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Australia, QLD, Burua
Joined Jul 2012
1,460 Posts
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Quote:
I use buggy pads which give more bite In one bike and with that bike I have the mix set at 60% so no need for more servo torque. Oh I also use the hole in the servo horn nearest to the centre, this gives more torque also. |
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Australia, QLD, Burua
Joined Jul 2012
1,460 Posts
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This is how I set up my brake. The inner cable is pushbike brake or gear change cable with a buggy antenna tube outer.
http://www.rcgroups.com/forums/newat...ach&p=23273912 |
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Australia, QLD, Burua
Joined Jul 2012
1,460 Posts
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Hope this works.
http://www.rcgroups.com/forums/newat...anageattach&p= |
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Quote:
I know you've mentioned it before but the img of your brake has something different holding the cable to servo horn, what is that again? Since on the subject of braking Chris, have you experimented with the ABS braking menu. I want to try messing with that sometime. |
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Australia, QLD, Burua
Joined Jul 2012
1,460 Posts
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Quote:
You have to drill out the calliper red alloy pad actuator slightly to fit the bike cable. I use a jet drill for carby jets on real cars. A shock piston hole drill would be about the right size. |
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United Kingdom, England, Ware
Joined Aug 2012
168 Posts
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Just an advance warning to anyone in the UK ordering the E Gyro conversion ditectly from Atomik
Their delivery was 100% with the goods being delivered via FedEx about 5 working days after placing order . About 10 days after delivery expect an invoice from FedEx for £28.58 made up in £18.08 in VAT and £10.50 charges from FedEx ![]() Must add I gave up trying to get an answer from the desginated local agent ,CML, if they were going to be in the position to supply let alone a pricing structure but Atomik were tops . ![]() Its only money and can't take it with you I suppose ![]() Cheers Jim |
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United Kingdom, England, Ware
Joined Aug 2012
168 Posts
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Quote:
Have been playing around with settings etc for a while and while not looking for a locking of front wheel I still feel it is not perfoming 100% I purchased the bike with the brake installed but the cable section missing . Following a suggestion from a forum question tried the cycle cable but seemed to find it was sticking in places . Resorted to using some thin stainless fishing leader wire in the antenna tubing and it appears to be doing the job .No indication of the inner giving at all . I presume you are still using the original Venom Tx with the brake servo working off the AUX channel . The sliding switch has two positions being Off and AUX where I get servo movement (via the trigger ) in both positions . My concern is I have set everything up in the AUX position but if in error the slide switch gets moverd to the Off position the servo tries to move to an entirely different idle position so either moves anti cllockwise and jams or clockwise and stalls on the cable .I have put a small spacer in the slide swith to prevent this occuring but is this a standard issue or am I doing something wrong . Despite the cable set up being very free I felt it was not getting sufficent 'pull' and put this down to either very limited servo movement or the servo not having sufficent torque to pull up the final few degrees . Fitted another servo (steel gears) of approx 2x torque to the Venom supplied one where it made a small differance but still feel it prehaps needs more movement compared to actual torque . Will try your suggested settings this weekend where I have the feeling I have already something similar in the past but will go back to basics and start over again . You made mention of buggy pads and am I right in you are using their friction material fixed to the original back plates or the entire set up just modified to suit the venom carrier . Final one is after fitting the E Gyro did you find it has made a noticable differance to the rear braking effect of not ? Hopefully there may be a light at the end of my current brake tunnell and not another freight train coming the other way . Cheers Jim
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Australia, QLD, Burua
Joined Jul 2012
1,460 Posts
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Quote:
I am using all std radio gear. If you move that aux switch it will cause the servo to do what you are describing. In regards to the amount of travel the max amount will be with it set at 120% on the brake mix. Also 120% on the EPA. I don't think the low end affects the travel but may stand corrected. I try to set that at as low as possible and adjust the cable up close. Make the final adjustment and as the pads wear with the low end. Make sure the calliper pads float free and can move easily, if the calliper isn't working well it can give bad braking. The buggy pads I use are just contact adhesive glued to the plates, they don't even use the holes and never come off. Depending on how thick the pads are you can either grind down a little pad or cut the plastic backing plate off and use washers on the slide bolts to allow enough room for the disk to move freely. Make sure to mount the cable close to the centre of the servo. This will give more leverage although less movement but if all is set up you don't need much movement. You want the front brakes to start applying as soon as you start to touch the brakes. In regards to braking comparing the two gyros the e gyro obviously has better braking as the mechanical one relied on braking to disengage the clutch. So even with the 4200 motor I run my EPA adjustment at 95 % for the brakes to reduce locking on dirt. On grass you might want full brakes. The light is there Jim and it is bright and no it isn't a train lol. Hope this is some help. ![]() http://www.rcgroups.com/forums/newat...anageattach&p= |
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TURNIGY TRACK STAR ESC for the Venom450
Thanks Chris, for finding this ESC!
Due to excellent service from Hobby King and USPS I got a Turnigy Track Star 120 amp ESC in only 3 days! A 120 amp FOR 53 BUCKS. My Venom 80 amp esc was acting goofy, intermittent hesitation, brakes locking up for no reason, iffy steering response prolly due to low voltage(?). The throttle glitches (sticking wide open) was putting the bikes health in danger, so I decided to change out the ESC before a major wreck occured. I went with the Track Star mainly because of price, but I has most of the same features of the high dollar units but at less than half the price, So I soldered it in , programmed the reverse out of it (I should mention here that you can program it without a programming card ($7.00 and change), which I was sad to see they had no stock at the USA warehouse so I had to order it from AUS.) The programming chimes/lites didn't match up to the instructions exactly, but I managed to get reverse turned off finally.The card makes programming a piece o' cake I have read. Now after the first run with it I see the low voltage cut off is wrong so I need to jump back into the "chimes and lights" again. ![]() Now the good part: Ran for 15 solid minutes with no throttle hesitation, brake issues, or steering problems - so far. Motor and battery were quite warm (expected), but ESC was cool. I may try removing the fan to see how warm it gets without it. The heat sink/fan sit about 4mm's higher that the stocker too. The Trac Star is 4/5mm's longer ( but actually has a smaller footprint due to the capacitors are integral to the main unit ) than the stocker so it did not fit in the same low spot on the chassis that I had the old one on till I removed about 3 mm's out of the back side of the left radiator guard. Thumb's up so far.
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Australia, QLD, Burua
Joined Jul 2012
1,460 Posts
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I may have to get some help off you with the chimes and lights as following those directions isn't my strong point lol especially if they aren't correct. Mine still hasn't turned up yet .
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Hey Chris did you have to mod the motor plate at all to fit the tenshock? also what am i doing wrong when i put the bike together my chain is tight & the wheel is all the way forward, i have the spacers so the longer side is facing the front am i supposed to turn them around or something? it don't tell me
in the manual about chain adjustment.
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Australia, QLD, Burua
Joined Jul 2012
1,460 Posts
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