Page 1 of 1
Connecting gears for servos
Posted: Thu Nov 12, 2020 3:27 pm
by mymodeltrain
I had a Regner live steam locomotive in the past but I sold it. For somehow I started to get some interest in live steam again; probably, the approaching holidays always give me some good mood about garden trains. I just bought a second-hand Accucraft Mortimer on Ebay. And I also bought some servos and the receiver for RC modifications. I wonder where to find some connection gears, like the tiny screws, rods for connecting the servos to the regulator.
Re: Connecting gears for servos
Posted: Fri Nov 13, 2020 9:17 pm
by Trevor Thompson
I think you are going to have to make some of these parts.
You should have received a set plastic cranks with each servo, as well as the screw to hold the crank to the servo.
Then you will need to drill a hole in the regulator arm and reverser arm. Exactly where may take some experimenting. and more than one hole would allow for adjustment.
Joining the two ends together can be done with lengths of brass or steel wire. Perhaps 0.8 to 1mm diameter. Just bend the wire to suit. If its wrong use another length of wire to try again.
Some examples.
A length of wire as a reach rod:
- IMG_0995.jpg (256.53 KiB) Viewed 2728 times
wire for the regulator connection:
- IMG_1011.jpg (238.99 KiB) Viewed 2728 times
and a close up of the regulator and whistle valve connections using wire:
- IMG_1019.jpg (248.21 KiB) Viewed 2728 times
Trevor
Re: Connecting gears for servos
Posted: Mon Nov 16, 2020 2:41 am
by mymodeltrain
Trevor Thompson wrote: ↑Fri Nov 13, 2020 9:17 pm
I think you are going to have to make some of these parts.
You should have received a set plastic cranks with each servo, as well as the screw to hold the crank to the servo.
Then you will need to drill a hole in the regulator arm and reverser arm. Exactly where may take some experimenting. and more than one hole would allow for adjustment.
Joining the two ends together can be done with lengths of brass or steel wire. Perhaps 0.8 to 1mm diameter. Just bend the wire to suit. If its wrong use another length of wire to try again.
Some examples.
A length of wire as a reach rod:
IMG_0995.jpg
wire for the regulator connection:
IMG_1011.jpg
and a close up of the regulator and whistle valve connections using wire:
IMG_1019.jpg
Trevor
Thanks Trevor the photos and information on the servo connecting wires. I am ready for the challenge during this coming Thanksgiving holiday.
Re: Connecting gears for servos
Posted: Wed Nov 18, 2020 5:06 pm
by SimonWood
mymodeltrain wrote: ↑Thu Nov 12, 2020 3:27 pm
I had a Regner live steam locomotive in the past but I sold it. For somehow I started to get some interest in live steam again; probably, the approaching holidays always give me some good mood about garden trains. I just bought a second-hand Accucraft Mortimer on Ebay. And I also bought some servos and the receiver for RC modifications. I wonder where to find some connection gears, like the tiny screws, rods for connecting the servos to the regulator.
In converting my Regner Konrad to RC I bought some "Pushrod Linkage Stoppers" which a friend in the Glamorgan and Gwent group advised me to use (I just went and searched on eBay...!)
I found these absolutely invaluable - both in saving labour and allowing for easy adjustment of the linkages.
Re: Connecting gears for servos
Posted: Fri Nov 20, 2020 5:09 pm
by mymodeltrain
SimonWood wrote: ↑Wed Nov 18, 2020 5:06 pm
mymodeltrain wrote: ↑Thu Nov 12, 2020 3:27 pm
I had a Regner live steam locomotive in the past but I sold it. For somehow I started to get some interest in live steam again; probably, the approaching holidays always give me some good mood about garden trains. I just bought a second-hand Accucraft Mortimer on Ebay. And I also bought some servos and the receiver for RC modifications. I wonder where to find some connection gears, like the tiny screws, rods for connecting the servos to the regulator.
In converting my Regner Konrad to RC I bought some "Pushrod Linkage Stoppers" which a friend in the Glamorgan and Gwent group advised me to use (I just went and searched on eBay...!)
I found these absolutely invaluable - both in saving labour and allowing for easy adjustment of the linkages.
Agreed, I just received some last night. It worked out well as I attempted to fit in here and there, and it looked professional with these screws, as you said saving a lot of efforts. I will eventually be doing a few drillings next week. But first, I will test the Accucraft Mortimer this week-end to see how it works. Thanks