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« on: July 29, 2012, 09:08:56 PM »
sbajare
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hi,

A friend of mine Col.H.K.Sil. built a coro wot and modified it for a 9cc NGH petrol engine. The model is built entirely from coro and 3mm ply for formers. have attached pics of the build.


DSC02001.jpg
Coro wot build for 9cc petrol engine
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« Reply #1 on: July 29, 2012, 09:12:15 PM »
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more pics to show quality of the build. its a clean and true modellers dream


DSC02005.jpg
Re: Coro wot build for 9cc petrol engine
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« Reply #2 on: July 29, 2012, 09:13:34 PM »
sbajare
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this is the beautiful masterpiece for which the model is built.


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Re: Coro wot build for 9cc petrol engine
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« Reply #3 on: July 29, 2012, 09:15:49 PM »
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indeed.... very nice build...!  beauty.. and very clean..
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« Reply #4 on: July 29, 2012, 09:22:36 PM »
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Very neat build indeed.. what tool was used to cut the hole in this former.
http://www.rcindia.org/gas-glow-nitro-planes/coro-wot-build-for-9cc-petrol-engine/?action=dlattach;attach=659802;image
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« Reply #5 on: July 29, 2012, 10:50:13 PM »
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beautiful build!! I'm thinking on the same lines as SunlikeStar.
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« Reply #6 on: July 29, 2012, 11:38:03 PM »
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if i have got it right, for the same cutting i use a FRET saw is used to ... a long u shaped saw...

u may have seen it with people who cut the wooden switch board (that is electric) i use a manual....

a finer blade will give u a smoother cut..... also u can adjust the tension in the blade for different cuts...

http://en.wikipedia.org/wiki/Fretsaw
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« Reply #7 on: July 30, 2012, 05:31:40 PM »
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Wings look so good (aerofoil), nice work, can u post build pics of wings

Regards
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« Reply #8 on: July 30, 2012, 07:03:39 PM »
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hi,

this model has been built with a lot of patience and thinking.

the holes in the former have been made by using dremel.

will maiden it soon and post the final flight pics.

regds
sandeep
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« Reply #9 on: August 16, 2012, 10:04:56 PM »
sbajare
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hi,

posting pics of the finished model.

engine is under breakin testing.

will fly soon.

DSC02083.jpg
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« Reply #10 on: August 16, 2012, 10:14:54 PM »
satz flying
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 Thumbs Up Good job
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« Reply #11 on: August 16, 2012, 10:23:18 PM »
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 Good job  Hats Off

please share details of AUW and CG. Visually it appears to be nose heavy I may be wrong though.
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« Reply #12 on: August 16, 2012, 10:58:48 PM »
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Bajare sir, Looks GRATE (Wingspan 64" ?),
Dimension please. And waiting for the flight video.

Thanks
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« Reply #13 on: August 17, 2012, 08:50:59 AM »
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Hai Bajare sir greet job, waiting for flying video  Smiley  Smiley  Smiley
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« Reply #14 on: August 17, 2012, 11:43:07 AM »
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 Salute hard to believe that its a scratch built SPAD!!! Amazing craftsmanship  Hats Off
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« Reply #15 on: August 30, 2012, 07:55:35 PM »
sbajare
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hi,

Maiden flight today after all the waiting. The flight was right off the drawing board. no trims required and the CG was perfect.

wingspan - 67" tip to tip
All up wt - 3100gms
Engine - NGH 9cc petrol
propeller - 12x6

Initially the engine was erratic and not runnning well as the pump was too far after relocation, bringing it closer to the carb made quite a difference and the engine was running well and seemed to idle well with a 12x6.

pics below




DSC02261.jpg
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« Reply #16 on: August 30, 2012, 08:21:42 PM »
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congrats on maiden, this engine sniffs fuel, with a 220 cc tank it gave 45 min of Flg time
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« Reply #17 on: August 30, 2012, 09:40:39 PM »
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I liked it very much....! ;>)
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« Reply #18 on: August 30, 2012, 10:07:04 PM »
satz flying
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post video Smiley
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« Reply #19 on: August 30, 2012, 10:17:34 PM »
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Awesome creation sir  Clap Clap Clap Clap Clap Clap Clap Clap Clap Clap
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« Reply #20 on: August 31, 2012, 03:55:13 AM »
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Video Pleeeeeeeeease!
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« Reply #21 on: August 31, 2012, 09:42:55 AM »
sundaram
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Great Build there. An Absolute beauty.  Clap Clap Clap

The pump with fuel line not located less than 85mm from the Carb is proving to be an tuning nightmare for most of us and which we realize late.  Wink Here in Shillong cumulative with high altitude and low ambient temperature tuning temperament is multiplied many folds due to this.
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