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Search: Posts Made By: grosbeak
Showing results 1 to 25 of 500
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Forum: Giant Scale Aircraft - General
05-08-2015, 05:12 AM
Replies: 7
Views: 1,962
Posted By grosbeak

Hey Barry, I have a single bolt adapter (SBA) for...

Hey Barry, I have a single bolt adapter (SBA) for my RCGF 32 and I like it fine. I bought one for the DLE 30 and it sheared the bolts and threw the prop during its maiden flight.
...
Forum: Giant Scale Aircraft - General
05-07-2015, 10:04 AM
Replies: 7
Views: 1,962
Posted By grosbeak

Prop hub void - would you fill for 4-bolt drilling?

I have a DLE 30 with a 4-bolt propeller hub. The hub of the propeller I would most like to use - a Master Airscrew 16 x 8 3-blade - is not solid in the back:


...
Forum: Kit Building
04-25-2015, 04:55 AM
Replies: 434
Views: 24,036
Posted By grosbeak

Thanks for the tips Bobby... For a while when I...

Thanks for the tips Bobby... For a while when I was learning I got pretty good at remembering to use the rudder. Guess it's time to go back to basics and put bank and yank back on the shelf where it...
Forum: Kit Building
04-22-2015, 06:27 PM
Replies: 434
Views: 24,036
Posted By grosbeak

No worries, Larry. Good points all - I don't know...

No worries, Larry. Good points all - I don't know where the VVRC bolts come from or if I'd be able to source better ones. And I'm aware that at one point many people felt that everything made in...
Forum: Kit Building
04-22-2015, 03:06 AM
Replies: 434
Views: 24,036
Posted By grosbeak

Runout test #3 - on a smooth portion of the...

Runout test #3 - on a smooth portion of the crankshaft (just barely).


DLE 30 - runoff measured on smooth crankshaft (https://youtu.be/IUbWQUOCLg8)


The dial indicator is steady except when...
Forum: Kit Building
04-21-2015, 05:22 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Dial indicator on crankshaft. ...

Dial indicator on crankshaft.


https://farm9.staticflickr.com/8765/16606594164_fb0809600a_c.jpg (https://flic.kr/p/rit8T3)




Pointer on threaded shaft. I think this affected accuracy...
Forum: Kit Building
04-21-2015, 05:18 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Pulled the hub tonight. Crankshaft nut...

Pulled the hub tonight.


Crankshaft nut removed.


https://farm8.staticflickr.com/7665/17041488840_7d7f557654_c.jpg (https://flic.kr/p/rXU5V7)
Forum: Kit Building
04-21-2015, 02:56 AM
Replies: 434
Views: 24,036
Posted By grosbeak

I am not a machinist or engineer, but this -...

I am not a machinist or engineer, but this - 0.004" - looks to me like a bent crank.


https://youtu.be/nYN0fx3IRV4
Forum: Kit Building
04-21-2015, 02:56 AM
Replies: 434
Views: 24,036
Posted By grosbeak

Unfortuately I did not. Whatever...

Unfortuately I did not.



Whatever Valley View RC provided with the prop adapter - I have no idea.



I do have my suspicions... and thanks!
Forum: Kit Building
04-20-2015, 04:51 AM
Replies: 434
Views: 24,036
Posted By grosbeak

I've usually got a pretty good feel for that...

I've usually got a pretty good feel for that stuff but anything is possible...
Forum: Kit Building
04-20-2015, 12:35 AM
Replies: 434
Views: 24,036
Posted By grosbeak

The maiden flight was yesterday. The best way to...

The maiden flight was yesterday. The best way to summarize it is, "All's well that ends well."


The plane taxied well and responded well to rudder-controlled steering on the ground. In position...
Forum: Kit Building
04-16-2015, 09:07 AM
Replies: 434
Views: 24,036
Posted By grosbeak

:D

:D
Forum: Kit Building
04-15-2015, 08:58 AM
Replies: 434
Views: 24,036
Posted By grosbeak

Taxi test - should have thought of that! I only...

Taxi test - should have thought of that! I only fly off grass, and it's a lot smoother than my bumpy, clay-filled yard...

Hopefully next weekend or the one after!
Forum: Kit Building
04-12-2015, 05:43 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Nice day to fire up the engine for the first time...

Nice day to fire up the engine for the first time (first time for me - I bought it used). Tethered on the table outside.


https://farm9.staticflickr.com/8788/16918073477_b58312be03_c.jpg...
Forum: Kit Building
04-12-2015, 12:26 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Hey Richard, The printer I am using is...

Hey Richard,

The printer I am using is nothing special - it's an Epson NX420 MFD that's several years old. I am using the Testors 8.5" x 5.5" clear decal paper...
Forum: Kit Building
04-11-2015, 05:19 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Ignition cutoff enabled - here you can see the...

Ignition cutoff enabled - here you can see the exterior red LED and the green LED on the cutoff transmitter module inside.

...
Forum: Kit Building
04-11-2015, 04:04 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Ignition and receiver switch decals. ...

Ignition and receiver switch decals.


https://farm9.staticflickr.com/8725/16494415043_c4a6a5c550_c.jpg (https://flic.kr/p/r8ybWg)




A little website plug under the my logo and a maple leaf...
Forum: Kit Building
04-11-2015, 03:58 PM
Replies: 434
Views: 24,036
Posted By grosbeak

I wanted some decals to complement the graphics...

I wanted some decals to complement the graphics I've put on the plane. I won't use them all for this project but you can only print to the sheet once. Three coats of clear Krylon should seal them...
Forum: Kit Building
04-11-2015, 03:50 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Prop in the balancer - thanks to britcharming...

Prop in the balancer - thanks to britcharming (https://www.youtube.com/channel/UClDaDxrfKw7YXKafxxWGIfw) on YouTube for his video on balancing 3-blade propellers...
Forum: Tips & Techniques
04-10-2015, 09:25 AM
Replies: 38
Views: 24,298
Posted By grosbeak

Speed, I do indeed feel that the specified CG is...

Speed, I do indeed feel that the specified CG is just a starting point. I did a LOT of tuning with the SBach to get it right. But you do need a starting point, agreed? It's got to be in the ballpark...
Forum: Tips & Techniques
04-09-2015, 07:05 AM
Replies: 38
Views: 24,298
Posted By grosbeak

Take another look... CG(s) is the specified CG -...

Take another look... CG(s) is the specified CG - that can't come from the calculation but must be provided as input, from the manual, 25-33% estimate, WAG, whatever. CG(a) is the ACTUAL CG as...
Forum: Kit Building
04-07-2015, 07:10 AM
Replies: 143
Views: 26,361
Posted By grosbeak

AMR Trainer 26. Of course, it's the ONLY kit I've...

AMR Trainer 26. Of course, it's the ONLY kit I've ever built, so it's also the BEST kit I've ever built!

The laser cut parts are very well done and the kit goes together nicely. From the...
Forum: Kit Building
04-06-2015, 07:58 AM
Replies: 434
Views: 24,036
Posted By grosbeak

Time for some propeller painting. I'm going to...

Time for some propeller painting. I'm going to use the cream colour that closely matches the base layer of MonoKote.


Masked up.

...
Forum: Tips & Techniques
04-06-2015, 07:31 AM
Replies: 38
Views: 24,298
Posted By grosbeak

CG calculation by weight

I like to calculate the CG of my tail draggers by weight, and I have created a new and simplified version of the spreadsheet to do so. All credit for the method I use goes to Tom Hastie's article...
Forum: Kit Building
04-03-2015, 07:33 PM
Replies: 434
Views: 24,036
Posted By grosbeak

Two holes are drilled; one through each pilot...

Two holes are drilled; one through each pilot hole.


https://farm9.staticflickr.com/8716/17024998661_c8255e4280_z.jpg (https://flic.kr/p/rWryXF)




Sides flattened with a file.
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