NEWS FLASH - December 2013
We are now selling magneto bearings, insulators, oil seals and armature shims from our on-line shop.

Brightspark Magnetos

NEW ... Take a look at some of the equipment we use in our workshop for magneto servicing and overhauls.

 

 

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FAQ sections:

FAQs about the EasyCap
FAQs about magneto condensers
FAQs about magnetism and remagnetising
FAQs about ATDs and timing
FAQs specific to Lucas magnetos
FAQs about magnetos generally

In this section:

Do I really need to disconnect the old condenser?
Is the EasyCap covered by a guarantee?
How can a capacitor so small do its job properly?
What is the capacitance of the EasyCap?
What is the voltage rating of the EasyCap?
What is the dV/dt rating of the EasyCap?
Over what temperature range can the EasyCap be used?
Is the EasyCap susceptible to high humidity and dampness?
What quality control is the EasyCap subjected to?
How long will an EasyCap last?
How can I check my EasyCap?
Can I make my own version of the EasyCap?

FAQs

How can I check my EasyCap?

Each time that you service the contact breaker points on your magneto, it is a simple matter of undoing one or two screws to remove the EasyCap for checking.

If your magneto has suffered badly from a leaking oil seal, clean any traces of oil from the EasyCap. Also if your magneto has suffered badly from the damp, ensure that the contact surfaces of the EasyCap are clean and bright and that the EasyCap is dry.

Many multimeters include a capacitance measuring function that can be used to check that the capacitance of the EasyCap between its two contact surfaces is still within specification:
     135 to 165 µF for the C01, C02, C03 and C05;
     122 to 150 µF for the C04.

The leakage resistance can also be checked. However, faulty capacitors in general often only exhibit unacceptable leakage when subjected to high voltage, and the resistance measuring function of most multimeters only tests at a few volts. The EasyCap can be checked with a megger, and we recommend using a 500 V setting. If you do not have a megger, you may be able to find a friendly electrician who can assist. Once the megger has charged the capacitor up, the reading should be in excess of 1 GΩ (1,000,000,000 Ohms) or off the scale.

In the absence of suitable test equipment, you can always check an EasyCap by replacing it with a new one and seeing if it makes any difference. As it says in many of the old service manuals for coil ignition, "The best check for a condenser is by substitution." Remember, with the EasyCap, this is a simple, quick and inexpensive option. By contrast, if your magneto were still fitted with a condenser buried in the armature, substitution would not be at all straightforward ... and if the old condenser were potted in resin, its removal would probably also be its destruction.

 

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Home EasyCap™ condensers Magneto parts Magneto services Magnetos for sale Online shop Conden­sectomy Magneto maint­enance Library Down­loads FAQs Gallery Work­shop Inform­ations en français Testi­monials News Links Contact

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