhaps on ac setting) to the output. Any difference in waveform when holding the pot? How about using individually shielded twin conductor cable with a braided sheath to minimize the error amp sensitivity? The braided sheath of course being connected to earth ground within the device... Uh, yeah, who is buying this double shielded individual twin conductor cable, and would you send me a 12" sample, por favor? As a power supply for a ham radio, OK, I admit the design may have been compromised, but as a battery charger?
NinerBikes 08/28/15 11:52am Tech Issues
RE: Solar suggestions

I run 3 100 watt panels parallel, w/ a solar 30 controller. Works great. I wouldn't run series, if no other reason, if any part of any panel get shaded, you will loose a lot more than parallel. What is your preferred adjustable setting for voltage on your Solar 30 charge controller?
NinerBikes 08/28/15 10:15am Tech Issues
RE: Ford Superduty battery and charging issue

I forget if it was Nippon Denso or who it was that made the alternator in my 1987 Toyota SR5 XtraCab 4x4, but at 195k miles, the alternator stopped charging. A trip to a Napa auto parts store, $3.50 in a set of new brushes, pulling off the alternator, a soldering iron and some new solder, and I was up and running again in about an hour. Cleaned up the commutators with a pencil erasure, and a dental pick between each commutator to clean out the gunk, and called it good for another 195k miles. This was when I was younger, and very much more mechanically inclined.
NinerBikes 08/28/15 09:53am Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

How come the input wires are backwards? Shhh!, It's lamp cord, and I am dyslexic, I plug it in backwards at the Honda Eu2000i also, which has no ground either! :o Actually, it was a pop quiz test, to see who was paying attention and who was asleep in class.
NinerBikes 08/28/15 09:35am Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

Nice clean job! Just hope the electrical signal is as clean. The pot is connected to the error amp within the PS. This is the most sensitive portion of the PS. Any noise introduced to the input of the amp (from the long pot cable) can be increased by a million from the error amp. It's a good idea to hook up a scope (perhaps on ac setting) to the output. Any difference in waveform when holding the pot? I would need to have SCVJeff find the time for me to come back and do a reading on that, as I am almost certain he has the equipment available to measure it in his shop. BTW, I'd like to share something rather interesting about the LED light that SCVjeff is showing up above. It has a very interesting feature, in that it will run on 9V input voltage and still light up. What that design means is that even if you pretty much killed a cell on your battery, or got it down in voltage pretty low, you'd still have light in your rig coming from that LED. I also believe that Jeff said that the lamp draws 300mA also. Perhaps Jeff will share more details about his plans with the lamps and dimmers in his Motorhome, although he did say he'd come across some design problems in the dimmer, in being in DC and functioning on the negative side of the circuit, the ground side of the 12V system, not the positive side. I'll let Jeff elaborate on the LED as he sees fit.
NinerBikes 08/28/15 09:19am Tech Issues
RE: Rogue MegaWatt 30Amp bulk charger.

Geeeeze..... Someone call Housekeeping and clean up that bench Hey, we found everything, there aren't any screws missing, not like it vibrates or needs any blue loctite on the fasteners. Now about those new LED's and dimmers... BTW, I must admit, there is a very imperceptible fine line between a Ham Shack and a work bench, which, to the untrained eye, has all the same darn tools on it most of the time, shared in common.
NinerBikes 08/27/15 10:47pm Tech Issues
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