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« Reply #150 on: June 03, 2020, 11:14:49 AM »
Adarsh Lakshman
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Does your friend in Pune deal in balsa FF kits? Like guillows,peck polymers etc?
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« Reply #151 on: June 03, 2020, 12:25:29 PM »
Glidiator
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He has his own kits. Not scale models but few indoor/ outdoor FF models.
He also has nose hubs and prop spars  fixed at 45deg to which any blade shape can be attached. Very useful for  rubber FF C scratch building and experimenting with different prop shapes and different  helical twist.

YES Gulliows kits don’t fly too well.
Are you into scratch building from plans. Can make some not very complicated models that fly well.
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« Reply #152 on: June 03, 2020, 12:30:13 PM »
Glidiator
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If you are ordering rubber from him - check what widths he has and stock different rubber widths. Then you can make various models of different weights and spans.
Have you made any indoor rubber model ?
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« Reply #153 on: June 03, 2020, 01:09:33 PM »
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Attaching his message

“ I have stocks of 1/16", 3/32" and 1/8". The last one 1/8 is equivalent to 2/16 and he needs 3/16.
He can try a combination of  two loops 1/8 + 1/16 which equals 3/16.
I can supply this way.”

Contact him on +91 98901 25914.-

Happy flying

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« Reply #154 on: June 03, 2020, 01:46:51 PM »
Adarsh Lakshman
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Wow! Thanks!
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« Reply #155 on: June 03, 2020, 01:48:15 PM »
Adarsh Lakshman
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Haha as a matter of fact I was going to start my first scratch build today of a heinkel 71 A from a peanut scale Walt mooney plan
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« Reply #156 on: June 03, 2020, 02:17:03 PM »
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Hi Adarsh,
Good to see a peanut builder in the forum!
Hope the Pune source works out.
Here’s what I drew up last month, but yet to start building it...

Regards
Iyer


A5BFABE8-77C8-49A1-8723-4709BE13C933.jpg
Re: 1st Rubber Power model
* A5BFABE8-77C8-49A1-8723-4709BE13C933.jpg (54.16 KB, 800x615 - viewed 257 times.)
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« Reply #157 on: June 03, 2020, 03:29:43 PM »
Adarsh Lakshman
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That's a nice design! Is it yours? O am planning to start the Walt mooney heinkel 71 A today. I messaged the pune person,and I am waiting for the reply. Hopefully I'll be able to get some rubber
By the end of the month?

Regards
Adarsh
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« Reply #158 on: June 03, 2020, 05:47:34 PM »
Glidiator
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@Adarsh If postal services are normal it should come soon.
Are you on the Hippocketaeronautics forum. If not recommend joining. Lots of useful info and you will get a lot of good advice from experts for any difficulty you have in building or improving performance.
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« Reply #159 on: June 03, 2020, 06:09:50 PM »
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Hi all,
How many on the Facebook group— Indoor Free Flight.
A Corona Livingroom mini stick postal contest is on since March with everyone stuck inside their homes with the lockdown. It is a single design contest of a model call — “” Scraps”.— a 1940s design somewhat like a mini hangar rat.
I’ve joined the fun and posted some of my efforts.
All the worlds champions are participating.
I’ve managed No Touch flight of 30 secs in my guest room that has least obstructions. The champs are posting flights of over 3 mins. John Kagan - the F1D 60min flight record holder has done. flight of 6 mins.
Different categories- No touch, with steering, original design model, modified design etc, etc.
Lots of action.
Check out the Facebook group and join the action
http://indoorfreeflight.com/scraps.html
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« Reply #160 on: September 12, 2020, 06:35:31 PM »
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Finally got down to test flying my first twin prop rubber model - the Peabody Packet.
Took a video in Slow Motion that gives a good view of the flight characteristics
Short test flight in restricted space of about 10 mtrs length in my cluttered drawing room.. Earlier flights showed a slight stall - so added some nose weight, Also corrected the tendency to turn sharply to port by giving about 50 more turns on port motor. Flight was on a straight path and there was no loss of height till it hit the opposite side -a slow climb after halfway mark could be seen. The card tab elevators were full 09 deg. Now for full power flights in larger space or outdoor in calm winds.
Main wing spars made from Paulownia wood - a bit heavier than balsa but stiffer and stronger. covering is thin grocery bag plastic. Wing held to fuselage by rubber bands and booms held to wing by rubber bands. V Tail held at apex by thin thread tied in small tabs. So whole model can be fully dismantled for transportation / storage. Rubber motor 3/32" loop that was hook to hook length. 250 turns on Starboard motor , 300 turns on port motor. Will use much longer loop and wind off the model to full torque for longer flights in calm outdoor conditions or in large indoor space.

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« Reply #161 on: September 12, 2020, 06:51:37 PM »
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MICROSTAR 2000



 Thumbs Up reminded me of my first powered free flight had to run behind it  Grin
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« Reply #162 on: September 12, 2020, 07:38:09 PM »
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@glidiator,

Eagerly await a better quality video, maybe outdoors (ie, no tubelights!)

Regards
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« Reply #163 on: September 12, 2020, 08:35:35 PM »
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The LED bulbs seem to be creating the flicker in slow motion.
The flight in the normal speed video was too fast to get a good appreciation of what the model was doing so took a slo-mo video.
Still raining pretty heavily past few days. Waiting for clear weather to do an outdoor test flight. Large indoor spaces still shut due to Corona. The temptation to test fly it in restricted space indoor even at the risk of damage was too strong. Luckily no cracks or other damage to frame in the test flights conducted for getting a decent trim indoors.
Longer loops wound off the model to appropriate torque should give satisfying flight duration. That will also need some more trimming for higher power.
Lots to do to get it finally right.
Anant 
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« Reply #164 on: September 13, 2020, 09:00:17 AM »
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Gladiator, hope you find a great big indoor place as in your past videos. This "Packet" is truly lovely with great potential. Congratulations.
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« Reply #165 on: September 13, 2020, 02:37:59 PM »
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Yes the Packet seems very promising.
After this positive experience with the Packet have downloaded the plans of some interesting “No Cal” twin prop models like the B12 and B 25 which I aim to add to my to do list of multi prop models.
Got the links from parmodels.com site you sent me.
Things are slowly opening up so the large indoor spaces should soon be available.
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« Reply #166 on: October 02, 2020, 07:37:43 AM »
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Thank you for sharing this, which I found by searching for Bobni. I built both the Bobni and Sitni as a pre-teen in the mid 1960s in Bombay.
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« Reply #167 on: October 02, 2020, 07:40:21 AM »
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Thumbs Up reminded me of my first powered free flight had to run behind it  Grin

In the 1960s I used to go with an older friend to the Oval in Bombay to fly his powered planes. He would put a few drops of fuel and launch, to see the plane come down a few hundred metres in front of us when it ran out of fuel.
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« Reply #168 on: October 02, 2020, 11:06:21 AM »
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That was a different Bombay. I staying on Wodehouse Road bear Regal theatre.
Today Oval is like a fish market . House abutted the ground that Campion school used. Their air wing NCC used to fly control line models in the ground. That inspired me a lot in my Aeromodelling interest.
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« Reply #169 on: October 02, 2020, 01:22:19 PM »
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control line models

If that's the kind where there are two wires that come out of a wing and you move a handle to cause it to rise and descend, then my friend had one of those. Unfortunately, one came apart in mid-air and crashed on a passerby. The propeller was still spinning and cut his face, but it was minor and he laughed it off.
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« Reply #170 on: November 06, 2020, 07:46:49 PM »
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Hi all,

Just finished an outdoor/indoor all sheet model -- THE ZIP
A fairly easy quick build. Weight without any finish -- 21.5 gms
Used 1mm Paulownia sheet for main wing as this wood is very stiff and will not dent easily.
Did some very preliminary test flights in an outdoor space near my house. A bit of a stiff sea breeze. The model struggled to make headway against the wind but kept a steady height and was turning towards right. No videos as my mobile is kaput.
 Need to increase power. Now using 2 loops of 3/16 rubber - will upgrade to 1/4 and see if more torque /power improves performance.
Need to build a stooge to fix model and stretch wind rubber on the field.
Grass on the field is dry now and just right in height to prevent damage to model in hard landings / dives during test flights.
Lots of testing to be done - a flight anywhere near 1 min will be great. A capacitor power plant should also work well I fell - will try that 
Anant   

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« Reply #171 on: November 06, 2020, 08:14:27 PM »
K K Iyer
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@glidiator

Sir,
If you could arrange for props (commercial or hand made), hubs, axles, balsa strips and rubber, it might be possible to generate interest in a one design contest, with an AMA Delta Dart or Hangar Rat or similar.

It’s not easy, and won’t be economically viable, so I wonder if it’s worth the effort.

BTW, await your Lunchbox!

Regards


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« Reply #172 on: November 06, 2020, 08:35:07 PM »
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@KK

Dear KK.

The contest could be conducted using the SPINBOY Kit made by Mr. Madhav Khare of Pune. It is a good easy build with all laser cut parts and prop with hub and TAN rubber etc. Cost is within Rs.300/- Can be built in a couple of hours. Very little trimming required. Had posted a flight of this model on this thread earlier. My model flew pretty well straight of the board.
Could propose and see the response.



Regards
Anant
 
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« Reply #173 on: November 06, 2020, 10:05:49 PM »
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Worth trying.
10 entries would be a good achievement.
Though you will be out of pocket if you offer prize money!
Regards
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« Reply #174 on: November 06, 2020, 10:19:21 PM »
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Lets give it a go after the completion of the Lunchbox HLG/CLG event.
Regards
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