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HomeScaleAircraftHelicopterScale Model RC Helicopters Docs  BO-105 Heim Project
03-12-2012 02:47 AM  6 years agoPost 41
Mojave

rrElite Veteran

Palos Verdes, Ca. USA

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Glad to help you out Most of the dremel bits are fairly inexpensive. If the diamond tip loads up on you, they make all sorts of tips with more aggressive cutting teeth. Just be careful, they tend to get grabby and walk across your parts.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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03-12-2012 10:46 AM  6 years agoPost 42
fla heli boy

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cape coral, florida

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sounds like a bad girlfriend....

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03-12-2012 01:28 PM  6 years agoPost 43
Skytrek

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Suffolk, Va

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Or Wife,,,,,,,,LOL.

Speaking of Dremels, anyone know of a tool that would be smaller for reaching inside fuses. Maybe something with an articulating arm and separate motor or drive. Hand held wand sort of thing????

Missed you at the field Daryl, much much larger (you'll like it). Glad the engine is helping out and speaking of help,,,thanks for all the advice dude!

Barry London

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03-12-2012 02:03 PM  6 years agoPost 44
Jockobadger

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Snoqualmie, Washington USA

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Dremel makes a flex-drive that screws onto the main body of the std model. It's not really a wand, but it's definitely skinnier than the ord. Dremel tool. I have one, came with my most recent Dremel, but honestly haven't used it much.

Hey Mojave, not a Hijack here, but wanted to let you know that I've been working on my Huey and you'll be happy you waited for the new one. I've been painting, riveting, etc., and the nose is way out of whack with a real one. Wayyy to long it seems to me. I've got to scale it out, but looking at airliners.net, it's painfully obvious (and hard to fix.) J

Century Bell 47 III, RCA,700 UH-1N, Hirobo Lama, Logo 500, Logo 400, Trex 550e, HC3SX, Kontronic

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03-12-2012 02:37 PM  6 years agoPost 45
Skytrek

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Suffolk, Va

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Thanks Jocko,

I new something like that had to be available, I pic one up while shopping for a bit to remove the epoxy from around the landing gear.

Been flying for going on four years and never really spent this much time building. Having a ball, each problem I run into pisses me off but after it's solved (it's celebration time).

Find my self showing little parts I made to my wife,,,all proud,,like. She just says "(well gee that's ahh ahhh great,,,,,,,,,what is it". LOL

Barry London

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03-15-2012 01:10 PM  6 years agoPost 46
Skytrek

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Suffolk, Va

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Working on the front-end a little. Made the canopy removable for easy access to the cockpit. Used some earth magnets to merge the two together, works like a charm, ((Amazing Magnets)). Also, reattached the section I had to remove to insert the mechanics. Use screws on this area because it adds structure back to the fuse.

Barry London

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03-15-2012 01:34 PM  6 years agoPost 47
reddragon

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Brooklyn, N.Y.

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Excellent. It's coming along nicely.

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03-18-2012 03:12 AM  6 years agoPost 48
Skytrek

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Suffolk, Va

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Thank you very much Red!!

I made the cut in the upper doghouse section needed to accommodate the main shaft and head. I was worried that the starter wand would not lineup correctly but all worked out okay, thank goodness. Having screwed things together, I put the blades on to check clearances and rake. Okay Okay, I also just wanted to see what it was going to look like!

Barry London

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03-18-2012 04:37 AM  6 years agoPost 49
Mojave

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Palos Verdes, Ca. USA

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Sweet! Lookin good amigo...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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03-19-2012 04:37 PM  6 years agoPost 50
SkytrekrrApprentice - Suffolk, Va - My Posts: All  Forum  Topic

Figured out the tail geometry and installed the mini servo. The round opening at the bottom of the B-105 boom really assisted with making room for the servo horn. This system added very little weight to the tail and direct links Vs flex wire is a no brainier. The other scales I have had without direct links felt mushy at best. Here's some pics,,,,,,a little dusty from cutting the access hole in the fuse for the servo link.

Barry London

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03-19-2012 04:52 PM  6 years agoPost 51
Heli143

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Phenix City, Alabama

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Hi Jon,
enjoying following your build. It's coming along very nicely!

I have the same fuselage sitting on a shelf waiting it's turn to be built

Mine does not have a cockpit. Did yours come with that cockpit, seats, etc?

Roy Mayoral

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03-19-2012 08:23 PM  6 years agoPost 52
Skytrek

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Suffolk, Va

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Hey Roy,
I bought the fuse from a local heli building expert,,,,(GOD ),,,, who pretty much gave it to me. So I don't know exactly where the cockpit stuff came from. My understanding is Graupner is now handling the Hiem brand. Someone on this sight my have more information? If so please chime in!
I'll check with Richard and see if he can assist. Then again he may read this post before I can get to him. If it's out there we'll find it.

Thanks for the props! I'm really enjoying this build.

Barry London

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03-20-2012 03:57 AM  6 years agoPost 53
Christopher J

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Kansas City, MO Californian lost in land of Oz

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Look at you go! It's definately getting there. Great work and ingenuity on the build thus far. Keep it pushin'

Christopher J
same as I ever was
"Still all set & Flying the original"

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03-20-2012 01:33 PM  6 years agoPost 54
reddragon

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Brooklyn, N.Y.

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Barry is working faster than most of us do.
Slow down a little and let us enjoy this at a slower pace!

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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03-22-2012 02:18 AM  6 years agoPost 55
Skytrek

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Suffolk, Va

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LOL,,,,,,,,I Can't slow down,,,the type of work I do may interrupt at any moment and from conversations today it wont be long before I'm pulled off any heli projects for a while.

Here's some fabrication on the tail piece that did not come with the fuse. I took a piece of balsa wood and 1/4 in base-ply and created the aft portion of the tail. Some pics........

Barry London

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03-22-2012 07:02 PM  6 years agoPost 56
Wemo

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Hampton Roads, VA

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Way to go Barry! The tail servo looks really good there and it fits perfectly. Remember, maiden flight, I"m there!

"How high do they go? Are those things hard too fly? How much do they cost?

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03-22-2012 11:19 PM  6 years agoPost 57
Skytrek

rrApprentice

Suffolk, Va

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Afraid I screwed the tail up. One of my mentors informed me it should be flat not airfoil shaped. I just never really looked I guess. Good thing is,,,,,,,,,should be an easy fix! Chop the butt off!

Thank goodness someone is keeping me straight.

I Would never give a scale heli it's first flight without Daryl there to pick up the pieces.

Barry London

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03-25-2012 04:45 AM  6 years agoPost 58
Skytrek

rrApprentice

Suffolk, Va

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Fellows,
I have a question. The BO-105 has enough interior room for a tuned pipe or scale muffler. I have both on hand but unsure which is the best route. The Scale muffler is from Century and will need some pluming added to exit out the back. The tuned pipe is hatori and will be very close to the fuse wall. Any thoughts or preference? Oh, this is a Os-91sz engine.

Also, the scale muffler could just dump straight out off the bottom of the fuse??? Thanks in advance.

Barry London

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03-25-2012 02:01 PM  6 years agoPost 59
fla heli boy

rrKey Veteran

cape coral, florida

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in my experience, if you have to add piping to a tuned pipe installation, you're changing it's effective length, changing it's performance. It's that length because testing showed that to be the best length (hence, why they call it "tuned". You SHOULD lose power by adding pipe to the pipe, plus it will run hotter.
I'd go for the muffler. Easier to install, easier to tune and runs cooler.
Just my 2 cents......

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03-25-2012 03:32 PM  6 years agoPost 60
Richard Morgan

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Virginia Beach, Virginia USA

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Jon:

I should not have thrown my 2 cents in on this one. I have personally never owned a nitro Heli before. I just assumed the muffler would be easier.

Richard

Richard

Is it just me, I thought all Helicopters flew in 3D......Hmmmm?

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