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Forum: Gas Engines

06-19-2021, 10:17 PM

Replies: 2,806

Saito FG-60R3

Views: 708,013

Posted By lolo396

Hi DeeCee 57, How much RPM on ground with...

Hi DeeCee 57,

How much RPM on ground with your 3 blade Mejzlik 19x11N ?

Forum: Gas Engines

06-24-2019, 07:05 AM

Replies: 2,806

Saito FG-60R3

Views: 708,013

Posted By lolo396

It's not easy, but we can do it. the height of...

It's not easy, but we can do it.
the height of a magnet is 4mm
Drill a 2.5mm hole under the magnet and make a slit to the top (see photo)
Then push the magnet with a 2mm steel rod

Forum: Gas Engines

06-23-2019, 07:32 AM

Replies: 2,806

Saito FG-60R3

Views: 708,013

Posted By lolo396

Here is a picture of the modification of my...

Here is a picture of the modification of my propeller hub.
You need a stop piston and Rcexl Ignition Hall Sensor Test Kit Timing . Cost 15$
I move only 3 magnets to have 30 degrees BTDC.

2264686

Forum: Gas Engines

06-18-2019, 06:16 AM

Replies: 2,806

Saito FG-60R3

Views: 708,013

Posted By lolo396

Hello, I regularly read this forum, but this...

Hello,

I regularly read this forum, but this is my first intervention to share my experience.
You can see on this graph the engine RPM on the ground and during the flight with a Mejzlik 22 x 10 :...

Forum: Engine Conversions

03-26-2009, 04:55 PM

Replies: 1,445

New CDI - opensource project JMJ and Bigboat

Views: 295,041

Posted By lolo396

RE: New CDI - opensource project JMJ and Bigboat

I do a PWM 25 kHz to drive a TIP122 and the transformer and I get 200V on the capacitor.

The problem is the same, the Thyristor never shut down. I got only 1 spark. It is the reason why the...

Forum: Engine Conversions

03-25-2009, 03:53 PM

Replies: 1,445

New CDI - opensource project JMJ and Bigboat

Views: 295,041

Posted By lolo396

RE: New CDI - opensource project JMJ and Bigboat

Hello,

I do my own CDI on the basis of your but with a ATmega8.
He works perfectly with the following coil :
27 turns for primary and 4500 turns 1/10 for secondary.
more than 5 hours with...

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