Search: Posts Made By: The Don
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02-15-2009, 04:49 AM
Replies: 18
Views: 7,090
Posted By The Don

Did not think to look at it that way! At a 20...

Did not think to look at it that way! At a 20 gram flying weight, looks like I am at ~28 watts per pound. A real power monster :)

Don
02-15-2009, 04:34 AM
Replies: 18
Views: 7,090
Posted By The Don

We had another flying session tonight. I waited...

We had another flying session tonight. I waited until near the end until the gym was down to 2 models. I put in an Eflite 110 mah lipo and got my best flight to date, 20 minutes and 26 seconds :)
...
01-02-2009, 12:48 AM
Replies: 18
Views: 7,090
Posted By The Don

I wanted to let you guys know I did the rudder...

I wanted to let you guys know I did the rudder modification and flew the wing last weekend. What a big difference it made. Rudder control is 100% better. I flew threee batteries worth of flights at...
11-30-2008, 06:06 AM
Replies: 18
Views: 7,090
Posted By The Don

Gronk flies! Got a few flights in today. The gym...

Gronk flies! Got a few flights in today. The gym was small and had all the heat vents blowing air straight down fom the ceiling which made flying quite difficult. This model has such a low airspeed...
11-13-2008, 05:32 AM
Replies: 18
Views: 7,090
Posted By The Don

Gronk is finished. Ready to fly weight is 20.14...

Gronk is finished. Ready to fly weight is 20.14 grams :)

Don
11-12-2008, 03:37 AM
Replies: 18
Views: 7,090
Posted By The Don

Only a wicked light motor I think :p> Here...

Only a wicked light motor I think :p>

Here are more photos, the airframe is complete, just need to install radio gear now. The weight is 9.4 grams without the radio gear. Looks like I will make my...
11-10-2008, 04:41 AM
Replies: 18
Views: 7,090
Posted By The Don

Thanks Larry!!! It is coming along good. I have...

Thanks Larry!!! It is coming along good. I have decided to add gear so I can ROG in the gymnasium. Here are more photos.

Don
11-09-2008, 08:04 PM
11-07-2008, 09:57 PM
Replies: 18
Views: 7,090
Posted By The Don

This is actually heavy for me for this kind of...

This is actually heavy for me for this kind of building. Here is one of my lighter ones :)
11-07-2008, 04:42 AM
Replies: 18
Views: 7,090
Posted By The Don

Some more pictures and update. I made the elevons...

Some more pictures and update. I made the elevons today. The weight of the wings and elevons as in the photo are 3.5 grams. I am doing good on tagret weight. Covering with tissue will be 3 more...
11-04-2008, 06:13 AM
Replies: 18
Views: 7,090
Posted By The Don

I have not decided yet. My free flight version...

I have not decided yet. My free flight version was covered with condenser paper which is the paper they use in winding paper capacitors. That paper is about .35 grams per 100 square inches. The...
11-04-2008, 05:21 AM
Replies: 18
Views: 7,090
Posted By The Don

Thanks! Here is a new photo I added the diagonal...

Thanks! Here is a new photo I added the diagonal ribs. That is all for tonight.

Don
11-04-2008, 04:10 AM
11-03-2008, 04:57 AM
Replies: 18
Views: 7,090
Posted By The Don

That is the plan. The free flight version was 17...

That is the plan. The free flight version was 17 grams and had two 50 mah nicads for power.

Here are some more photos.

#1 cut our the diagonal ribs.
#2 general layout of all ribs in place...
11-03-2008, 03:50 AM
Replies: 18
Views: 7,090
Posted By The Don

Here are some build photos. The wing spars are...

Here are some build photos. The wing spars are 1/16 x 1/8" 6-7 lb density balsa. The ribs are cut from a sheet of .040" balsa that is about 6 pound density as well. The airfoil is a 5% simplex.
...
11-03-2008, 03:46 AM
Replies: 18
Views: 7,090
Posted By The Don

Scratchbuild Contest # 2 Enty: "Gronk" 36" span, 20 gram, Indoor RC Flying Wing

Here is my official build thread for "Gronk"

Specs:
wingspan: ~36"
approx finished weight: 20 grams
radio: Parkzone vapor brick
lipo: 1S 70 mah lipo


Don
Showing results 1 to 17 of 17


 
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