XXX: Modders Convention

[brettley]

i know this is a little off topic, haha, but what about multiple gears? like, so its not just a top out speed, theres a 2nd gear for it to go into =D

[BulletsRain]

Originally Posted by brettley

i know this is a little off topic, haha, but what about multiple gears? like, so its not just a top out speed, theres a 2nd gear for it to go into =D

Oh... So something like a 2 speed Nitro car.... that could be complicated, but the idea is cool.

[TripleXmodder(akaXXX)]

Someone with a good knowledge of the gearboxes and what ratio we would want....look through this chart. It has dimensions, gear ratios and all the info we would want... http://www.pololu.com/search/compare/60

[TripleXmodder(akaXXX)]

Sorry for double post...
What about making a rearend out of one of these, how would that be for a crawler.... http://www.pololu.com/catalog/product/1677

[tayyab]

texan used something like that for his DMX dragster. but dual motors isn't the answer. an xmod is so small by the time your done working out how to link that thing to the 4WD, there wouldnt be much xmod left plus the weight distribution would be waaaay off for a crawler...

Later, T.I.M

[TripleXmodder(akaXXX)]

Originally Posted by tayyab

texan used something like that for his DMX dragster. but dual motors isn't the answer. an xmod is so small by the time your done working out how to link that thing to the 4WD, there wouldnt be much xmod left plus the weight distribution would be waaaay off for a crawler...

Later, T.I.M

Well, ditch that... go to my post before that, and look thru those gearboxes on the link. They are all metal gears and small.

[brettley]

would there be a way to make more things work from the xmod controller? like take off the trim settings or something, and make that activate something else? like a gear shifting process? and just run it off of a small servo, and cut the electrical power to the main motor for a fraction of a second?

[zippo855]

well tex posted something up a while back, let me see if i can find the thread

well didnt find it here, but here it is
http://www.xmodsforum.co.uk/showthread.php?t=8275

and there are some others that i remember seeing that were for trains if i remember right, that could be modded to work. i dont remember the dimensions at the moment, but ill see if i can find some.

[brettley]

well could you rig the circuit board to activate that thing to swap gears mechanicaly?

[dreamingISdrifting]

Originally Posted by TripleXmodder(akaXXX)

Someone with a good knowledge of the gearboxes and what ratio we would want....look through this chart. It has dimensions, gear ratios and all the info we would want... http://www.pololu.com/search/compare/60

A motor between 80:1 and 120:1. 50:1 is too weak and 150: is too slow. Most crawlers run off 85:1 ratios. The problem with those is that the shaft is a 3mm D not a 2mm circle, BTW i am really diggin that ma10 knuckle design, very cool

[TripleXmodder(akaXXX)]

Originally Posted by dreamingISdrifting

A motor between 80:1 and 120:1. 50:1 is too weak and 150: is too slow. Most crawlers run off 85:1 ratios. The problem with those is that the shaft is a 3mm D not a 2mm circle, BTW i am really diggin that ma10 knuckle design, very cool

Ok, besides the D shaft... if these had a 2mm round, checkout the 1st gearbox on the list, and the Last one... they are both 100:1, however 1 has 320 free run RPM, the other 120 free run rpm.... and a few other differences in the last 3 columns of the chart. So if these had a 2mm round shaft which would be better.

2ndly, How would one of those work, mounted on top of a 130 motor (Like the Ver1 crawler)

3rdly, couldn't we just take a pinion and drill the hole out to 3mm, and put a drop of CA glue on it.... I think it would be very tight and stay on.... Or am I wrong.


** Glad your liking the MA010 knuckles.. it's actually a very simple set-up.. I will start work on the front knuckle adapters.... and then could you imagine the possiblities for wheels... we could use any MA010 wheels, which opens alot of options. The suspension is also greatly improved.

[zippo855]

Originally Posted by TripleXmodder(akaXXX)

3rdly, couldn't we just take a pinion and drill the hole out to 3mm, and put a drop of CA glue on it.... I think it would be very tight and stay on.... Or am I wrong.

lol, i told the guy if he got some 3mm ones i would buy them from him, i told him i would make them work. they have gnurled shafts, so ca glue wouldnt be needed, just drill out slightly and shove it on.

[dreamingISdrifting]

Originally Posted by TripleXmodder(akaXXX)

Ok, besides the D shaft... if these had a 2mm round, checkout the 1st gearbox on the list, and the Last one... they are both 100:1, however 1 has 320 free run RPM, the other 120 free run rpm.... and a few other differences in the last 3 columns of the chart. So if these had a 2mm round shaft which would be better.

2ndly, How would one of those work, mounted on top of a 130 motor (Like the Ver1 crawler)

3rdly, couldn't we just take a pinion and drill the hole out to 3mm, and put a drop of CA glue on it.... I think it would be very tight and stay on.... Or am I wrong.


** Glad your liking the MA010 knuckles.. it's actually a very simple set-up.. I will start work on the front knuckle adapters.... and then could you imagine the possiblities for wheels... we could use any MA010 wheels, which opens alot of options. The suspension is also greatly improved.

The reason why the rpm has its differences with the same gear ratios is that one is an HP (high-powered motor) and the other one is a normal motor, We want the HP of course, so spinning at 320rpm and putting that into the stock Xtruck gear box witch is like 6.21 or something like that you get a Fairly nice 51.5~rpm. (all off the top of my head)

If you used a normal 8 or 9 tooth pinion you would drill the whole thing into dust or if you drilled crikedly then you could possibly strip the spur., assuming we were going to use like a 15T or 20T and you wanted it mounted on top of the can you would need a 2mm rod or a dummy armature, glue a gear to the rear end (maybe another 15T or 20T gear), cut the end bell so it fits, and put a pinion on the other end and line up the motor so it meshes with the gear sticking out of the motor.

[brettley]

sorry, im just spitting out ideas here, but what about 4 wheel steering?! these cars can do 4wd with front steering, what about making all 4 wheels move and steer?! that would be beast!

[dreamingISdrifting]

I remember reading a mini-clod buster project on this site, forgot who its by though, he did have 4WS with huge tires, but the problem with that was that he was unable to keep the "pivot" or articulation of the truck. You should search it, it cant be that old because i am fairly new to this site too.

[TripleXmodder(akaXXX)]

Originally Posted by dreamingISdrifting

The reason why the rpm has its differences with the same gear ratios is that one is an HP (high-powered motor) and the other one is a normal motor, We want the HP of course, so spinning at 320rpm and putting that into the stock Xtruck gear box witch is like 6.21 or something like that you get a Fairly nice 51.5~rpm. (all off the top of my head)

If you used a normal 8 or 9 tooth pinion you would drill the whole thing into dust or if you drilled crikedly then you could possibly strip the spur., assuming we were going to use like a 15T or 20T and you wanted it mounted on top of the can you would need a 2mm rod or a dummy armature, glue a gear to the rear end (maybe another 15T or 20T gear), cut the end bell so it fits, and put a pinion on the other end and line up the motor so it meshes with the gear sticking out of the motor.

I can drill a pinion gear easily, Ive done it before many times. So, if we used the 100:1 with 320rpm, what pinion/gear setup in the motorpod would be best. And how would that whole set-up be compared to all the other set-ups so far.... If it is worth it, then I would buy one and set it up.

Originally Posted by brettley

sorry, im just spitting out ideas here, but what about 4 wheel steering?! these cars can do 4wd with front steering, what about making all 4 wheels move and steer?! that would be beast!

I would like to do this build... no time available now... someone should though. I think it would be pretty simple and would be a fun build.

[brettley]

well, thats with huge tires, and im assuming that makes it easier to make space, im thinking like, a compact one for like... and Xmod evo car?

[TripleXmodder(akaXXX)]

Originally Posted by brettley

well, thats with huge tires, and im assuming that makes it easier to make space, im thinking like, a compact one for like... and Xmod evo car?

I don't think it would have to be huge at all. I think it could be done at the stock F-150 length.


****What do you guys know about these motors. I actually have one, but haven't used it yet. I bought it awhile ago, just to see what it was about, and never did. Besides I wouldn't really have anything to compare it too.
http://cgi.ebay.com/Xmod-Evo-truck-o...item518fcff3f9

[dreamingISdrifting]

Originally Posted by TripleXmodder(akaXXX)

I can drill a pinion gear easily, Ive done it before many times. So, if we used the 100:1 with 320rpm, what pinion/gear setup in the motorpod would be best. And how would that whole set-up be compared to all the other set-ups so far.... If it is worth it, then I would buy one and set it up.

I would like to do this build... no time available now... someone should though. I think it would be pretty simple and would be a fun build.

Well I have never seen this type of gear setup inside another motor, but considering that we want a "drop in" design having the pinion and spur be the same teeth or having a 2or3 tooth difference would be the best. Because if we have the spur too big the end bell wont fit and if we have the pinion too big we will have to raise the motor brace too much, not to mention if we gave the already reduced motor a lower pinion to mesh onto another larger spur only to go into the gear-train again, the spur would probably strip if it got binded due to the tremendous torque of the motor.

Compared to other setups i have seen it would be a count of like 7 gears in the gear train compared to like the average 3 or 4, but the torque produced would just be tremendous.

[BulletsRain]

Originally Posted by TripleXmodder(akaXXX)

I don't think it would have to be huge at all. I think it could be done at the stock F-150 length.


****What do you guys know about these motors. I actually have one, but haven't used it yet. I bought it awhile ago, just to see what it was about, and never did. Besides I wouldn't really have anything to compare it too.
http://cgi.ebay.com/Xmod-Evo-truck-o...item518fcff3f9

I'd try it and compare it to a stage 1 with neos or something. I'm pretty sure I heard somewhere that those motors aren't that good. But, who knows, I just heard it, might not be the truth.