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Prop balancing

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trebor18/12/2014 23:05:48
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What's the best glue to use on plastic prop hubs for balancing ?

Steve Dorling18/12/2014 23:12:55
41 forum posts
1 articles

Really ????frown

Not the way I'd do it old chap

john stones 118/12/2014 23:26:15
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On videos I've seen Robert they have used thick cyano and gave a squirt of activator.

John

Dave Hopkin18/12/2014 23:33:42
3672 forum posts
294 photos

Thick cyno IF the hub is out of balance, otherwise a tickle with find sandpaper on the heavy blade, but you will need a balancing jig.... this may help

**LINK**

trebor18/12/2014 23:40:27
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I have a balancing jig, I have cyno too but no activator. Can you buy it locally ?

trebor18/12/2014 23:41:12
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1906 forum posts
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Posted by Steve Dorling on 18/12/2014 23:12:55:

Really ????frown

Not the way I'd do it old chap

How do you do it ?

Dave Hopkin18/12/2014 23:42:26
3672 forum posts
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Only ever seen CA kicker in model shops or on-line I am afraid

john stones 118/12/2014 23:51:20
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Posted by trebor on 18/12/2014 23:40:27:

I have a balancing jig, I have cyno too but no activator. Can you buy it locally ?

screwfix sell it robert

trebor19/12/2014 00:09:30
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1906 forum posts
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That's where I will be tomorrow then at screwfix, got fed up of waiting for glue to dry on its own.

Dave Hopkin19/12/2014 00:24:03
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It'll be well dry by the time Screwfix open in the morning wink

Rick Tee19/12/2014 04:38:48
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297 forum posts
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Bicarbonate of soda works fine as an accelerator.

Ultymate19/12/2014 08:34:52
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1700 forum posts
62 photos

I only usually bother balancing hubs on large diameter props 25-32" size and to do so I stick a piece of self adhesive velcro the fluff type as opposed to the hook and load that with requisite amount of cyno to be honest I seldom come across props with out of balance hubs these days

Glyn4421/12/2014 21:09:10
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701 forum posts
92 photos

Hi,

Two things here Magnet ( the joinery company ) sell a ca and activator nice large amount for less than a tenner. It's medium to thick. Ask for Mitre joining adhesive. Well reccomended by several in my club.

Secondly how do I go about balancing a folding prop. Never done one, ta and a merry Christmas to all.

Glyn.

Dickw21/12/2014 21:42:58
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459 forum posts
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Posted by Glyn Calow on 21/12/2014 21:09:10:

.....................................................

Secondly how do I go about balancing a folding prop. Never done one, ta and a merry Christmas to all.

Glyn.

Rarely needed to balance, but if required I just use a balancer as shown in the photo and sand down the heavy blade. An alternative is to paint clear varnish / thin epoxy / cyano on the lighter blade.

I sand down because there is nothing to fly off or wear off later!

You can usually tighten up the blade hinge to stop them folding while balancing, but if not careful placing usually does the trick. If all else fails similar sized small pieces of sticky tape on the hub holds it straight and does the trick.

Dick

folding prop balancing.jpg

trebor21/12/2014 23:21:53
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1906 forum posts
214 photos

Thanks for the advise chaps, I got some activator in the form of a felt tip pen type. Works good with setting off thick glue. I've done 3 apc props and started on an alloy spinner. This was way out, balanced the back plate first then started the cone spinner. Would recommend checking every prop now before using them.

Glyn4422/12/2014 11:48:46
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701 forum posts
92 photos

Ok Thanks, all seems pretty obvious now you have told me.

Thanks again.

Glyn.

Ronos10/10/2016 20:31:53
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170 forum posts
17 photos
Any one balanced a five bladed prop?If so, how did you go about it. Done plenty of three bladed props

Edited By Ronos on 10/10/2016 20:33:46

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