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Search: Posts Made By: Kevin Marcy
Showing results 1 to 25 of 281
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Forum: Electric On-Road
05-09-2024, 03:26 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Since it appears that the V1 front arms...

Since it appears that the V1 front arms (SAK-C105) are sold out everywhere (and maybe not produced?), what else would I need to change to put V2 arms on the Ultra V1? Just the shock towers?
Forum: Electric On-Road
05-02-2024, 02:32 PM
Replies: 34
Views: 34,140
Posted By Kevin Marcy

That's another physics myth that people believe. ...

That's another physics myth that people believe. It is NOT true. Surface area does not change the force of friction.
Forum: Electric On-Road
02-05-2024, 05:28 PM
Replies: 15,712
Views: 2,352,171
Posted By Kevin Marcy

The reason for restrictor plates & chicanes has...

The reason for restrictor plates & chicanes has nothing to do with manufacturer equality. It was to keep race cars from flying into the grandstands at 200+ MPH and killing spectators. The LeMans...
Forum: Electric On-Road
12-20-2023, 08:40 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

I was going to add that mistake to my "assembly...

I was going to add that mistake to my "assembly notes" document, but it's already there. I've seen it before at my local track.

I've attached my assembly notes for anyone who wants it. Most of...
Forum: Electric On-Road
12-20-2023, 08:33 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Been there, did that (but I stopped at 2). Also...

Been there, did that (but I stopped at 2). Also built the steering rack upside-down on the S64. Funny thing is, it worked fine that way.
Forum: Electric On-Road
12-19-2023, 05:00 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Most likely cause is you've got the front shock...

Most likely cause is you've got the front shock towers on the rear and vice-versa. The front ones are shorter than the rears.
Forum: Electric On-Road
12-11-2023, 05:31 PM
Replies: 1
Views: 396
Posted By Kevin Marcy

Assuming that you're racing on asphalt (or...

Assuming that you're racing on asphalt (or "Tarmac" in the UK ;) ) you will probably want to go one step harder in the front tires vs. the rear. Seems like last time I ran foams outdoors I had 35...
Forum: Electric On-Road
12-10-2023, 02:27 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Now that we have a "64" version and a "55"...

Now that we have a "64" version and a "55" version, is there any general agreement on which layout is better for carpet? (Or better yet, some science to explain it?)
Forum: Electric On-Road
11-15-2023, 07:32 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

That's the one. The issue was that the upper arm...

That's the one. The issue was that the upper arm hole was too small, along with the stronger plastic it's made of (graphite mixed in, maybe?) means it was very hard to turn the turnbuckle.
Forum: Electric On-Road
11-13-2023, 02:01 PM
Replies: 15,712
Views: 2,352,171
Posted By Kevin Marcy

Looks like this is the 2nd time you've asked...

Looks like this is the 2nd time you've asked this. Simple answer - no one knows since we don't run the slicks. The only HPI tires that were legal originally are the "Vintage Racing Tire"...
Forum: Electric On-Road
11-03-2023, 06:54 PM
Replies: 3,197
Views: 843,103
Posted By Kevin Marcy

Does your car have "DCV" driveshafts in the...

Does your car have "DCV" driveshafts in the front? If so, you need a 5x10x3mm bearing for the inner side of the steering block. The outer bearing is 5x10x4mm.
Forum: Electric On-Road
11-03-2023, 04:09 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

It's been mentioned many times, so I guess once...

It's been mentioned many times, so I guess once more won't hurt! :lol:
Run a 4mm RH tap through the upper A-arm (but NOT in the eyelet). Then screw the turnbuckle into the eyelet, leaving at least...
Forum: Electric On-Road
10-23-2023, 06:03 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Possibly I'm not understanding your question, but...

Possibly I'm not understanding your question, but the "bulkhead cover" holds the diff in place. Kit should have 2 of them in it.
Forum: Electric On-Road
09-30-2023, 05:51 PM
Replies: 15,712
Views: 2,352,171
Posted By Kevin Marcy

I got a chance to race on asphalt today for the...

I got a chance to race on asphalt today for the first time in several years, with the PF tires a requirement. All I can say about them is:

Woeful
Traction
Failure

OK, I can also say no front...
Forum: Electric On-Road
09-27-2023, 07:09 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Either 3Racing, or Kimbrough. I suppose you...

Either 3Racing, or Kimbrough. I suppose you could use that X brand, if you want to pay extra :lol:. Basically anything with a "pan car" style hole pattern with a number of holes divisible by 3...
Forum: Electric On-Road
09-22-2023, 02:14 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

I just held up a Sakura Advance steering block...

I just held up a Sakura Advance steering block (SAK-U322) next to the Cero version, and they look to be direct replacements. I haven't tried putting one on the Cero, but sure looks the same, and I...
Forum: Electric On-Road
09-21-2023, 02:36 PM
Replies: 12,134
Views: 2,421,745
Posted By Kevin Marcy

I usually put a "license plate" sticker on the...

I usually put a "license plate" sticker on the back of my cars that tells the type of car it is. On this car I put this:

...
Forum: Electric On-Road
08-15-2023, 04:26 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

That didn't make a difference.

That didn't make a difference.
Forum: Electric On-Road
08-14-2023, 03:55 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Distance from pulley to inside of bearing: ...

Distance from pulley to inside of bearing:
Aluminum spool: 5.1mm
Plastic spool: 3.4mm
Cero gear diff: 5.6mm (pulley is centered)
Forum: Electric On-Road
08-10-2023, 03:25 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

The spool is assembled just like the drawing in...

The spool is assembled just like the drawing in the manual. Screws on the outside, pulley on the short side of the axle facing right side of car....
Forum: Electric On-Road
08-02-2023, 04:22 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Sorry about the confusion. What I meant was...

Sorry about the confusion. What I meant was flipping the entire spool assembly to the other side. This puts the belt closer to the left side A-arm but at a noticeable angle, might not be a good...
Forum: Electric On-Road
08-02-2023, 03:15 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

The 1.5mm difference is between the plastic &...

The 1.5mm difference is between the plastic & aluminum spool. Haven't tried just flipping the pulley yet, but it doesn't look like that will change anything.
Forum: Electric On-Road
08-01-2023, 07:22 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Looks like about 1.5mm different (with a cheap...

Looks like about 1.5mm different (with a cheap plastic caliper).
Forum: Electric On-Road
08-01-2023, 07:12 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

I just started assembling the Cero Sport kit and...

I just started assembling the Cero Sport kit and the spool does put the belt right next to the RF A-arm with no visible gap. Not like this with the aluminum spool from the Ultra. Might not be...
Forum: Electric On-Road
07-23-2023, 04:10 PM
Replies: 1,018
Views: 223,111
Posted By Kevin Marcy

Assuming the front plastic spool axle is the same...

Assuming the front plastic spool axle is the same as the aluminum one: the spool is not symmetrical. The flange the pulley mounts on is closer to one side, the pulley mounts on the "long" side.
Showing results 1 to 25 of 281
 
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