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Home✈️Aircraft🚁HelicopterKyosho Caliber/Quest Neo-Caliber series › Anybody converted their Caliber 30 or 50 to electric?
07-24-2006 04:52 AM  14 years ago
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aerton

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Longueuil, QC, Canada

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Anybody converted their Caliber 30 or 50 to electric?
Anybody converted their Caliber 30 or 50 to electric?
Can someone share their experience?
Thanks
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07-24-2006 05:27 AM  14 years ago
dkshema

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Cedar Rapids, IA

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Search RR, especially this Kyosho forum. I recall seeing a modification in progress about a year ago, but don't ever recall seeing it completed, or any additional information on it being posted.


Give this thread a read...

http://www.runryder.com/t125482p1/

Keep in mind the thread started in 2004, and the state of the art in both motors and batteries (LiPos) has advanced a great deal since then.


Dave
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07-25-2006 09:59 PM  14 years ago
Up,Up,Subaru

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Europe,somewhere

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I have done a conversion of a Cal30.
It is not the simplest of mechanics to convert.
The result became succesful.

The biggest advantage is the primary belt drive that makes it superquiet.The same advantage is also the biggest problem.New motormount,longer belt etc.

I am really happy with it in its present state.

Doing a stretch to a 50 size upcoming weekend.

Is there any special info you need?
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07-26-2006 04:19 AM  14 years ago
aerton

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Longueuil, QC, Canada

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Thanks, you see I like the stability of Caliber 30.

And the weight seams comparable to other 30-size electric heli like Swift 16. I don't have neither Caliber 30 nor Swift.

Basically I wonder if any prebuilt motor mounts can fit the caliber frame, i.e. Raptor 30 conversion motor mount or some other.

Could you tell me how did you mount the motor pulley and where did you get it. I know there's SDP-SI that produce some pulleys, but I don't know about the pitch, number of teeth, etc.

These are the principle questions I have.

Thanks!
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07-27-2006 06:40 AM  14 years ago
Up,Up,Subaru

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Europe,somewhere

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You are right about the stability. It is a very forgiving design. Excellent beginners machine.

To my knowledge there isn't any prebuilt motormounts that can be used. The mount itself will be depending on the motor you will use. Most of the suitable motors have big outer diameters and will collide with the maingear. You will most likely need a longer belt. The belt is a metric standard called S3M, but a 3M will also work.

For a motorpulley i used the original plastic clutchbell and lathed away the bell part. I made an insert to replace the bearings. There are a number of standard pulleys available so finetuning the gear ratio shouldn't be a problem.

Hope this helps.

Regards!
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07-29-2006 01:47 AM  14 years ago
aerton

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Longueuil, QC, Canada

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Thanks
Interesting. I didn't realise that I would need a longer belt.

What's your current setup for it? (Motor, battery, esc, etc)

Thanks!
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07-30-2006 10:50 AM  14 years ago
Optech

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San Diego, CA.

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Unfortunately I've been spending too much money on other projects to do any further development on my E-Caliber project.

Here's a few comments I have;

1) It was alot easier of a conversion than I thought it would be although you will have to make your own motor mount plate and depending on the motor you use, modify a pulley to fit it.

2) One of the resons I have not had much enthusiasm to spend any more money on development is the fact that newer helicopters like the Swift and the Align600 are lighter purpose designed electrics. The reason I first converted my Caliber30 was the only real electric solutions were the highly over priced Logos or other German "few-offs", or a Raptor conversion. Also, I didn't want yet another brand of heli I would have to maintain parts for.

3) Even though the tooth on the Caliber belts and pulleys are S3M, The 3mm HD tooth pulleys from SDP-SI is almost the same and after a few minutes, the S3M belts on the Caliber wear in just fine. Just before the first flight, the mesh feeling was a little resistant and you could feel some cogging. After the flight every thing was smooth as silk.

4) I've noticed that others that have tried this conversion mount the motor in one position and then try to find belts/pulleys to fit.... Hog wash I say. I slotted my motor mount so that I could slide the motor back and forth to use any pulley I wanted with the stock Caliber primary belt.

5) The way I did it, other than four small holes and cutting the Caliber motor mounts, no other mods to the Caliber were necessary. In an hour I could drop the electrics, remount the fuel tank and engine assembly, mount the throttle servo and go fly nitro. Later I determined I wanted to run 600mm blades so I added a Trim Corp boom and belt.

6) All the detailed info/pics of my conversion is on the RCGroups web site. Search "Caliber" in the electric heli forum over there and check it out. Unless there is extreme interest I'm no longer interested in rehashing it here.

Mike
Viva La Airtronics!
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07-31-2006 05:26 PM  14 years ago
Up,Up,Subaru

rrNovice

Europe,somewhere

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Optech is right. No point in developing any more. There are a number of e-helis allready. The Cal30 can't compete. Personally i'm very impressed by Mikado Logo 14. Propably the best e-heli around.

Anyway, my setup as follows:
Kontronik Tango 45-10
Kontronik Jazz 80-6-18
Flightpower Evo20 3,7 Ah
HS 225MG for swash
HS 6965/GY401 for tail
Raptor's all metal rotorhead
SAB 600 mainblades, NHP 85mm tail

Getting 5,5-8 min flighttime depending on style.

The stretch to a 50 went good. Doesn't take that much more amps. Flies really nice!
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08-04-2006 11:46 AM  14 years ago
shesha

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Kuwait

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Have you looked at the T-Rex 600, a local flier at the club just got his hands on one, I helped him set it up, it's a monster.

Choice wise, I would go with the lepton though they are totally different class.
Zero bubble....
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08-07-2006 12:08 AM  14 years ago
Optech

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San Diego, CA.

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I'm waiting for the X-Cell MXR-500 Razor myself. They're saying the price should be the same or less than the Logo 14 and that parts prices will be at the Raptor level.

Mike
Viva La Airtronics!
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