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Search: Posts Made By: kram
Showing results 1 to 25 of 500
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Forum: Engines - All
10-07-2023, 04:41 PM
Replies: 2
Views: 836
Posted By kram

PM Sent

W phone #
Forum: Engines - All
09-24-2023, 01:12 PM
Replies: 2
Views: 836
Posted By kram

Wanted: Zenoah-20ei

Prefer at least new-used condition.

thanks,

Mark
Forum: Forum questions or problems
02-14-2023, 10:47 AM
Replies: 37
Views: 12,503
Posted By kram

Wow! No photos at all on my 2015 thread on...

Wow!

No photos at all on my 2015 thread on "how to build a B-29!"

I'm getting PM's requesting flash drives from my personal photo files.
Forum: RC Warbirds and Warplanes
12-16-2022, 08:54 PM
Replies: 1,588
Views: 373,213
Posted By kram

Ziroli Instruction Manual

I think those notes on the plans are ALL YOU GET to build a Ziroli.

Read them and know them before starting.

Welcome to the Big Time!

Being an amateur, I find it very helpful to study a...
Forum: Marketplace
10-25-2022, 07:09 PM
Replies: 0
Views: 692
Posted By kram

Need Saito 91

Need one or more for parts
Forum: Glow Engines
10-25-2022, 07:02 PM
Replies: 0
Views: 486
Posted By kram

Need a Saito 91

(Or several) for parts. Don’t need to be in running shape. For a B-29

mark
Forum: RC Warbirds and Warplanes
07-21-2021, 06:50 PM
Replies: 0
Views: 846
Posted By kram

Dave Platt's 120" Heinkel 219 Maiden Flight

I spent most of the pandemic learning large-scale electric technology and fortifying the air frame to what I considered to be airworthy

Like an Oscar Winner, I have so many people to thank, I...
Forum: RC Warbirds and Warplanes
01-17-2021, 06:18 PM
Replies: 1,588
Views: 373,213
Posted By kram

Could you please give us basic specs on your...

Could you please give us basic specs on your Yellow e-38?

Weight, motors batteries, ESC's?

Thanks,

Mark
Forum: RC Warbirds and Warplanes
01-12-2021, 06:07 PM
Replies: 12
Views: 2,990
Posted By kram

Thanks, U2! I'll take you up on that

Thanks, U2!

I'll take you up on that
Forum: RC Warbirds and Warplanes
01-12-2021, 05:01 AM
Replies: 1,588
Views: 373,213
Posted By kram

Yes, reversing rotation for an e-motor is...

Yes, reversing rotation for an e-motor is ridiculously easy: just switch 2 of 3 motor wires.

As with combustion motors, finding high-quality reverse props is the hard part!
Forum: RC Warbirds and Warplanes
01-12-2021, 04:51 AM
Replies: 1,588
Views: 373,213
Posted By kram

Interesting project and questions I do love...

Interesting project and questions

I do love the 61FX as a reliable motor. I put about 140 flights on a VQ-38 with them, never suffered an engine-out

I must recuse myself from serious discussion...
Forum: RC Warbirds and Warplanes
01-11-2021, 08:40 AM
Replies: 1,588
Views: 373,213
Posted By kram

Very Nice! Looks like most of the actual...

Very Nice!

Looks like most of the actual building is done

I had to retro-build Fowler’s on my CBA to tame the beast. (That took me 2 months!) but my experience with Ziroli airframe is that it...
Forum: RC Warbirds and Warplanes
01-11-2021, 08:12 AM
Replies: 12
Views: 2,990
Posted By kram

Ram-bro: nothing has been found yet. I’m...

Ram-bro:

nothing has been found yet. I’m afraid they’re in a landfill by now, but best outcome would be if thieves don’t know how tight and suspicious the Warbird community is and try to sell them...
Forum: RC Warbirds and Warplanes
01-11-2021, 08:02 AM
Replies: 1,588
Views: 373,213
Posted By kram

Fili: Building a Z-38 pretty much makes you...

Fili:

Building a Z-38 pretty much makes you a Brother, I’d say.

Flying it means yer a lifer

There's a lot of good info buried in this thread which can be useful to you

Please post...
Forum: RC Warbirds and Warplanes
12-26-2020, 08:14 AM
Replies: 12
Views: 2,990
Posted By kram

Thanks for the sympathy. Any tips would be...

Thanks for the sympathy. Any tips would be appreciated.

Storage yard had no cameras.

from looks of the debris, they had no clue what they were taking or leaving, just throwing it on a truck
...
Forum: RC Warbirds and Warplanes
12-23-2020, 08:01 PM
Replies: 12
Views: 2,990
Posted By kram

Massive Theft

My Omaha RC friend Lynn had his (and 20 other) storage units broken into last week, ra some pieces of his museum-like collection of warbirds thrown in a truck and hauled away.

the big items:
...
Forum: Aerodynamics
10-22-2020, 03:58 PM
Replies: 6
Views: 2,295
Posted By kram

Thanks, man We’ll try that and get back to...

Thanks, man

We’ll try that and get back to you with test flights if the weather gives us a break!

Thrust line should be easy to correct, wing incidence not too involved: we may have almost...
Forum: Aerodynamics
10-22-2020, 12:59 PM
Replies: 6
Views: 2,295
Posted By kram

Many thanks. I’ve never SEEN a plane with 3°...

Many thanks.

I’ve never SEEN a plane with 3° UP thrust!

Makes me wonder if a glue gun might have slipped at the sweatshop🤨. No obvious visual evidence for that. I’m gonna double check the...
Forum: Aerodynamics
10-22-2020, 06:06 AM
Replies: 6
Views: 2,295
Posted By kram

Thanks! So, do you think UP thrust would...

Thanks!

So, do you think UP thrust would pull the plane up or down?

Think about what a 0° wing would do if coupled to a +3° thrust vector pulling level

Right-Left on the engine is 0° and it...
Forum: Aerodynamics
10-21-2020, 07:46 PM
Replies: 6
Views: 2,295
Posted By kram

Thrust Vector Argument, please help!

I'm embarrassed to publicly admit I don't know this, but here goes:

If a single-engine tractor prop plane comes ARF with a +3 degree up incidence (crankshaft vs horizontal stab), What kind of...
Forum: RC Warbirds and Warplanes
07-25-2020, 04:22 PM
Replies: 48
Views: 10,530
Posted By kram

I haven’t seen a single patriotic mask in all...

I haven’t seen a single patriotic mask in all your pictures!
Forum: RC Warbirds and Warplanes
05-29-2020, 08:02 PM
Replies: 1,588
Views: 373,213
Posted By kram

Sorry you lost it. When everything is...

Sorry you lost it.

When everything is working on a 38, they’re pretty easy to fly, but any little thing wrong.....WATCH OUT!

Nice job trying to save it: most of my “final flights” on P-38’s end...
Forum: Brushed/Brushless motors, speed controls, gear drives
05-09-2020, 05:45 AM
Replies: 3
Views: 3,172
Posted By kram

Thank you!

Thank you!
Forum: Brushed/Brushless motors, speed controls, gear drives
04-08-2020, 10:59 AM
Replies: 3
Views: 3,172
Posted By kram

AXi 5345 Overheated?

Help!

Trying to power sort of an "RC classic" with electricity.

121" Heinkel 219 built by Dave Platt himself 10 years ago. I suspect he got discouraged trying to fit a powerful enough banger in...
Forum: Electric General Discussion
04-04-2020, 08:51 AM
Replies: 2
Views: 1,387
Posted By kram

Thanks for a very thorough summation I...

Thanks for a very thorough summation

I wrassled with a lot of that with big-twin planning last fall and made a critical strategic decision to install the motors completely independently, which...
Showing results 1 to 25 of 500
 
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