Unofficial NQD Tear Into Jet Boat Mod Thread - Page 9 - RC Groups
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Apr 28, 2011, 08:23 PM
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10x8's Avatar
Not in the US, but the kiwis have the NQD jet unit - http://www.rcnz.com/Shop/Service/Eng...tegoryLink=209

I have also seen the impeller only in an online NZ shop, can't find it now.

The Graupner mini jet does appear on ebay time to time, I know as I just sold one new in pack. Hobby Lobby??? Full spec NQD's are now appearing on ebay too.

Or, you could be the first to whack a 28mm drive into the NQD! http://www.jet-drive.de/index.php?op...id=4&Itemid=17

Put a low kv outrunner, say 1400-1500kv with 4s. It will be a little monster.
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Apr 28, 2011, 10:34 PM
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Actually, I might have a go with the 28mm.
Apr 30, 2011, 04:04 AM
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You wouldn't be the first, my bud Gerry has a 28mm KMB in his NQD.. lol.

http://www.youtube.com/watch?v=hNSLNzeDiB4

Its sick, and I want!
Apr 30, 2011, 04:37 AM
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:d:d:d:d
Jun 27, 2011, 06:37 PM
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does anybody know where i could get some standard replacement impellers from , ive transplanted the drive unit into a scratch built dory hull , just sucked up some blanket weed & broken a blade off the impeller !
Jun 28, 2011, 09:51 AM
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I bought another NQD from ebay Australia only $45 free delivery.

My new one is white.

My new one is not white! The add showed a white one & I got another bloody yellow one!
Last edited by mozzyrocks; Jul 18, 2011 at 12:07 PM.
Jun 28, 2011, 11:18 AM
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wparsons's Avatar
Quote:
Originally Posted by triumphjon
does anybody know where i could get some standard replacement impellers from , ive transplanted the drive unit into a scratch built dory hull , just sucked up some blanket weed & broken a blade off the impeller !
There was someone selling them on ebay for a while, not sure if they still are. I made a new one from a turned down plastic prop that works well.
Jun 28, 2011, 02:10 PM
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The EBay seller was superhobbystore but they don't seem to have any left.

http://cgi.ebay.com/ws/eBayISAPI.dll...m=400202682976
Jun 28, 2011, 04:40 PM
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wparsons , could you please tell me what prop you cut down ?
Jun 28, 2011, 04:56 PM
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wparsons's Avatar
Mine was just a plastic 32mm prop, took lots of cutting/filing to get it down. I put it in a dremel tool and used a big file to get the diameter right, then filed it smooth/sharper by hand.
Jun 28, 2011, 06:06 PM
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thank you , ive measured the stock shaft at about 2.5 mm ? so can look for a 32mm dia m2 prop for modding . does anybody sell a metal prop for the purpose ?
Jun 28, 2011, 07:59 PM
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The stock shaft is 2.3mm. You can "upgrade" the shaft to 3mm or 3.2mm for more prop choices if you can find some small bearings or bushings that fit the drive and the nozzle/stator. At the very least you will have to drill out the impeller shaft hole in the drive to accommodate the larger shaft.

I have never seen a metal impeller for these boats, but I would be interested to see how a ground down 3-blade metal prop would perform if correctly balanced and sharpened for the task.
Jun 28, 2011, 08:53 PM
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wparsons's Avatar
I used a bushing to fit the 1/8" shaft prop to the 2mm shaft (1/8" OD brass tubing), and also drilled a hole through the shaft to put in a pin instead of running a drive dog. I epoxied it all together and sanded it to balance it.
Jun 28, 2011, 11:15 PM
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My mate that owns RC Garage in Melbs, bought two NQD's & was told that there was a metal impellor available for them & that he'd get me one when he orders one.

Has anyone else heard of these?

I have yet to see them too.
Jun 29, 2011, 01:53 AM
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Never heard of a metal impeller made for these. That would be a great upgrade though!


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