Brushless Motor Forum v1.0 - Page 5

k_sw31 · #**101** 08-14-2002, 01:35 PM

sorry whoknowswho, but you wanted a link, anyway, just so you know its sorta hard gettin info by e-mail out a the guy, it usually takes him a few day to respond, and i had to send him about 5 emails to get the right info outta him.

nice job soya, how'd ya snap a dogbone like that? Have ya put it in your bolink yet? How your friend get the bl setup workin?

Promod · #**102** 08-14-2002, 01:38 PM

Yes the Hacker b40s,b50s,b50L, and b50XL all have the same mounting holes.
I have one B40s, three B50s, and two B50LX. The only one with the flat spot on the shaft is the B40. I don't know if you could get the others with the flat spot.
Its really know big deal. You can just grind the spot on. I use a belt sander to do it. I have also just put the pinion on like normal and had no problems. I know some people put them on with lock-tite but they are a bear to get off.
Thank you,
Promod

#**103** 08-14-2002, 02:35 PM

Does anybody know if my Master 70 is supposed to have brakes?
That dogbone was from the E-maxx. Haven't had time to put it in the Bolink.
Yeah, I guess I'll either return it for something else, or make a brake system in 3 days (I have a deadline

), or maybe even use a T-maxx tranny....

crono man · #**104** 08-14-2002, 02:49 PM

just return it man not worth the hassle and get yourself something more car specific if you can.

#**105** 08-14-2002, 03:53 PM

Yeah, I suppose. Just broke the rear universal, so I'm going to drop the BL in my rally. We'll see how that works

DamianD1 · #**106** 08-14-2002, 05:11 PM

The standard Hacker Master does not have proportional brakes. It was designed for airplanes or boats. Hacker is supposed to have a new controller designed specifically for cars. It is called Master Car controller but I do nt have any info about it.

Popop · #**107** 08-14-2002, 05:27 PM

This thread goes fast !!!! Time to open a new forum !!!!!
Quite hard to follow evening after evening !
Interesting things to read too !

The completed car along with the Flash40/60A electronicmodel controller and ordinary Rx stuff ...

This is the other side : 8x 1250mAh pack soldered in line with a T iron ... The all weights 1403g ...

To Cronoman : This B/L was formerly bought for Direct drive on aerobatics Airplanes but was also used on my TGX (directly as a central shaft !) ... Its Kv is not very common for that type of application : It's 2000rpm/v and it's impossible to make turn manually when manipulating the central shaft ... the pinion gear itself is very hard to turn ... So my fears concerning the plastic gear teeth ... (I still have not tested it today ...

... already too many things to do)

Bye

crono man · #**108** 08-14-2002, 06:21 PM

wow

popop that car just looks like a rocket ive got a feeling its going to be really fast

k_sw31 · #**109** 08-14-2002, 09:42 PM

nice ride popop, but even with 8 cells, won't it have about 16000 rpm (i think) what controller r u using?

crono man · #**110** 08-15-2002, 12:38 PM

hey guys have a small question for you..

lets say i get a hacker b40s 6s rated at 7100rpm/v(the pack used is 6cells) and a orion esc which is rated at 55000rpm limit..

now the cells peak at 1.55volts(1.55x6=9.3) which mean 7100x9.3=66030rpm

that exceeds the esc rpm limits of 55000rpm which means i will not be able to use it?

are my calculations accurate?

thanks for any input

DamianD1 · #**111** 08-15-2002, 01:07 PM

You are making one mistake. The cell peaks at 1.55, but under load, they will not give you more than 1.2 volts, so you should consider that the pack is 7.2v max for 6 cells, so max RPM would be 51120. But even then, that is max RPM under no load, so when you run the car under real conditions you will get far less than 50000 RPM.

crono man · #**112** 08-15-2002, 01:24 PM

ahhh thank you damianD1 happy to hear that!this means the 55000rpm is more than enough for any type of motors(as long as stay with 6cells).

Promod · #**113** 08-15-2002, 02:08 PM

Hi guys I thought you would like to see a few pictures of my E-maxx. I run a brushless motor and 24 cells. This truck has been clocked at 68 mph.
Thank you,
Promod

http://www.printroom.com/ViewAlbum.a...album_id=92470

crono man · #**114** 08-15-2002, 02:18 PM

check out this chart it shows the rpm/v,resistance etc of almost all BL motors-->http://www.motocalc.com/data/motor.html
hope it helps

crono man · #**115** 08-15-2002, 02:21 PM

that thing f@$#@ nuts it looks like a cross between a 1/8off road car and a e-maxx..

one word promod..WHERE IS THE VIDEO

k_sw31 · #**116** 08-15-2002, 02:59 PM

heres a setup, hacker b40 4s, at 8400 rpm per volt, 24 cells= 241920 rpm.

crono man · #**117** 08-15-2002, 06:12 PM

hey guys any of you have experience with lehner micro 18 series esc?what do you think of them for car use?

SandManRacing · #**118** 08-15-2002, 06:26 PM

The controler is limited way before 200000 RPM. And on load the motor won't reach this speed. But if it would, the car would fly !!!

Bye

crono man · #**119** 08-15-2002, 06:33 PM

hey sandman where did you get that program?

SandManRacing · #**120** 08-15-2002, 06:38 PM

It's called Easy-RC.

You can get it at: http://www.easy-rc.com

The software as a lot of features but they don't all work very well. I think their web site is in construction right now. So you won't be able to download it for a while

Bye !

#**121** 08-15-2002, 08:53 PM

I can't find the invoice or the box the ESC came with. To put it bluntly, I'm @%#&'ed

k_sw31 · #**122** 08-15-2002, 09:39 PM

just use the rc calculator at http://www.radiocontrolzone.com/cars...lator.asp#calc

[IMG]rc calculator[/IMG]

any ways, w/ a 5.4 to one FDR it would do about 440

James Bong · #**123** 08-15-2002, 09:40 PM

Well here is my Aveox RC7 w/L360RC controller in my T3..to be short and to the point, - it kicks a$$!! The torque is incredible, I took 3rd last weekend without dialng in the car. On the inside switchbacks, the acceleration is almost "1/8" like.
Try this:

I run an 18/66T and have punch to spare...I'll still lift the front wheels exiting the lead on turn to the straightaway on the dash to the finishline, at the end of a 4 min. heat.

k_sw31 · #**124** 08-15-2002, 09:48 PM

nice, what kind of runtime do you get?

oh yeah, does that esc have reverse, if it does, does it have reverse lock-out?

brittonlj77 · #**125** 08-15-2002, 09:55 PM

What is the ruling on these motors where you guys race?

I'm doing to get this setup but fear being ostricized at the track! Even if it is just club racing, it's the only game in town here.