R/C Tech Forums - Search Results

Go Back  R/C Tech Forums > Search Forums
Reload this Page >

Search Results

 
Search: Posts Made By: ray_munday
Showing results 1 to 25 of 500
Search took 0.61 seconds.
08-26-2021, 03:06 PM
Replies: 13
Views: 1,736
Posted By ray_munday

Hi mate, with a long wheelbase you get less...

Hi mate, with a long wheelbase you get less weight transfer to the rear. If you are looking for forward traction, you generally would need to move weight to the rear. SCT definitely liked more...
08-17-2021, 03:59 PM
Replies: 13
Views: 1,736
Posted By ray_munday

Hi guys, Ive uploaded a second video (this time...

Hi guys, Ive uploaded a second video (this time on dynamic weight transfer) covering springs, shocks and roll centres. Links below to my page and the 'School of RC' page.

Any questions let me...
08-10-2021, 02:55 AM
Replies: 1,456
Views: 276,661
Posted By ray_munday

Hi guys, Ive uploaded a new video on weight...

Hi guys, Ive uploaded a new video on weight transfer. Look out for Part 2 soon. Enjoy!


https://youtu.be/MxmSR_vFkF0
https://youtu.be/OHfLzj2_pd4
08-10-2021, 02:52 AM
Replies: 548
Views: 87,725
Posted By ray_munday

Running the axles lower (eg +2 instead of +3)...

Running the axles lower (eg +2 instead of +3) lowers the roll centre for a given ride height. Using a lower diff height will generally give more forward bite / less on power steering. I would guess...
08-08-2021, 08:25 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

I dont have a picture on me, but you run a 1mm...

I dont have a picture on me, but you run a 1mm spacer between the chassis and the bulkhead (pivot block). You are actually lowering the bulkhead which lowers the roll centre. We use this a lot in...
08-08-2021, 04:53 PM
Replies: 13
Views: 1,736
Posted By ray_munday

Weight Transfer Videos

Hi guys, I have put together a video talking about weight transfer. Hope it helps!

https://youtu.be/MxmSR_vFkF0
https://youtu.be/OHfLzj2_pd4

Any questions let me know :)

Ray
07-28-2021, 06:19 PM
Replies: 1,456
Views: 276,661
Posted By ray_munday

Hi mate, welcome to RC racing! I have...

Hi mate, welcome to RC racing!

I have measured my car and the camber link measurement is 22.6mm to achieve 1 deg negative camber. The camber link positions should be middle on the inner link...
07-20-2021, 09:38 PM
Replies: 10
Views: 993
Posted By ray_munday

My understanding is that it all depends on the...

My understanding is that it all depends on the type of surface you run on and how the tyre generates grip.

Tyres develop traction via 3 mechanisms:
1) adhesion - stickiness of the tyre to a...
07-16-2021, 04:04 PM
Replies: 545
Views: 103,289
Posted By ray_munday

Hi mate, this is a setup we used successfully...

Hi mate, this is a setup we used successfully with the b74 on outdoors in lower grip. You should be able to get plenty of steering with this setup.
...
06-14-2021, 08:14 PM
Replies: 13
Views: 1,736
Posted By ray_munday

I wrote an article on this for a magazine a few...

I wrote an article on this for a magazine a few years back, Ill try and dig up and post here.
Basic concept:
- weight transfer occurs during acceleration (straightline and lateral acceleration) due...
06-02-2021, 06:15 PM
Replies: 548
Views: 87,725
Posted By ray_munday

No problems. We run our car heavy (full battery...

No problems. We run our car heavy (full battery plus 50-100g underneath, total weight around 1700g depending on track) especially on bumpy tracks or in windy conditions. This is how we ran our car...
06-02-2021, 04:12 PM
Replies: 548
Views: 87,725
Posted By ray_munday

We run outdoors here in Australia and have tried...

We run outdoors here in Australia and have tried many spring combos. We often run white frt / white rear combo if grip is up but usually wht front / green rear as it can get skaty on exit if the...
04-05-2021, 11:45 PM
Replies: 548
Views: 87,725
Posted By ray_munday

Hi mate, typically I have preferred a narrow...

Hi mate,
typically I have preferred a narrow pivot setup on my 2wds outdoors however I have not had the opportunity to test the combination of shorter arm / wider pivot / longer bone yet. I will...
04-01-2021, 04:42 PM
Replies: 548
Views: 87,725
Posted By ray_munday

According to AE the new pivot at full narrow is...

According to AE the new pivot at full narrow is the same as the old pivot at full wide -> 1.4mm wider per side (each pill adjustment of '1' is 0.7mm).
03-22-2021, 02:19 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

Kurt mentioned on a fb post that they were...

Kurt mentioned on a fb post that they were testing an FT raised bellcrank on Spencers car on the weekend at the JC Carpet race, so I would expect it to be available sometime soon....
03-13-2021, 04:43 AM
Replies: 2,670
Views: 469,282
Posted By ray_munday

We have found the high mount front wings give...

We have found the high mount front wings give more steering at lower speeds and drop the nose down more over jumpd. The low mount wings give more downforce than no wing but a little smoother than the...
03-03-2021, 04:24 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

Im not here to argue, but having measured them...

Im not here to argue, but having measured them myself on a spring rate tester in 10mm increments, they do not produce a linear rate. As you compress a spring the angle of action of the coils change...
03-03-2021, 02:45 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

While the springs are not wound to be...

While the springs are not wound to be intentionally non-linear, we have done measurements of rate vs deflection and the springs are not linear in rate. The quoted rates are the nominal rates around...
02-24-2021, 04:47 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

According to AE engineers (responding to same...

According to AE engineers (responding to same question on facebook pages) the material of the hard arms will be changed and there will be a new part number.

Regards
Ray
02-23-2021, 05:30 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

They are a similar weight to brass, which is...

They are a similar weight to brass, which is generally only used on very high grip (astro/carpet) surfaces. My understanding is that the brass ones can bend over time.

As for alloy vs plastic -...
02-20-2021, 12:50 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

Hi mate, it's a function of spring...

Hi mate, it's a function of spring stiffness,preload and travel.
If you have set the ride height, a stiffer spring will have less travel until it has zero load . So the only way to stop it floating...
02-18-2021, 11:27 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

Layback = 26 teeth Laydown = 39 teeth

Layback = 26 teeth
Laydown = 39 teeth
02-15-2021, 05:25 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

One thing to note with the rear of the car is...

One thing to note with the rear of the car is that the gull angle in the lower arm makes it look flatter. If you draw a line between the inner and outer hinge pin you will see that the upper link is...
02-12-2021, 12:00 PM
Replies: 2,670
Views: 469,282
Posted By ray_munday

You can remove the diff by taking out the 5...

You can remove the diff by taking out the 5 screws that hold the rear 'cap' on the transmission housing. With the older designs you had to take the entire gearbox off the car, then take the tower...
02-10-2021, 06:11 PM
Replies: 12
Views: 1,485
Posted By ray_munday

The event was the 1993 Ifmar Worlds in Basildon,...

The event was the 1993 Ifmar Worlds in Basildon, England. I wasnt there but recall reading the stories. LRP developed a trc system which was run in practice (Jurgen Lautenbach from LRP was racing...
Showing results 1 to 25 of 500
 


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright 2021 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.