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Forum: Tech Q & A

09-28-2012, 11:07 PM

Replies: 1

Wiring switch for pit

Views: 729

Posted By hoslotdoctor

I think I found the answer. I need to add a 5v...

I think I found the answer. I need to add a 5v power source and a 10kohm resisistor.

Forum: Tech Q & A

09-28-2012, 09:19 PM

Replies: 1

Wiring switch for pit

Views: 729

Posted By hoslotdoctor

Wiring switch for pit

I thought of a way to incorporate refueling into my ho layout, but i had a question about wiring it correctly to my parallel port. My plan is to wire a Dpdt switch so when the switch is flipped power...

Forum: Tech Q & A

09-20-2012, 10:57 AM

Replies: 35

Alternate Controller?

Views: 6,634

Posted By hoslotdoctor

This may be a shot in the dark, but what about...

This may be a shot in the dark, but what about using a Video game Gas Pedal? Like this one, which you can get with a Potentiometer or install an appropriate Pot yourself. It can be screw-mounted to...

Forum: Tech Q & A

09-19-2012, 03:39 PM

Replies: 35

Alternate Controller?

Views: 6,634

Posted By hoslotdoctor

Nice, sounds like you are trying to keep...

Nice, sounds like you are trying to keep everything under consideration. It sounds like a very interesting idea. Be sure to post updates once you've done some prototyping.

Forum: VIASUE Lap Counters.

09-19-2012, 02:25 PM

Replies: 4

Viasue Lap Counter Received and Setup

Views: 5,648

Posted By hoslotdoctor

Now I understand. You want a race that is...

Now I understand. You want a race that is determined by total number of laps instead of total time. Both programs can do that. If you are using Race Coordinator go into the Race Setup, select the tab...

Forum: VIASUE Lap Counters.

09-19-2012, 12:13 PM

Replies: 4

Viasue Lap Counter Received and Setup

Views: 5,648

Posted By hoslotdoctor

That question doesn't make sense. Drivers time...

That question doesn't make sense. Drivers time for a 10-minute lap? That would be 10 minutes (though it would have to be an absolutely gigantic track to have 10-minute lap time). Did you mean to say...

Forum: HO Scale Slot Cars

09-19-2012, 12:08 PM

Replies: 38

Slot Cars and The Average Consumer

Views: 3,193

Posted By hoslotdoctor

I think the biggest thing that a shop owner can...

I think the biggest thing that a shop owner can do to retain people that may otherwise drop the hobby is to have regular gathering times for people to hang out, race, and get maintenance tips, with...

Forum: Tech Q & A

09-19-2012, 10:21 AM

Replies: 35

Alternate Controller?

Views: 6,634

Posted By hoslotdoctor

Glad I could help. Let me know how it works for...

Glad I could help. Let me know how it works for you.

I was thinking about your single-button idea. I'm not sure how intuitive it would be to drive (especially for a potentially drunk person). In a...

Forum: HO Scale Slot Cars

09-19-2012, 10:09 AM

Replies: 38

Slot Cars and The Average Consumer

Views: 3,193

Posted By hoslotdoctor

Well, I originally got into Slot Cars as a kid. I...

Well, I originally got into Slot Cars as a kid. I was 7 at the time and my older brother was 14 (it was his set). My family is all a bit geeky, so when cars would have issues we had no problems...

Forum: Tech Q & A

09-18-2012, 12:09 PM

Replies: 35

Alternate Controller?

Views: 6,634

Posted By hoslotdoctor

Diodes are used to ensure that current passes in...

Diodes are used to ensure that current passes in only one direction, which is not an issue here. Diodes sometimes have resistors integrated into them, and you can use a Diode with integrated resistor...

Forum: HO Scale Slot Cars

09-18-2012, 08:20 AM

Replies: 30

Controller ohm question

Views: 7,580

Posted By hoslotdoctor

The formula for resistors weird in parallel is: ...

The formula for resistors weird in parallel is:
(1/R1) + (1/R2) = 1/R3
So in the simplest case of two 45 ohm resistors in parallel you get:
1/45 + 1/45 = 2/45 = 1/22.5
Therefore two 45Ohm...

Forum: Tech Q & A

09-17-2012, 04:41 PM

Replies: 35

Alternate Controller?

Views: 6,634

Posted By hoslotdoctor

Boopie: That looks pretty cool, but have you...

Boopie: That looks pretty cool, but have you looked at the pricing? The Namco Go Go Grand Prix sells for $29,575 new, so it might be a little out of price range, even if he can find one used.
...

Forum: Tech Q & A

09-17-2012, 04:02 PM

Replies: 35

Alternate Controller?

Views: 6,634

Posted By hoslotdoctor

I thought of a solution that would certainly be...

I thought of a solution that would certainly be as bulletproof as an Arcade setup, since you could wire it using actual arcade push-buttons:
Each driver station will have 6 Push-button arcade...

Forum: HO Scale Slot Cars

09-17-2012, 03:12 PM

Replies: 30

Controller ohm question

Views: 7,580

Posted By hoslotdoctor

I found that link. The part that does what you...

I found that link. The part that does what you are asking about is the second section "Rising Rate Controller". In that section says that it is only recommended if you cannot find a resistor of...

Forum: HO Scale Slot Cars

09-17-2012, 09:53 AM

Replies: 30

Controller ohm question

Views: 7,580

Posted By hoslotdoctor

Note quite. The Ohm's on a controller are telling...

Note quite. The Ohm's on a controller are telling how much resistance it is giving when you are just barely engaging the throttle. So putting a 45 Ohm resistor connected to the + wire with no...

Forum: HO Scale Slot Cars

09-14-2012, 09:13 AM

Replies: 12

Ferndale Fray

Views: 3,532

Posted By hoslotdoctor

Thanks for the info. That makes sense, get a...

Thanks for the info. That makes sense, get a race-ready car first before trying to build one myself. Looks like I'll be ordering one soon so I can get some good practice time in with it.

Bitman:...

Forum: HO Scale Slot Cars

09-13-2012, 05:32 PM

Replies: 12

Ferndale Fray

Views: 3,532

Posted By hoslotdoctor

Ferndale Fray

So it turns out that the largest T-Jet competition is right in my backyard! That definitely surprised me. I think I'm gonna go ahead and build a car for the Ferndale Fray coming up in March.
I've...

Forum: HO Scale Slot Cars

09-13-2012, 09:32 AM

Replies: 132

Newbie's new Thoughts

Views: 19,424

Posted By hoslotdoctor

You'll want to give people more than one lap for...

You'll want to give people more than one lap for the time trial. 5 laps is good for a short time trial, then take the best lap time to determine starting positions. Keep in mind a lap is probably...

Forum: HO Scale Slot Cars

09-11-2012, 12:10 PM

Replies: 132

Newbie's new Thoughts

Views: 19,424

Posted By hoslotdoctor

Yeah, there is alot of info, and with this hobby...

Yeah, there is alot of info, and with this hobby it seems that there is always "one more thing" that can be done.

The fastest route to get racing is to do as you said: use a second terminal track...

Forum: HO Scale Slot Cars

09-11-2012, 11:37 AM

Replies: 132

Newbie's new Thoughts

Views: 19,424

Posted By hoslotdoctor

Actually there would be an effect. When a car...

Actually there would be an effect. When a car deslots the resistance that the other car sees on the negative side will drop, which will create a surge. The surge wont be anywhere near as bad as when...

Forum: HO Scale Slot Cars

09-11-2012, 09:53 AM

Replies: 132

Newbie's new Thoughts

Views: 19,424

Posted By hoslotdoctor

Bob: Sort of. Without modifying the terminal...

Bob: Sort of. Without modifying the terminal sections the negative rail for the two lanes would be connected to each other. That can cause feedback between the two power supplies. It's better than...

Forum: HO Scale Slot Cars

09-10-2012, 11:04 AM

Replies: 132

Newbie's new Thoughts

Views: 19,424

Posted By hoslotdoctor

Don't fret. The terminal tracks you have can...

Don't fret. The terminal tracks you have can easily be modified. You didn't flush any money away. Let me know if you want modification instructions.

Also, the lane that you give the tri-power...

Forum: HO Scale Slot Cars

09-07-2012, 03:43 PM

Replies: 31

getting more performance from a stock transformer

Views: 5,137

Posted By hoslotdoctor

Laptop power supplies are switch-regulated. They...

Laptop power supplies are switch-regulated. They are quite easy to find cheaply and do not take up too much space. They are extremely reliable and have built in protections. IMHO they are the best...

Forum: HO Scale Slot Cars

09-07-2012, 11:40 AM

Replies: 132

Newbie's new Thoughts

Views: 19,424

Posted By hoslotdoctor

There are two body sizes for SG+ cars, but they...

There are two body sizes for SG+ cars, but they can both fit onto the same chassis. The only difference is an additional clip on the chassis to hold the slightly larger bodies. Formula bodies fit...

Forum: HO Scale Slot Cars

09-07-2012, 09:35 AM

Replies: 132

Newbie's new Thoughts

Views: 19,424

Posted By hoslotdoctor

With a small amount of patience you can usually...

With a small amount of patience you can usually find SG+ cars on EvilBay for between $15 and $30 each. Don't expect to be able to buy 10 at once, but from my experience there are at least 4 auctions...

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