![]() |
well i got my esc. about 1 1/2 months ago and it works fine:yes:, got luckey i guess, i just wonder why the newer ones dont work??
any way guess i will be running novak next season:yipi: hopefully it has a little more grunt, thats all it needs compared to the hv 4.5 that i have(had , its smoked right now:lol:) |
Quote:
|
Quote:
|
So has this issue w/ 14cells been confirmed then? I know of a couple reports, but is this def a widespread issue w/ the newer batches of controllers rather than some big assumptions being made about a few off controllers?
|
With all due respect, if coming out with this HV system (at a price any of you would be willing to pay) was that easy, Castle or Tekin would be selling them already. It seems that the Monster store offers quite a few super high voltage controllers--what's wrong with using them?
The upfront R&D and tooling costs for complete new systems is pretty high, and, at this time, the super high voltage market is pretty small. When, or if, some car mfg releases an 1/8th scale electric buggy things may really change. Quote:
|
Quote:
|
R&D is the killer, I should know since I work in such a devision. Tooling is the other cashcow.
|
R&D is a killer when you're designing something completely different. They already have the MPU software OK. I know this beacuse Videoton of Hungary sent me quotes for a prototype product and they changed the quote 8 times before they had it right, but this was for a new product. Now for products they already make, they might change for something compatible and that is it. I would like to see a system that could also run the sensored Aveox. Does Novak have their own engineers?
|
True that the cost won't be as great as designing something from scratch, but what will the cost be for creating an "enhancement" of a current product? 15-40K? Is the market big enough to cover that cost? Or could it be that they are playing the cat and mouse game with the consumer market...them waiting for a big scale electric RC to hit the market and then they'll follow with the electronics.
|
Each system requires new tooling for 2 multi-layer PCBs, case, water-"resistant" seal, heatsinks, packaging, instructions, art work, advertising The software usually needs to be updated with each new release to add new features---lipo cut-off circuitry, motor rotation, etc. etc.---so each system project starts from almost ground zero.
Then a number of prototypes need to be designed and mostly hand built. Then the beta units have to be tested. Most of the other sub projects don't begin until the board design is locked-in. Then all the parts for the project can be ordered---some with 8-12 week lead times. Novak has 4 engineers---5 really, but 1 is the Operations Manager. Quote:
|
NOVAK, IF YOU BUILD IT THEY WILL COME....IF YOU BUILD IT THEY WILL COME....IF YOU BUILD IT THEY WILL COME....
I saw a baseball movie of a guy who built this field in the middle of no where and guess what, they came. I wish I could remember that name of that movie. I'm pretty sure there are around 10000 people world wide that would buy such a HV system, specially from a company like Novak. Let say if your cost is $150 per system and you sell it for $350 that equals to $2,000,000 in profit. Better yet, does Novak post any financial information at all for investors? If so you can actually see the company's profit. |
Field of Dreams. Never saw it, but there has been enough talk about it that I remember it...
|
The only people foolish enough to invest in NE are the Novaks.
You have a charming misconception of the profitability of R/C electronics and other products. There is a reason why Losi, Associated and Orion/Peak have been aquired by bigger companies in the last few years. As soon as a company comes out with something new and exciting, it is only a short time before a Chinese factory manages to knock it off. |
Quote:
|
Yes, I understand your point. I do own a company, before this I worked as a stock broker and pitching to a client the profits of a company was the best way to sell the stock. Now I've been around electronics components since 2000 and some of the profits I make are out of this world. For example, I can buy ATMEGA8L-8AU for $0.65 for 500pcs. or less and $0.45 for 10Kpcs. and more, the IRFS3207 I bought from a US company for $1.75 (EXPENSIVE) and that was only 250 pieces and for 1000+pcs. that price would come down to $0.85 a piece. So I do have some Idea of the profits some companies can make.
|
hey lutach,
we here made a mistake not long ago to go with cheaper caps. Needless too say they blew up within minutes. It looked good on paper though, it reducing the cost per unit by 5 cents or so. |
Here is a funny thing that happened in 2002. I called Bob at Astro Flight to see if I could get some of his business. He asked me to quote him on a couple of things. He told me that there was no way my prices were that low. I even gave him NET30 of the bat and he still said no. I asked him where he buys the components from, he said Digi-Key. That blew me of my seat. So I told him the only people I know of that buys from Digi-Key are the small repair shops and people that are in a hobby and needs 2 or 3 parts. He never spoke to me again. I know that it comes down to the profit and every few cent counts, specially when you save that extra few cents on the same part that was bought from a different company.
|
Kinda odd that he never spoke to you again. Unless he really didn't want your business(he had a really good deal somewhere and threw you off by mentioning Digi-Key), or was just plain embarrased.
|
Quote:
|
Like I said Novak, If you build it they will come. I will get this one.
http://www.teamnovak.com/products/br...tor/index.html |
Put me in for testing.
|
|
I take it you have never met Bob B. from Astro Flight.....
Quote:
|
Quote:
|
Quote:
That's all I'm sayin' |
is there really a update on the way for 08, i hope so, i really like my hvmaxx but went with the wrong gearing :slap:
|
Replay From Castle Creations
This is a mail that castle creations wrote me on yestarday answering my questions about MM:
"The stuff about a change in the Mamba Max that makes it not work with over a 4s pack is not true. It has not been changed and it has always been the case that if you plug in a 5s pack there is a good chance that the ESC will quit working and be damaged. Some will withstand this and work OK on 5s. Either way they are out of warranty. There is no check that makes them not work on a 4s pack. Be careful with technical details presented as fact on discussion groups. The person that started this rumor has no contact with us and if we made a change like this, we would let people know. We do say that if the Mamba Max is used with 4s it is out of warranty but this is not an ESC limit, 4s will destroy our high Kv motors. The ESC is actually OK on 4s, but still out of warranty." |
Quote:
|
They should know that some fully charged NiCd or NiMH cells put out 1.4V+- and 12 cells at 1.4V= 16.8 and it is the same as a fully charged 4S lipo. I know some of us are no engineers, but it seems that some company's engineers need to go back and learn more. If I was the owner of CC or Novak and had to pay my engineer to make things work, he better do it. He gats paid for that. Like I said in other threads and forums, "What are you guys paying your engineers to do?" Have you guys seen the new crop of "CAR" BL controllers coming out of Asia? If the product is good, you know people will go for it.
|
Yeah, I've always said that 12 cells or 4s lipo is practically same:
4s lipo nominal charge @ 3.7v/cell: 14.8v 12 cells nominal charge @ 1.2v/cell: 14.4v 4s lipo "right off the charger" @ 4.2v/cell: 16.8v 12 cells "right off the charger" @ 1.4v/cell: 16.8v Manufacturers probably figure that a "good" lipo pack maintains a higher voltage under heavy load than NiMH. |
so maybe the people that this is not working for had bad solder joints or ?????
|
Or what indeed. We know the fets in use are different now- what are they rated for compared to the old ones? I would have thought though that changing the fets wouldnt stop it being 14cell capable, but changing something in the brains or programming would? 'Tis weird.
|
Yeah, I don't think just changing the FETs changed anything, but they might have done something at the same time that affected the voltage capability. Everyone says they didn't change anything, but I know for a fact they did change the FETs, so what else didn't they change?
|
From what I have been told, the 4s rating is out of warranty because the lipo packs keep a higher voltage over the life of the pack. This leads to more heat buildup, and the motors that Castle sells with the mamba max wont take 4s WOT either.
|
wow, im reall getting confused. Howd things go to novak and such?
Im planning to run a MM with a 8xl on 14-cells. so are hte "new" able to handle 14cell or will it just fry up like the earlier ones? |
Quote:
Andrew: From various reports, any of the newer MM ESC's won't work with 14 cells. You can try it, but might just get some type of error indicator. |
The earlier ones did "fry up." They worked on 14 and even 16...
|
This is for marketing, the MMM is to the point of be available, and this is for this reason that castle have modify the MM. Like that, the guys who just run 4s and was fine with the MM, could not take the MM, no choice to buy a MMM.
Maybe i'am wrong, but this is what i think.:eyes: |
| All times are GMT -4. The time now is 10:53 AM. |
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.