Coromal Camper Electric Lift Crank Thingie

Submitted: Wednesday, Jun 23, 2010 at 19:32
ThreadID: 79583 Views:5829 Replies:4 FollowUps:5
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Anyone know where to get a battery or 12 volt electric attachment for the wind up roof on a Coromal Camper.

Battery drills are no good. 240v maybe, but I mostly freecamp, without generator.

Coromal is especially hard to wind compared to the rest.
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Reply By: Ianw - Wednesday, Jun 23, 2010 at 20:00

Wednesday, Jun 23, 2010 at 20:00
You could possibly adapt the motor assembly from an electric jack to do it for you.

car jack

Ian
AnswerID: 421878

Follow Up By: chingate - Thursday, Jun 24, 2010 at 10:38

Thursday, Jun 24, 2010 at 10:38
Great idea.
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Reply By: Member - Christopher P (NSW) - Wednesday, Jun 23, 2010 at 21:12

Wednesday, Jun 23, 2010 at 21:12
What ever you use will have to be geared for the job, i reduce to minimise overloading motor. If you use a geared motor with a high torque/load capcity. Below are some suggestions.

Links for attachment.



DC Geared motors

Ebay stepper and geared motors

You may need to lube up any moving/ sliding parts to help the motor, with a silicon based lube so no dust is attracted.

One other thing get a torque wrench and see how much torque is needed to wind up the top BEFORE purchasing said motor.

Our you could try and hunt up a garage door opener that is 12v dc as i know they have the torque. Wind sreen wiper motor from a caterpillar excavator or skid steer loader or a starter motor, but just remeber a starter motor has ann approx 2kw's, you can pick up a starter motor cheap. an old gearbox might have the right size gears to fit???

but if you want simplicity then a reduction gearbox/ motor combo would be the way to go.
AnswerID: 421889

Follow Up By: chingate - Thursday, Jun 24, 2010 at 10:35

Thursday, Jun 24, 2010 at 10:35
Excellent idea.

A reduction gear to fit a cordless drill is an idea, if my drill battery has the endurance.
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Follow Up By: Member - Christopher P (NSW) - Thursday, Jun 24, 2010 at 11:17

Thursday, Jun 24, 2010 at 11:17
An 18volt or 24 volt variuos speed cordless should have a variable speed setting on it, my question is how strong are your wrists?????

most of the lithium cordless drills are that torquey they can snap a wrist pretty quickly!!!!!!
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FollowupID: 692339

Follow Up By: chingate - Thursday, Jun 24, 2010 at 11:50

Thursday, Jun 24, 2010 at 11:50
Yes, 18v and 24v frills are maybes, pretty good for lowering jacks, and might even do the easier windups like Jayco.

But Coromal windups are hard work. I'm a healthy 54 years old, and I find them difficult. A pity, cos I reckon Coromals are otherwise the best bed-end campers available.
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FollowupID: 692343

Reply By: HGMonaro - Wednesday, Jun 23, 2010 at 22:03

Wednesday, Jun 23, 2010 at 22:03
you could try Coromal...
AnswerID: 421901

Follow Up By: R.J.W. - Thursday, Jun 24, 2010 at 13:36

Thursday, Jun 24, 2010 at 13:36
Getabout campers sell the real thing for them for $990.00
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FollowupID: 692353

Reply By: PradOz - Friday, Jun 25, 2010 at 14:27

Friday, Jun 25, 2010 at 14:27
Hi - love to see what you finally end up with to do the job. Plenty of people have asked same question over the last few years. I have seenc photos of setups in campers with a simple motor (boat loader - winch type?) hooked up to a batterey doing the job for them. Still searching for something simple myself due to my spine problems. Love to see something thats simple and inexpensive. Please post what you end up finding as the best way to do this with minimum of fuss or energy, cheers....
AnswerID: 422097

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