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Search: Posts Made By: j.m.
Showing results 1 to 25 of 500
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Forum: Speed - Electric
06-04-2009, 05:17 AM
Replies: 147
Views: 45,226
Posted By j.m.

RE: Predator Outrigger Project

I'm back! :D

Predator revisited>

-Making new hardware, using a flex shaft this time and the octura lead teflon bearings.

-Getting a 3s 5Ah lipo

-Spending more time on finishing this...
Forum: Speed - Electric
02-05-2009, 02:44 PM
Replies: 143
Views: 30,236
Posted By j.m.

RE: Another Outrigger Predator project!

Just whichever you choose, make sure the rudder pushrod is under tension when taking a right turn.
Forum: Speed - Electric
02-02-2009, 02:54 PM
Replies: 83
Views: 28,513
Posted By j.m.

RE: Yet another Predator Outrigger, inspired by Fiend and mrfixitwhite

Some people like it right at the TE of the sponsons if you didn't use the rear ride pads, but if you did a little farther back, out to about an inch behind the sponsons, is usually good.

You...
Forum: Foamies! - RC Electric Foam Aircraft
01-30-2009, 09:31 PM
Replies: 3,404
Views: 357,593
Posted By j.m.

RE: Fun with Flat Foam

Use the search button next time, dude.
http://rcfoam.com/
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
01-07-2009, 09:58 AM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

The stock revo tranny works just fine, right?

So all you would need it a motor mount.

The RC monster one works well, too. So i've heard.

You don't need to buy a battery tray either.
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-16-2008, 09:41 AM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

A 1527 has a larger diameter than a 1515, I think that's what usually throws people off.

A big car (truggy) would work fine with a 1521. Not sure if you could even squeez a 1527 in there.

...
Forum: Speed - Electric
12-12-2008, 09:15 AM
Replies: 820
Views: 78,577
Posted By j.m.

RE: Prince 25" Mono

Taking the prop more out of the water in race conditions is not exactly what you want...

You will see noticeably slower lap times.
Forum: Speed - Electric
12-11-2008, 08:51 PM
Replies: 820
Views: 78,577
Posted By j.m.

RE: Prince 25" Mono

Quite simply, move the CG forward. Try 33%-35%.
Forum: Speed - Electric
12-11-2008, 02:47 PM
Replies: 820
Views: 78,577
Posted By j.m.

RE: Prince 25" Mono

What's that called?

I think it's "I told you so!":);)
Forum: Speed - Electric
12-09-2008, 10:22 AM
Replies: 5,017
Views: 707,120
Posted By j.m.

RE: The Unofficial all things Jet drive thread

I tried to tell Diego boy on OSE that the drive was too big, but he had already cut the hole for the intake.

(way too far forward, I might add...)

And he wanted to use a 540l on it!

...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-09-2008, 09:54 AM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

The motor amp draw(and therefore power output) is based on load. Forget all you know about IC engines.

If the motor is geared to have the car go the same speed on 3s and 5s, the load on the...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-08-2008, 09:25 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

To figure out the wattage, or power output of an electric motor you multiply the input voltage by the amperage, and then by the efficiency of the motor at that given amp draw.

If you have a...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-08-2008, 09:55 AM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

If you are runnni ga 4s setup and are getting a 40mph top speed and moderate acceleration, a properly configured 5s setup can reach the same performance while drawing less amperage. I.E. same watts...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-07-2008, 07:54 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

In rated output power. Yes. Whether or not you can put that to good use depends on your setup.
Forum: Foamies! - RC Electric Foam Aircraft
12-07-2008, 02:08 PM
Replies: 3,404
Views: 357,593
Posted By j.m.

RE: Fun with Flat Foam

a balsa I beam works nicely.

Look:
http://www.rcuniverse.com/magazine/article_display.cfm?article_id=1020

But you might want to taper the vertical piece towards the tip.
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-07-2008, 12:30 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

Think seriously about getting one of these:
http://www.offshoreelectrics.com/proddetail.php?prod=fei-580-L

Roughly twice the power of medusa's best.
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-07-2008, 12:32 AM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

I've never seen a Neu under $175.
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-06-2008, 06:54 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

In my experience, those motors get warm just running no load in your hand.

Offshore electrics has a Feigao 580 L that would make your truggy fly. They are about $100 last time I checked, and...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-06-2008, 03:42 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

That is an EXTREMELY inaccurate way of doing that. Take your diff covers off and count the number of gear teeth. Divide one by the other, and you have the ratio.

You can't count 1:4.6 by...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-05-2008, 04:40 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

It'd move, but it wouldn't go anywhere any time soon.

Try one of these:
...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-03-2008, 08:54 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

You might like one of these for that bugger:
http://www.finedesignrc.com/motorsaveox.asp
(first one)

or this:
http://www.finedesignrc.com/motorslehner.asp
(basic 5300)
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-03-2008, 10:07 AM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

A medusa? PFFFF!!!

This would be a MUCH better choice:
http://www.offshoreelectrics.com/proddetail.php?prod=neu-1509

Maybe this, but you'll get more power for $20.
...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
12-02-2008, 05:03 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

There is a sticky about gearing selection. Check it out.
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
11-27-2008, 10:11 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

My planes.

WAY up.

Going to start making things like this this summer:
http://www.pacificgliderworks.com/arrowpro.html#
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
11-27-2008, 09:57 PM
Replies: 1,300
Views: 108,591
Posted By j.m.

RE: Official Electric Conversion Thread

Your a failure at life.[:@]

;)

Nice to see you guys are all still here and filling up my email.:)
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