Search: Posts Made By: Larry3215
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Forum: Foamies
03-12-2010, 07:52 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Oh - the changes I did to the power system are...

Oh - the changes I did to the power system are working out great. Im now getting peak power of a little under 1200 watts. Thats about 175 watts/pound now so the performance is much better than...
Forum: Foamies
03-12-2010, 07:49 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Well, I finally got around to fixing BUFY up and...

Well, I finally got around to fixing BUFY up and getting back in the air :)

While I was at it I shortened the nose about 1.5" which allowed me to move the motor back. Now I can get the CG I want...
Forum: Foamies
10-05-2009, 08:35 PM
Replies: 50
Views: 16,141
Posted By Larry3215

Good luck and keep us posted on progress :)

Good luck and keep us posted on progress :)
Forum: Foamies
10-05-2009, 02:00 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Sorry PA. This was a TLAR build all the way. ...

Sorry PA. This was a TLAR build all the way.

However, you could take pretty much any Yak plans and just scale them up. The only places I departed from the basic Yak outline was making the rudder...
Forum: Foamies
09-06-2009, 06:38 PM
Replies: 50
Views: 16,141
Posted By Larry3215

Ouch! Glad you didnt have much damage :) ...

Ouch!

Glad you didnt have much damage :)

Im still debating whether to fix this one or finish the other one Ive started last year.....
Forum: Foamies
09-03-2009, 03:15 AM
Replies: 50
Views: 16,141
Posted By Larry3215

I had gotten several flights in on the new power...

I had gotten several flights in on the new power system over the last few days. I like it a lot!

Today I was extending my flight times to see how much longer I could run on the 9S packs. I got a...
Forum: Foamies
09-01-2009, 04:44 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Ive been messing with the power system. ...

Ive been messing with the power system.

Changed the gear ratio and motor for more power but that reduced flight times too much.

So tonight I changed the motor again to a Medusa 36-60- 1300 -...
Forum: Foamies
08-24-2009, 06:03 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Our models operate in a different realm from full...

Our models operate in a different realm from full scale planes. We can get away with things they cant due to the relatively low wing loading and relatively hi power loading.

Its kind of like why...
Forum: Foamies
08-24-2009, 02:10 AM
Replies: 50
Views: 16,141
Posted By Larry3215

No argument from me on that point. Hense the 'U'...

No argument from me on that point. Hense the 'U' in BUFY. It stands for Ugly :D :D
Forum: Foamies
08-24-2009, 01:38 AM
Replies: 50
Views: 16,141
Posted By Larry3215

At light wing loadings and slow speeds -...

At light wing loadings and slow speeds - basically all 3D and most all sport type flying - there is very little penalty in having a flat wing with square leading edges. In fact, its possible the...
Forum: Foamies
08-23-2009, 04:20 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Ive been flying BUFY quite a lot lately and Im...

Ive been flying BUFY quite a lot lately and Im getting it dialed in pretty well. Its now my second favorite plane after the Mega Capricorn.

I have decided to do some mods to get it tweaked a bit...
Forum: Foamies
07-06-2009, 05:20 PM
Replies: 50
Views: 16,141
Posted By Larry3215

You could do what I call a short field approach...

You could do what I call a short field approach instead. Its basically a flat spin that isn't very tight. More like very tight flat circles with the nose held slightly up but not quite in a harrier....
Forum: Foamies
07-05-2009, 03:55 PM
Replies: 50
Views: 16,141
Posted By Larry3215

The tree section we fly over is so dense with...

The tree section we fly over is so dense with under growth and Black Berries, that its a real chore just to move through it. Ive searched for downed planes for days only to discover that I had walked...
Forum: Foamies
07-05-2009, 04:11 AM
Replies: 50
Views: 16,141
Posted By Larry3215

I didnt have my camera with me today which is...

I didnt have my camera with me today which is tooooo bad. I could have shown you some good pics :D

By the way lightning DOES strike twice!

Some of you may remember last year I posted a video of...
Forum: Foamies
05-30-2009, 07:18 AM
Replies: 50
Views: 16,141
Posted By Larry3215

I finished dolling up BUFY a whiloe ago but just...

I finished dolling up BUFY a whiloe ago but just got around to shooting a few pics.

http://www.wattflyer.com/forums/attachment.php?attachmentid=102134&stc=1&d=1243664281
Forum: Foamies
05-05-2009, 03:51 PM
Replies: 50
Views: 16,141
Posted By Larry3215

Thanks Jim :) I'll have it dolled up here...

Thanks Jim :)

I'll have it dolled up here shortly - at least as much as Im capable of anyway ;)
Forum: Foamies
05-03-2009, 04:50 AM
Replies: 50
Views: 16,141
Posted By Larry3215

BUFY gets wet!

I got the original floats re-fit onto the new BUFY and went to the Lake Washington float fly this last Thursday.

Gerry D. was there too and he got some video of the maiden water flight.

The...
Forum: Foamies
04-17-2009, 05:41 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Dont worry Chellie, Ive learned my lesson and...

Dont worry Chellie, Ive learned my lesson and there WILL BE some pink on it for sure :D

I got a chance to do a fast maiden late today and it flys great!

I didnt get a chance to really wring it...
Forum: Foamies
04-11-2009, 07:11 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Ive been making progress on the v2 BUFY. Its...

Ive been making progress on the v2 BUFY. Its almost ready to maiden!

I still need to add some magnets to the hatch and do the wing retention bolts and battery straps.

Its 64" long by 72"...
Forum: Foamies
04-04-2009, 12:25 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Yeah, its full fuse this time around. Still...

Yeah, its full fuse this time around. Still relatively flat. I over sized the vertical dimensions of the fuse to enhance knife edge performance so Im afraid to do a full round fuse. The nose section...
Forum: Foamies
04-03-2009, 05:52 AM
Replies: 50
Views: 16,141
Posted By Larry3215

I've been working on the new BUFY off and on and...

I've been working on the new BUFY off and on and Im making progress. Might even get it finished up this week sometime :)
Forum: Foamies
01-30-2009, 06:19 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Now, Chellie. Dont be silly. We all know that,...

Now, Chellie. Dont be silly. We all know that, except for this thing you have about pink airplanes, you are perfect! :D
Forum: Foamies
01-29-2009, 08:08 AM
Replies: 50
Views: 16,141
Posted By Larry3215

Its been a while but Im about ready to get back...

Its been a while but Im about ready to get back to work on this project.

I will be wrapping up the XXL Polaris build in the next day or two so my bench will be clear!

Ive been debating about...
Forum: Foamies
12-19-2008, 11:03 PM
Replies: 50
Views: 16,141
Posted By Larry3215

Well folks, Im bowing out of the contest. ...

Well folks, Im bowing out of the contest.

Things kept getting in the way if this build. Pets, kids, grand kids, wives, relatives, work, other planes that should have been a quick fix/build but...
Forum: Foamies
10-15-2008, 06:20 PM
Replies: 50
Views: 16,141
Posted By Larry3215

Yeah, I know... life, relatives, kids and pets...

Yeah, I know... life, relatives, kids and pets have all been getting in the way of my fun lately!

Might be another week before I get started.

Im more motivated than I was. Ive discovered that...
Forum: Foamies
09-08-2008, 05:08 AM
Replies: 50
Views: 16,141
Posted By Larry3215

The first BUFY lasted a lot longer than I...

The first BUFY lasted a lot longer than I expected it to. When I started working with this foam I had serious doubts about its ability to hold up to stressful flying over time.

Turns out the only...
Forum: Foamies
09-06-2008, 03:10 AM
Replies: 50
Views: 16,141
Posted By Larry3215

BUFY v2.0

Ok, this is going to be my first entry into the second WattFlyer scratch builders contest. (http://www.wattflyer.com/forums/showthread.php?t=38724)

BUFY (Big Ugly Foamy Yak) v1.0...
Showing results 1 to 27 of 27


 
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