T.O.P. Racing "Photon" 1/10 EP Touring Car

[Goingfast]

Originally Posted by E.J. Evans

Hello Everyone,

The new drive cups are in! They are made of a harder material that will wear better. When you get these, please throw your old ones away.

One bag (4 pcs) is complimentary to everyone that bought a kit. We'll be sending them out to all our customers.

You can also send us an email topracingusa@yahoo.com and put in the subject heading "Drive Cups V2". We will need proof of purchase, USA customers only.

Hi EJ
I sent in my receipt please check your email...Thanks

[Nova F1 Racer]

Originally Posted by The Teacher

EJ, my kit came with 2 spools. One said new on the bag, what is different with this spool? Is this made of the harder material or did everyone get this and it's still the old spool/outdrives?

Originally Posted by wyd

Hmmm looks like someone is working on their kit.

Wow... You got one Teach.... Ask Hess about the car...

[E.J. Evans]

Couple guys were asking for my Reedy setup, so here it is again. Made it a PDF this time and brought down the file size.

I ran mod with this setup. The only thing I changed was the front springs. I went to a 324gf.

[THeGame]

Originally Posted by Nova F1 Racer

Wow... You got one Teach.... Ask Hess about the car...

Rick... Teach better watch out for you now... I would hate to see you put it one him with it.....

[THeGame]

Originally Posted by E.J. Evans

Couple guys were asking for my Reedy setup, so here it is again. Made it a PDF this time and brought down the file size.

I ran mod with this setup. The only thing I changed was the front springs. I went to a 324gf.

Ej are you coming out for the Nats in Frederick?

[mrrcguy]

Any chance we can get a detailed explanation of how changing the radial ackerman adjustment inserts will affect handling? A few of my racers have been asking me about this and having not tested this I dont have any of the answers.

[John St.Amant]

So I could have gotten my kit already and had an extra spool//Dammit !
I want parts to make a diff fior the front and eventually a one way . Whats the gerth of the spool between the bearings? Maybe a Tamiya one will fit > No ?!

[JimmyMac]

Yokomo BD5 oneway with BD5 pulley fits. I already tested my BD5 oneway in someones Photon. Just like you can use BD belts on the car too.

[RC MARKET]

Originally Posted by The Teacher

EJ, my kit came with 2 spools. One said new on the bag, what is different with this spool? Is this made of the harder material or did everyone get this and it's still the old spool/outdrives?

outdrives cup harder !

[syndr0me]

So, a suggestion...

How about a longer servo mount? Many of us run the short servos, and longer mounts (much longer than the longest option in the kit) could give us the ability to push the shorter servo closer to the edge of the chassis. This would enable us to run the servo in the forward holes, giving us much-needed space for our electronics, and won't require you to take a live beaver to the corner of your servo to prevent the arm from rubbing. It also seems to still maintain decent alignment between the servo horn and arm on the steering assembly.

Also, in aluminum would be great.

[Josh Cyrul]

syndr0me - They make aluminum spacers don't they??...lol..

Radial Ackerman:

Pos. #1 St. Block Inside Wheel degree vs. Outside Wheel Degree

21mm Length 5degree 10degree 15degree 20degree 25degree

9mm Insert 4.72 8.93 12.62 15.81 18.48
10mm Insert 4.71 8.87 12.51 15.62 18.22
11mm Insert 4.69 8.81 12.39 15.43 17.94
12mm Insert 4.67 8.75 12.26 15.22 17.65

22.5mm Length

9mm Insert 4.76 9.07 12.93 16.32 19.21
10mm Insert 4.75 9.03 12.83 16.16 18.98
11mm Insert 4.74 8.98 12.73 15.99 18.74
12mm Insert 4.72 8.92 12.62 15.81 18.49

24mm Length

9mm Insert 4.8 9.21 13.21 16.78 19.89
10mm Insert 4.79 9.17 13.13 16.64 19.69
11mm Insert 4.78 9.13 13.04 16.5 19.48
12mm Insert 4.77 9.08 12.95 16.35 19.26

This is generated using a set wheel base - adjusting wheel base/hinge pin sweep can adjust these #'s. Also, this is generated using 0 toe in/out. This is to generate different ackerman curves.

Generally, lower initial ackerman (closer # values) generate more initial steering and can make the car loose in the center of the corner/exit. Be warned though that at times it can overheat the tires and cause a mid/late race understeer.

Higher initial ackerman makes the car easier to drive, and more balanced through the run. Sometimes though, if you use too much ackerman you will just have slow lap times and a lazy/understeering car. So far, I've prefered the shorter bell crank (21mm) with 9-10 for the ackerman insert as it gives good initial steering and good low speed steering without over heating the front tires so much. Also, this combination is quite close to the ackerman data generated from the 416 I was able to guess some dimensions off of....

I can't really make this chart look right on here... Sorry guys...

[The Teacher]

Josh Cyrul, so basically what you're saying is...download your setup sheet and use the setting on it.... GOT IT!

[syndr0me]

Thanks Josh.

[John St.Amant]

Doesn't the kit come with Josh's And E.J.'s set up sheets ?

[E.J. Evans]

Originally Posted by Josh Cyrul

syndr0me - They make aluminum spacers don't they??...lol..

Radial Ackerman:

Pos. #1 St. Block Inside Wheel degree vs. Outside Wheel Degree

21mm Length 5degree 10degree 15degree 20degree 25degree

9mm Insert 4.72 8.93 12.62 15.81 18.48
10mm Insert 4.71 8.87 12.51 15.62 18.22
11mm Insert 4.69 8.81 12.39 15.43 17.94
12mm Insert 4.67 8.75 12.26 15.22 17.65

22.5mm Length

9mm Insert 4.76 9.07 12.93 16.32 19.21
10mm Insert 4.75 9.03 12.83 16.16 18.98
11mm Insert 4.74 8.98 12.73 15.99 18.74
12mm Insert 4.72 8.92 12.62 15.81 18.49

24mm Length

9mm Insert 4.8 9.21 13.21 16.78 19.89
10mm Insert 4.79 9.17 13.13 16.64 19.69
11mm Insert 4.78 9.13 13.04 16.5 19.48
12mm Insert 4.77 9.08 12.95 16.35 19.26

This is generated using a set wheel base - adjusting wheel base/hinge pin sweep can adjust these #'s. Also, this is generated using 0 toe in/out. This is to generate different ackerman curves.

Generally, lower initial ackerman (closer # values) generate more initial steering and can make the car loose in the center of the corner/exit. Be warned though that at times it can overheat the tires and cause a mid/late race understeer.

Higher initial ackerman makes the car easier to drive, and more balanced through the run. Sometimes though, if you use too much ackerman you will just have slow lap times and a lazy/understeering car. So far, I've prefered the shorter bell crank (21mm) with 9-10 for the ackerman insert as it gives good initial steering and good low speed steering without over heating the front tires so much. Also, this combination is quite close to the ackerman data generated from the 416 I was able to guess some dimensions off of....

I can't really make this chart look right on here... Sorry guys...

Great post Josh!

I like running the 10mm insert in the middle position (22.5) with rubber tires on asphalt. Josh did a great job with this bell crank. I never knew that playing around with this made such a difference with how the car feels.