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-   -   New monster truck rules for world's fastest r/c challenge (https://www.rc-monster.com/forum/showthread.php?t=10079)

lutach 03.03.2008 03:20 PM

That's the thing, I have one battery under the chassis and it still lifted at a little over 45MPH.

snellemin 03.03.2008 03:27 PM

Got to work on the front downforce at highspeeds. Picking the right truck body is key. You could also make some louvers in the front of the body for air to escape that flows underneath the body, causing you to lift at higher speeds.

kulangflow 03.03.2008 05:20 PM

This vid shows what you guys are talking about. (Skip toward the middle to see the higher speeds with the 3s 5K pack.)

Even with weight strapped to the front end, it would still lift off the ground at high speeds. It even flipped on its back around 60 mph.

snellemin is on the right track with the downforce idea. I kinda quit on it once I hit 68.7 in my pede. I bet if I figured it out, I could finally break 70.

<object width="425" height="355"><param name="movie" value="http://www.youtube.com/v/XauByRV6fs8"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/XauByRV6fs8" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed></object>

JOHNNYMAXXIMA 03.03.2008 07:19 PM

Quote:

Originally Posted by aqwut (Post 152810)
I like the new rules...but I do agree it should be 4WD... What was the record last year?.. 5th scale size are allowed as well?...

Last years record was 72.something mph. 1/5 scale is allowed.

triggeraa 03.03.2008 08:55 PM

Quote:

Originally Posted by kulangflow (Post 152928)
This vid shows what you guys are talking about. (Skip toward the middle to see the higher speeds with the 3s 5K pack.)

Even with weight strapped to the front end, it would still lift off the ground at high speeds. It even flipped on its back around 60 mph.

snellemin is on the right track with the downforce idea. I kinda quit on it once I hit 68.7 in my pede. I bet if I figured it out, I could finally break 70.

<object width="425" height="355"><param name="movie" value="http://www.youtube.com/v/XauByRV6fs8"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/XauByRV6fs8" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed></object>


On the rustler/pede you need to mount an RPM wide bumper upside down This creates good downforce on the front eliminating front lift.

kulangflow 03.04.2008 09:10 AM

Quote:

Originally Posted by triggeraa (Post 152981)
On the rustler/pede you need to mount an RPM wide bumper upside down This creates good downforce on the front eliminating front lift.

Tried it. It helps a bit but not enough.

The next thing I'm going to try is a swami wheelie bar upside down. The wheelie bar wheels are just barely above the ground, so hopefully that will do the trick.

triggeraa 03.04.2008 09:30 AM

Yes, I currently have my wheelie bar upside down and low to the ground. The wheelie bar needs to be very strong as it will bend under force.

Arct1k 03.04.2008 09:49 AM

If a rustler VSL can do 70 I would have thought this could be broken with a tuned pede... Not sure if this classes as a MT in the truest sense though...

suicideneil 03.04.2008 07:19 PM

Valid point- the Pede just looks like rusty on stilts in my eyes...

snellemin 03.04.2008 10:50 PM

I prefer the newera skidplates and wheeliebars. They are a bit longer.

http://i189.photobucket.com/albums/z...r/DSCF2301.jpg
http://i189.photobucket.com/albums/z...r/DSCF2184.jpg

lutach 03.04.2008 11:43 PM

I'm going to take a picture of my skid plate tomorrow. It's not fancy.

snellemin 03.04.2008 11:51 PM

IT's ALIVE!! I got the ESC working again. Just ran it for 5 minutes with a little hacker motor and 2s2p A123's. I'll play with it some more tomorrow and see if it burns up again.

lutach 03.04.2008 11:55 PM

Quote:

Originally Posted by snellemin (Post 153244)
IT's ALIVE!! I got the ESC working again. Just ran it for 5 minutes with a little hacker motor and 2s2p A123's. I'll play with it some more tomorrow and see if it burns up again.

Is it the ESC that's on the Cheap "high voltage" esc thread? If so check out the pictures I posted there. http://www.rc-monster.com/forum/show...?t=9624&page=9

snellemin 03.05.2008 12:19 AM

shoot, I posted my response in the wrong thread ..heheheheh.

aqwut 03.18.2008 08:24 PM

I like the new rules.... so I should be able to run my RWD 1/5th Monster Truck without a problem... Too bad mine's not 4x4..


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