Filed under: Performance Upgrades
I have not really had any time recently to write anything. However have been busy learning new things, I have bought a couple of new cars, have been trying out different speedo/motor combinations and have been regularly racing at my local track. All of those things would have been very beneficial for readers here.. so will be sure to post some progress reports soon!
Filed under: Performance Upgrades
Just have not had enough time to write here lately, however have been working on a bunch of new things. I have temporarily retired the Ta05 , due to transitioning to a new car. The Ta05 is well and alive, just recently installed a front spool in the car, however waiting on a new SPX controller and 17.5 motor combo to get it going again.
In the mean time I have continued to race a used XRAY T2R-PRO that I picked up from a friend at my home track in Gaithersburg, MD. The car has been performing very very well, and I have been learning a lot about setting up cars and most importantly how to drive them on a track in race conditions.
I will be posting pictures and setup details and more information very soon! hope everyone enjoyed thanks giving break 
Filed under: Performance Upgrades | Tags: 1/10 racing car, Ferrari F430, lrp spx, radio control car, speed passion 17.5 motor, speed passion motor gearing, ta05 racing, tamiya ta05 race setup
So the effort continues to tame the Ta05 to be able to race competitively in the 17.5 class with experiended drivers and along side high end cars such as the xray, hot bodies etc. I have made several changes since I last wrote, but a summary of them are as follows
- Changed speed control from LRP SXX TC to LRP SPX Competition (better programming for stock motors)
- Changed to 64p gearing so it is possible to gear more accurately
- Added 3Racing trun buckles throughout the car replaced the stock as they are hard to work with
- Changed the suspension oil to 60 wt for front to add more steering, rear is still 45 and using TC5 blue 17lb springs all around
- Gearing is currently at 64p 88 Spur and 47 Pinion with FDR at 4.2
The car has been running very well and it is truely a pleasure to run this plastic chassis, the additional hop-ups have definitly made improvements and I am only focusing on minimizing additions of hop-ups unless I really need them so not much visual changes.
I will be posting more details of setup and pictures soon so stay tuned, as last weekend the front differential arm broke due to added pressure of increase drag brake that I needed. I am currently looking into using a solid front axel instead of a differantial to increase lap times and overall performance for a medium to small size technical track.
Speed Passion 17.5 motor
Something to note about speed passion motors, they are outstanding quality and very high performance. However something to note is that they usually need to be geared very differenlty than other motors to take full advantage of them.
For example Novak 17.5 motor is recommended to be used with 3.5 FDR, speed passion is similar in the sense that the v2 motor like the novak does not have physical timing. So in order to get most of the speed passion motor, i will be testing it with higher FDR in the range of 4.6 -> 5.5 plus with increased timing on the LRP SPX profile 8 to gain maximum torque and top end speed.
More to come….
Filed under: Performance Upgrades | Tags: 1/10 racing car, 17.5 brushless motor, Brushless system, Ferrari F430, gearing for top speed, LRP SXX TC, speed passion 17.5, Speed Runs, ta05 performance testing, Tamiya TA05
I am currently working on fine tuning the Tamiya TA05 chassis to prepare for racing in the 17.5 class at the www.rctrack.com The Track in Gaithersburg MD.
Currently the following are the specs for the car
- LRP SXX TC Speed Control, Power Profile 8
- Speed Passion 17.5 Brushless Motor
- 48p 78/38 Spur and Pinion
- Optional Tamiya drive belts
- Integy drive shafts
- HPI tires (Pro Compound)
- Ferrari F430 Body
- Spektrum RX/TX
- Trakpower 4900 mah 25C lipo
- TRF shocks and TC5 17lbs springs
The car so far handles really well on asphalt track in gaithursburg md, my fastest laptime on the track is 16.5 seconds. The average for most drivers seems to be around 17-20 seconds, I intend to further tune the car and post results if I am able to further reduce lap times
Filed under: Performance Upgrades | Tags: 1/10 racing car, 5700kv, 5700kv motor, Brushless system, hpi sprint 2, lamborghini gallardo, Mamba Max, performance testing, radio control car, top speed, trakpower 2s lipo
It has been a while since I have written but have been busy with work and other projects including setting up HD for video production and setting up and building the Tamiya F104 pro (stay tuned).
I have to say the HPI Sprint 2 RTR is an amazing RTR package, the car is well built and handles well on the track. For a RTR it is hard to find kits that are so competitively priced and can run as well as this chassis, I have really enjoyed doing the brushless conversion and testing the car.
The mamba max system was chosen and used the 5700kv motor for now, the only thing other than the brushless system I used is a Robinson Racing 48p 22t pinion, everything else is bone stock on the car and it runs very well.
I am using Trakpower 2s lipo so had to make some small modifications on the battery tray, such as adding double sided tape to the bottom of the tray without taking the other sticker off. This is to ensure that the thinnner lighter lipo battery stays on the battery tray along with using dremel on the top of the battery mount so I can pass the two positive and negative power cables through.
Filed under: Performance Upgrades | Tags: 1/10 racing car, brushed motor, hpi sprint 2, lamborghini gallardo, performance testing, radio control car, Speed Runs
So finally got around to building my next rc car. This time around I was looking for a good RTR chassis that was 4wd and economically priced. The HPI Sprint 2 seems to have fit the bill for being under 200.00 for a complete RTR package. I did however replace the radio equipment and used my spektrum dx3r system, everything else is bone stock.
The car handles well with it’s stock x-pattern d compund tires, I would guestimate the top speed to be around 20-25mph with the 15t firebolt brushed motor. The steering seems a little loose and I would suspect that the chassis would probably not handle a faster motor than a 5700kv type without upgrading some key components.
I plan to do a video on performance of the stock setup followed by a brushless conversion and then another look at how the chassis handles more power.
Also note that since this is brushed, the power is not used efficiently so run-times are low.. around 5 minutes or so.
Filed under: Performance Upgrades
Thought I would share some new tires I have started using that can mounted on scale wheels, and at the same time dont sacrifice performance.
HPI Pro Compound V-Grooved (Wet/Rain/Dry Tire)
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXM992&P=7
HPI Pro Compound X-Pattern (Wet/Rain/Dry Tire)
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXM979&P=ML
HPI Pro Compound Racing Slick (Dry Conditions)
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXM972&P=7
The above list is something recently I have started to look at will post more as I find more that are all easily available, high performance ( race quality) and are reasonably priced.
Filed under: FPV, Performance Upgrades | Tags: Brushless system, FPV, Mamba Max, porsche 911 gt3, radio control car, rc car, tamiya tt01, tamiya tt01-R, tt01r
This is a short video of the recent run I did on this car, I have to admit this is one Tamiya chassis that I am least impressed with.
It is definitly more adjustable from the TT01E but if you are thinking about upgrading I would say just go for the Ta05 or better. The car does not seem to handle brushless systems too well, the fastest motor you can use in my experience is the super stock from Tamiya anything more you will start to rip the car apart or just keep burning through spur gears.
Filed under: FPV, Performance Upgrades | Tags: 1/10 racing car, 11.1 power setup, 11.1 volts, 5700kv motor, 60mph, Brushless system, FPV, Mamba Max, Speed Runs, Team Associated TC5R
So finally got around to test out the new motor/gear/25c lipo setup on the TC5r. It was an extremely hot day, average ambient temperature was about 90-96. The car performed well, but ended up blowing the left rear tire and crashing as a result
The Mamba Max 5700 combo 87/22 gearing with Trakpower 3s 4900 25c combo is very very good, I enjoyed running the car. However the FPV equipment it self is pretty heavy along with the 3s lipo made the car somewhat unstable at high speeds, I estimate the car was topping out at around 60mph I did not get a chance to use the radar gun to make sure but given the setup and my calculations it should be doing at least that much.
I intend to get an OSD setup soon and perhaps in time upgrade to a 5.8ghz video system so I get better reception, the whole project has been challening because there are a lot of moving parts. The video gear and the car the electrics all need to be setup well and mounted on the car so they dont make the vehicle unstable.
I think I’ll be doing this in phases, next one will definitly be the OSD so we can start seeing some data like motor temperature, RPM and of course GPS based speed.
Filed under: Performance Upgrades | Tags: 11.1 power setup, 11.1 volts, 3s power, brushless motor comparison, brushless motors, Brushless system, gearing for top speed, Mamba Max, Novak GTB 3.5R, rc car gearing, Speed Runs, ta05 performance testing, Team Associated TC5R, top speed
My digital camera seems to have come back from the dead some how, so thought I would write a post on what I have been up to.
I am currently working on selecting the best motor/esc/lipo setup for fastest 3s lipo race able car, so far I have tried the good old Novak 3.5R, the Mamba 7700kv and Traxxas 3500kv motor.
All three motors were run on the TC5R chassis using the VXL3S speed control, they all survived the 11.1v of power mostly because they probably were never able to exceed their rpm limits and perhaps with a lot of luck as well.
The problem is that the lower turn motors like the speed passion 2.5R run very very fast on 2s but seem to max out at or around 60mph. That is plenty fast for racing, but I just have the itch to see if we can go faster, maybe around 70-80 clean on top speed and still be reasonably racable.
The TC5R with the above motors sits pretty heavy and I have had to use harder roll-bars so it does not hit the ground everytime I make a fast corner. The over all stability seems better due to added weight but I still need a solid motor/gear combo that can give me over 60mph and be able to go around a large track without too many issues.
My plan was to order the Mamba Max 5700 system which I have installed and done some inital testing, everything looks good just hope the weather is clear this weekend so I can do some good test. Also this time around I plan to be in FPV mode, essentially a wireless camera mounted on the car so I can get a feel of the car and power as if I was actually sitting in it.
