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Forum: Model A (1928-31) 01-02-2021, 09:03 AM
Replies: 11
Views: 687
Posted By Sparky
Re: (Yet Another) Electrical Question

Thatís not an electrical question :)

The middle pistons (2 and 3) rise and fall together. So 3 canít follow 2 in the firing order, it has to skip to 4.
Forum: Model A (1928-31) 12-31-2020, 11:04 AM
Replies: 32
Views: 1,343
Posted By Sparky
Re: 12v from 3 brush Ford generator

Those would work also assuming they fit in the case. There is no reason you can't mount one remotely if you don't care about mimicking an original cutout.
Forum: Model A (1928-31) 12-31-2020, 11:01 AM
Replies: 32
Views: 1,343
Posted By Sparky
Re: 12v from 3 brush Ford generator

Yes, but jwmckenzie is generally correct if your total power requirement is unchanged when switching to 12V.

For example, it you have a total of 60 watts of power requirement on a 6V system, the...
Forum: Model A (1928-31) 12-31-2020, 10:19 AM
Replies: 32
Views: 1,343
Posted By Sparky
Re: 12v from 3 brush Ford generator

Actual part numbers can vary depending on the source. The simplest way to find them is to just google "10DN diode". Here are a couple of links I found:
...
Forum: Model A (1928-31) 12-30-2020, 07:03 PM
Replies: 32
Views: 1,343
Posted By Sparky
Re: 12v from 3 brush Ford generator

OK, here are the pictures I promised. The diodes I used are for a Delco 10DN alternator. They are rated for 25 amps. Just google "10DN diode" and you can find them from various sources. I got...
Forum: Model A (1928-31) 12-30-2020, 10:26 AM
Replies: 32
Views: 1,343
Posted By Sparky
Re: 12v from 3 brush Ford generator

That's right. The original-style cutouts are essentially a wire-wound relay, and are designed to operate at a specific voltage and/or current, so are not likely to work correctly on 12V. A diode...
Forum: Model A (1928-31) 12-30-2020, 09:42 AM
Replies: 32
Views: 1,343
Posted By Sparky
Re: 12v from 3 brush Ford generator

I'm happy to help, but I'm not sure what the question is. Are you asking how to make a diode cutout? If so I can take some photos of the one I made. As I said my generator is completely stock.
Forum: Model A (1928-31) 12-30-2020, 09:11 AM
Replies: 32
Views: 1,343
Posted By Sparky
Re: 12v from 3 brush Ford generator

Yes, I do myself and I'm sure many others on this board do also. My generator is unmodified except I repolarized it for negative ground. I do have a Fun Projects regulator, but before I got that I...
Forum: Model A (1928-31) 12-29-2020, 12:07 PM
Replies: 19
Views: 886
Posted By Sparky
Re: Using magnets instead of holes

If you want to experiment, get a magnet with a pre-threaded hole. Rare earth magnets are typically brittle and can't be easily drilled or tapped.
Forum: Model A (1928-31) 12-28-2020, 05:46 PM
Replies: 19
Views: 886
Posted By Sparky
Re: Using magnets instead of holes

Are you asking if the magnets are conductive? Most neodymium magnets are made from sintered metals so probably are. There may be a non-conductive paint coating though.
Forum: Model A (1928-31) 12-14-2020, 08:00 PM
Replies: 10
Views: 551
Posted By Sparky
Re: brake adjuster dust shields

The circled part is the dust shield, the part behind it is the wedge.
Forum: Model A (1928-31) 12-13-2020, 07:04 PM
Replies: 130
Views: 55,313
Posted By Sparky
Re: Speedster Kit

Wow, you went way back in time to pick up this thread😄. Anyways, your speedster looks very well done. I dig the headlights.
Forum: Model A (1928-31) 10-14-2020, 07:28 AM
Replies: 9
Views: 1,206
Posted By Sparky
Re: Scammers are out in force

It works with Edge. Google just doesn't want to promote it.
Forum: Model A (1928-31) 09-14-2020, 06:13 PM
Replies: 8
Views: 505
Posted By Sparky
Re: Lack of power/rpm

Is this a sudden problem, or has it always run badly?

I had similar symptoms appear suddenly a few weeks ago. After some investigating it wound up being a loose compensator jet in the carburetor....
Forum: Model A (1928-31) 09-06-2020, 12:16 PM
Replies: 9
Views: 696
Posted By Sparky
Re: Ever have a distributor rotor wear out?

No, the little nub that fits in the slot of the cam was tight, so the timing was unaffected. It was actually running fine, I just noticed it while checking other things.

I got the new one from...
Forum: Model A (1928-31) 09-05-2020, 10:21 PM
Replies: 9
Views: 696
Posted By Sparky
Ever have a distributor rotor wear out?

I was doing a routine check of my points a couple weeks back and I noticed the rotor was wobbling on the cam. It looked like the shallow molded ribs on the ID that made it fit snugly on the cam had...
Forum: Model A (1928-31) 03-25-2020, 12:29 PM
Replies: 15
Views: 966
Posted By Sparky
Re: 12 volt conversion question

Do you mean to add a 12V regulator (or cutout) to the stock generator? Yes, it works fine.
Forum: Model A (1928-31) 01-30-2020, 10:04 AM
Replies: 5
Views: 649
Posted By Sparky
Re: Dual updraft intake manifold install

I have the vortex with dual Zenith B carbs. In my experience synching was not a big deal, you just have to get the idle stops to match. I made no changes to the jet sizes.

My butt dyno says...
Forum: Model A (1928-31) 01-26-2020, 04:30 PM
Replies: 18
Views: 1,413
Posted By Sparky
Re: 6 volt horn in 12 volt vehicle

Since the cost is low I would suggest getting a couple different values so you can fine tune the sound you want. For example you can get a 1/2, a 1, and a 2, and using them singly or in series you...
Forum: Model A (1928-31) 01-22-2020, 01:30 PM
Replies: 18
Views: 1,413
Posted By Sparky
Re: 6 volt horn in 12 volt vehicle

I got good results from a 1-ohm, 100 watt wirewound resistor from eBay.
Forum: Model A (1928-31) 12-12-2019, 09:38 AM
Replies: 8
Views: 888
Posted By Sparky
Re: Advertisements

I don't see ads on the PC but do get some when using the Tapatalk phone app.
Forum: Model A (1928-31) 12-01-2019, 09:27 AM
Replies: 3
Views: 533
Posted By Sparky
Re: 6 Volt Bermuda Bell on 12 Volt Car

FYI, eBay is a good source for 100-watt power resistors. They are cheap enough that you can get a few different values and experiment. For example if you got a couple .5 ohm resistors you could hook...
Forum: Model A (1928-31) 10-27-2019, 03:50 PM
Replies: 5
Views: 1,047
Posted By Sparky
Re: Still hangin in there

They makes sense. I didnít notice the gun!
Forum: Model A (1928-31) 10-27-2019, 02:51 PM
Replies: 5
Views: 1,047
Posted By Sparky
Re: Still hangin in there

Whatís up with that odd motorcycle in the bed? It looks like it has solid steel wheels.
Forum: Model A (1928-31) 08-31-2019, 10:47 PM
Replies: 22
Views: 1,879
Posted By Sparky
Re: Offenhauser Friction Shocks on rear . . .

No it is not welded, a long bolt passes thought it into the frame.
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