Short video of the Bomb-Proof Products truck!!!
 

Hi everyone,

I just made a few videos of the Bomb-Proof Products truck. One with 22.2v full throttle and the other with 36v not even half throttle. If only I had a center motor mount I could really do some real testing with the 44.4v. Hope you all enjoin this short videos. I will also be posting this in other forums.

http://www.youtube.com/watch?v=E9RQl91EnF8
http://www.youtube.com/watch?v=IdCDDd7ydJg

Nice!!!!!
A123 Batteries Soo BIG. How do you make them fit.
Any videos driving on pavement?

Wow, now lets see it on the street or dirt. I can't even imagine how fast it would go on 44.4 volts.

If I can get a motor mount made that will put the motor in the middle of the chassis, I can make the packs fit in there, but for now I can only do test it like that.

Are these trucks on sale yet?

Bomb-Proof still has parts to make them here is the e-mail racegrafix@aol.com. I'm going to modify the battery tray to fit the 22.2v lipos in the truck. I have to see if I can get a BK 3695 to run it. Hopefully Mike can see this and talk to BK to see if they can lend a hand.

Luciano, I'm gonna e-mail Mike tonight when I get a chance. He should be able to get it done for around $75 or so since 2 will be machined at the same nice.

That sounds really good.

I found a way to mount the 36v pack in the truck. I also took out the 22 teeth pinion and went with a 14 teeth one. If everything goes well with the 14, I'll switch back to the 22 for some speed runs.

Here is the pictures with the 36v pack in the truck:

http://www.rcpics.net/view_single.php?medid=84494
http://www.rcpics.net/view_single.php?medid=84493
http://www.rcpics.net/view_single.php?medid=84492

I just came back from doing a quick test run. The spur, pinion gears are fine. The front diff is fine, but the rear locked on me. The ESC and motor only got warm after a little over 5mins. of running. I'm thinking of installing a 16 teeth pinion, but I'll probably go with the 22.

Is it ballanced on each side of the chassis relatively similarly?

It is somewhat balanced. I couldn't get my video camera to work. I will see if I can borrow my friend's camera tomorrow.

New video of the Bom-Proof truck
 

Here is a short video of the truck in a small parking lot. I hope you guys like it. I'll make a new one, but with much more space.

http://www.youtube.com/watch?v=-yrzb2EYsug

Those phaltline tires seem to have good grip on tarmac.. Good to know.

It looks pretty quick :)

Yes Serum, they do grip well. I was also surprised. Here is some other videos.

http://www.youtube.com/watch?v=9330XxFGth0
http://www.youtube.com/watch?v=OdgIBhSsDts
http://www.youtube.com/watch?v=Asfh28Y6So4

Hope you all like it.

Soo sweet!!! Got to love the power!
Nice vid.

Power is good, but I still have to wait until I test the truck with 44.4 volts.

Nice video dude... where the wheels spinning a lot on the parking lot... I'm pretty sure you can push more power and speed out of 36 volts... good job though... put some big wheels back on there :)

The tires have alot of grip, but it seems to spin a bit off the line.

I just installed the buggy diff cases on the truck. I heard the they have a 3.3:1 instead of the 4.3:1 that is on the stadium truck. I hope this helps in gainung a little speed.

New video with the 3.3:1 diffs and things went a little wrong. The truck swerved to the right and it hit the curb. After that happened I checked the truck and everything looks ok with the truck itself, but when I tried running the truck again it kept cutting off.

http://www.youtube.com/watch?v=sTQwd-9rW4o

Luciano, I finally got a e-mail back from Mike about the center diff holders. PM me or e-mail me if your still interested in one.

I can't wait to have it done so I can mount the 2 36 volts pack and balance the truck out a bit.

Nice video dude, It looks like she didn't even reach top speed before she kissed the curb.. very fast.. watch out for the little girl..

It didn't reach full speed, but nothing broke and it basically shows how tough the truck really is. My daughter was on top of my truck with her uncle. She love watching the R/C cars. She has her own Micro T.

good thing you hit it on an angle... I'm surprise there's no damage.... that's one hell of a tough truck then.. I'm always breaking parts on my maxx...

I drove the truck today for around 10mins. and it still cutting off. I will calibrate the controller again to see if that helps. I did some speed passes, hard braking and to my amazement nothing was too hot.

maybe it's ur battery?... or some kind of voltage cut off?.. what esc are you using again?

It is a Kontronik 3SL 40-14-32. It actually was my fault. I changed the EPA from 100 to 125 on my JR radio. Now it is working fine. Man I have to take my hat off to A123, the pack is incredible. I drove the truck for around 10mins. going from almost full throttle to brake a few times and the packs had alot of puch to them. When I got home I checked the voltage on them and they only went down to 33.64 volts. That's after 10mins.

can you really charge that a123 Pack in 15 Minutes?... ur using the 2300 or the 4600 mah pack?

I usually use the original charger to charge them to 36 volts and then I use my Astro 109. I charged them at 5amps and they seem to take it with easy. The pack is a 10S1P.

Today I blew the capacitor on the esc. The truck ran strong for around 5mins and then the capacitor blew.

New pictures of the truck. Now it has a 3695/MicroCar, Hacker ION-X motor and 2 36 volts packs in parallel. I will make a video of the truck running with the 16/65 gear and then I'll make one with the 22/65.

http://www.rcpics.net/img/84906
http://www.rcpics.net/img/84907
http://www.rcpics.net/img/84908
http://www.rcpics.net/img/84909

Lutach,

Dual 36V packs?

I'm impressed and scared at the same time! LOL!

I did run it for a little bit. The truck coggs at low end, but then when it gets moving it is kind of scary.

Is the power "out of control" ?

Seems like it would be outrageous to me.

It has a ton of torque steer. The packs are on the left side and when it goes it wanders to the right.

I guess that's not surprising really.

Crazy project! Fun to see!

I just came back from a quick test with the 16/65 gears and decited to put the 22T pinion back in. The truck is fast with the 16T, but I need to go faster. I also ran the truck for 15mins. to see if anything would over heat. The controller was warm and the motor was just a bit warmer than the controller. I'm now charging the packs and after 15mins. they still had 33.45 volts left in them.