My A10 Scratch Build 1/7 EDF - Page 6 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 10-14-2016, 01:37 AM   #51
jim.f.hertel@gmail.com
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Re: My A10 Scratch Build 1/7 EDF


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FYI, I have plenty of misaligned cuts and slots. This version of the plans also has many mistakes and inaccuracies. I do a lot of test fitting and making adjustments to get things working right before I glue a part together. Fans you see on the wall eject air outside similar to a typical washroom fan. For heavy duty sanding I hook up a shop vac to pull most of the dust away. The swept part of the A10 wings were more challenging dealing with misaligned cuts. I am sure most of the misaligned cuts would not happen if the plans were from a PDF file(vector graphics with precision) instead of just paper plans that had been blown up from 1/9 scale to 1/7 scale. The blow up in scale will also magnify errors in the plans. Its been a challenge to check/cross check parts to make sure everything is right.
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Old 10-14-2016, 11:27 AM   #52
stegl
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Re: My A10 Scratch Build 1/7 EDF

If you are still looking at carbon fibre wing tubes , try EBay as there is some nice stuff out of china but only in metric sizes. Bought some a year ago and pretty impressed.
Be interesting what you have for weight so far. The only issue that you may have is
the distance of the EDF , ESC and Batteries from each other as this stuff doesn't like long leads.
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Old 10-14-2016, 11:53 AM   #53
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Re: My A10 Scratch Build 1/7 EDF

Quote:
Originally Posted by Dan crash O View Post
Depends what size you need. The p20 (5.5 thrust) that I haven't ran yet was $3000 but if you get a p70 I think they are $2000 and around 18 thrust if I am not mistaken
Doing a great build job on this baby , Jim. The Jet Cat P20 ( at $2575 each) would be sucking for air ; no pun intended ; with total thrust at 11 lbs and at more money than a pair of the new Jets Munt M70XBL (with brushless pump and starters with adjustable power from 40N to 70N) at $1795 usd each from Altecaire RC but Peter may be able to cut you a better deal on a pair with a drop ship from Spain .
Regardless of the power used , EDF or turbine I am going to have to say that the all up weight of a fully sheeted aircraft of this size is going to be
up around 18-20 lbs with all the electronics, batteries and retracts.

Going glass/paint finish or iron on covering ?

Keep up the build, great job.
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Old 10-14-2016, 02:54 PM   #54
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I am going with monokote covering. Rudders are already covered. The all up weight on this 98" wing span bird is supposed to be about 30 lbs.
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Old 10-14-2016, 02:57 PM   #55
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A pair of fan jet 120s can deliver at least 180N of thrust which should be good. http://www.turbines-rc.com/en/110mm-...mm-carbon.html
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Old 10-14-2016, 07:16 PM   #56
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At this point the current weight of the A10 in the picture is 7.75 lbs.
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Old 11-09-2016, 10:55 PM   #57
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Re: My A10 Scratch Build 1/7 EDF

A couple more pics
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