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Old 11-05-2015, 12:01 AM   #1
Ronners
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Default Props

I'm currently scratch building a 100 inch four engined model and would like to fit 3 bladed contra rotating props (10 x 5 ) . I'm looking for a supplier and hope forum members might be able to help . I live in Spain . Thanks in advance for any suggested suppliers .
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Old 11-05-2015, 12:07 AM   #2
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There should be props that size available, but I have no idea of suppliers for Spain.
Easy to get here... I have some.

It is likely you'll have to get glow style props. I find the selection for electric 3-blade is not as good, especially in reverse pitch props.

If all else fails, there is a method for cutting 2 blade props to make 3 blade, then glue a plywood plate on each side of the hub to lock it together. Its successful for glow models and electrics don't impose the same loads so it should be fine. This gets unsightly for the props on a WWII bomber due to no spinner to hide the assembly. Hiding the hub in a spinner its a good solution.
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Old 11-05-2015, 12:15 AM   #3
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Ok thanks , I will explore both options
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Old 11-05-2015, 12:17 AM   #4
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Half my purpose of replying is keeping the thread near the top.
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Old 11-05-2015, 12:28 AM   #5
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Ahh ok , I'm new to the site . Thanks
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Old 11-05-2015, 01:20 PM   #6
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Ronners
I think you mean counter rotating props.
Contra rotating are two props rotating in opposite directions on the same axis as in the Avro Shackleton.
I managed to get some 9x5 counter rotating electric 3 blade through ebay from China and it was that prop size that actually set the final size of the plane!
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Old 11-05-2015, 01:56 PM   #7
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Yes of course your right do you recall the supplier name ? The max size props my motors will take is 10/6 but the slightly smaller size would work .
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Old 11-05-2015, 02:24 PM   #8
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Originally Posted by Ronners View Post
Yes of course your right do you recall the supplier name ? The max size props my motors will take is 10/6 but the slightly smaller size would work .
HeadsUp RC has got 'em. http://www.headsuphobby.com/GWS-1060...Prop-G-183.htm

"There is no such thing as paranoia. No. Not in the 21st century. Paranoia is just another word for ignorance." -- Hunter S. Thompson
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Old 11-05-2015, 05:18 PM   #9
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Abuelo
I cant remember which it was but this should do.
http://www.ebay.co.uk/itm/4-Pairs-Pr...wh6y2lAFVB_akQ
4 pairs so you would have a full set of spares but you might have to be patient on the delivery!
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Old 11-05-2015, 10:41 PM   #10
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quorneng, I think Ronners was the one interested. I just did some quick checking.

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Old 11-05-2015, 11:20 PM   #11
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Ok guys I found that APC do a three and four bladed electric prop 9/6 which will be perfect . Also a range of good size spinners to suit ..... Thanks for everyone's contribution )....
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