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HelicopterThunder TigerOther › Newb..Measuring, How important is this??
04-26-2002 03:04 AM  15 years agoPost 1
shorvath

rrNovice

Akron,Oh

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I have a Rap30 never been off the ground yet and I'm not really sure if I'm ready....
Well heres the thing the manual sucks got the thing for X-mas I wanted it but what I need is some newbie pointers.....A little history It was bought 90% assembled so the only thing i did was added my servo's w/ the little control arms to the blades, engine,etc...1 of my questions is does it have to be measured to spec's for instance 75mm or 10mm distance for servo to main rotor or can it just be really close without measuring???? 2. do I have to balance the main rotor blades if so where can I find these tools

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04-26-2002 03:39 AM  15 years agoPost 2
Waldo

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Middle of the corn patch (Iowa)

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Looks like you need Uncle Fritz's online guide to the wonderful world of Raptors. http://members.telocity.com/fritzthecat/raptor50.html

[b]Bill[/b]

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04-26-2002 03:52 AM  15 years agoPost 3
Al Magaloff

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12,199 Posts- Enough Time Wasted. See Ya!

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An experienced heli pilot too!!!

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04-26-2002 03:57 AM  15 years agoPost 4
Remy

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Washington, D.C. - MHA Member

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The best thing I can recommend you is to find an experienced heli pilot to spend some time with you go over the setup, make sure everything is right and test fly it for you. Do you know anyone in your area that could help ? Where are you located ? Any hobby shop near you ?

If you have to go by yourself, take your time, get Ray's book, spend some time reading on the web, until you get a good understanding of how heli work.
To answer your question, the linkages don't have to be the very same lenght as in the book, but it is usually a good starting point. Try to be as close as possible. And yes you need to mesure them. All of them. As far as blade balancing, it is also recommended, especially if you ar using wood blades.

Hope this helps, good luck and welcome to the hobby.

Remy

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04-26-2002 11:35 AM  15 years agoPost 5
Tday

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Needham, MA

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Shorvath,
I was in exactly your shoes this past November. I built my Rap while eyeballing the links and off I went. It was a real disaster. My experience suggests that you will do yourself a BIG favor to measure them exactly--and then fine tune. It is amazing how much that helps. If your heli isn't set-up well (i.e. basically hovers perfectly with no stick inputs--has the right up/down pitch curves and throttle balance) you will have a very tough time making progress. So...I'd suggest you get a caliper and the link attachments to make that job a snap. I got the Grizzly 6 inch dial caliper--has metric on the ruler and is cheap.(6" dial caliper ) Then I got the pushrod measuring tool from Ricks. (pushrod measuring tool )

These things are my most frequently used tools and for little things beyond the links. (And you'll be doing links often enough with your initial re-builds, etc.) For example, to get the tail right, the various websites talk about a 4.5 mm gap between the casing and the slider. The caliper is handy and quick.

Finally, the next big set-up thing I got hit with was loosening the links. When assembled, the darn links are very tight--so the heli controls are tight. That translates to the heli not responding to little inputs (links stick) and the heli only responds when you move the controls more than a little--so the heli is unstable. The JR ball link sizing tool is a good addition, though you can also loosen them by pinching them with pliers. (An experienced hand will help here.)

AND when you find help--they'll actually be able to do something since the heli will be in good shape to tune-up. Finding a mentor is probably the most important thing of all--but they're not going to be very psyched if you don't do your part.

Tom

PS, my mentors include Dragon2115 on this forum, Jeremy Waltzer, and Howard Moftich--who have really been the difference. If you find folks like them, you're going to have a good time of it.

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04-26-2002 11:54 AM  15 years agoPost 6
jetsurgeon

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Raleigh, NC

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Shorvath,

Contact Jeff Swartz, he is the Pres. of Y.R.C.H.A, (Youngstown Radio Controlled Heli Association). I know Youngstown is a stones throw from you.

YRCHA

JG

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HelicopterThunder TigerOther › Newb..Measuring, How important is this??
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