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Home✈️Aircraft🚁HelicopterGasser Model RC HelicoptersOther › Maidened my Spectra-G today
02-23-2010 02:20 AM  10 years ago
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pcinc

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Westfield, MA

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Maidened my Spectra-G today
I finally hit a good day and got a chance to maiden my Spectra G today. It fired right up and ran perfect with out having to touch the needles. I dialed in the throttle curve to get a head speed of 1600 and did one turn on one of the blades to get the tracking right on. The only other thing I had to do with it is adjust the tail linkage to get it mechanically neutral. This Spectra has a toxic motor in it and it's a lot smoother than the 1005 gasser's I've been flying. It also has tons of power and is lightening quick. I ran a second tank through it just getting use to how quick it is and noticed it doesn't get the mileage that the 1005's do. The tank didn't last more than 10 or 12 minutes. Looking it over later, I see it only has a 14 once tank on it. Is this the norm for a Spectra? I think the tank on the 1005 is 18 or 20 ounces and I get 20 - 25 minutes out of it.
This is going to be one fun Heli!
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02-23-2010 02:35 AM  10 years ago
Sean Bosse

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Germantown, MD.

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Congrats on your first flight! I finally finished building and hovered my spectra for the first time yesterday. I absolutely love mine. I'm having issues with tuning it (user error) but hope to get the kinks worked out over the weekend. As for the tank volume, I'm not sure but I'm getting about the same amount of time hovering per tank. I'm sure others will know and post.

Sean
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02-23-2010 03:36 AM  10 years ago
rbort

rrProfessor

Franklin, MA - USA

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Fuel Mileage
Your mileage on the fuel will depend on the modification of the motors - as some of the modified motors have improved ports to allow for more fuel and hence more power.

Also you will lose some mileage with the Spectra due to the higher gear ratio than the 1005.

The 1005 came stock with a 10oz tank. You may have fitted a larger one? I got a 16oz in mine.

On the Spectra it comes stock with an 8oz tank, designed to fly like a nitro for 10 minutes until bone dry so to speak to improve performance (carry less fuel) as it was designed from the ground up as the hottest 3D gasser out there.

I fitted a 16oz tank in my Spectra and my Hanson G26 3D max motor can drink that whole tank in 20 minutes flat.

You may also be rich or richer than necessary.

Definately a modified motor (toxic) is going to be smoother than any stock motor you have in the 1005, assuming that's what you're comparing it to.

Enjoy the Spectra, and look me up if I can help in any way. You can bring it and fly with me as well if you want, the weather "was" getting better, glad you flew today as the forecast says rain and snow for the next week!

-=>Raja.
MA 1005 Hanson 2703D, 4400 flts
Spectra 27 3DMax, 3460 flts
Whiplash V1-2 Hanson 300, 1995 flts
Whiplash V2 Hanson 300, 923 flts
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02-23-2010 04:35 AM  10 years ago
pcinc

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Westfield, MA

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Raja,
You are correct on all accounts. the 3 1005 gassers that I have been flying have much bigger tanks. I believe one of them is a Dubro 20.

This Spectra has a Dubro 14 and you are probably right on being rich. It ran so well from the start, I didn't move the needles at all. It started right up and has such a smooth idle I figured it's pretty close to where it needs to be. I have a new set of landing gear to mount on it( the higher profile).When I do that I may just strap on a bigger tank.I like the 20 minute flights I was getting out of the 1005.

This was listed in the add as a Toxic motor and I was comparing it to a stock 1005. Night and day when talking about how smooth this one is. Absolutely no comparison. I'm sure it's the same with the power from this motor also. Being the first day out with it and trimming it and all, I didn't do any full climb outs to see where the high needle is or the amount of power it has. The 1005's are pretty docile compared to this and it will take a few flights to get use to it.

I'll definitely look you up and make arraingements to come out and fly with you once I get it dialed in a bit more and get use to it. After this mess we have coming passes this week of course. It had to be 50 degrees today and I really got a good taste for the season to start today. I have been super busy at work this winter and haven't bben able to get out much at all compared to past winters.

Peter
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02-23-2010 04:51 AM  10 years ago
rbort

rrProfessor

Franklin, MA - USA

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I like that!
Raja,
You are correct on all accounts.

To add a couple more comments:

You can fit a 16oz dubro max in the Spectra, check my gallery for a photo. Needs to be inverted to clear the canopy chin. Will give you 15 minutes flight with 5 minutes reserve.

You can't judge needles by idle. Need to judge low needle in a hover, high needle in a full power climbout. Idle you just open the carb enough to get it to idle and that's that. No saying what the needles are except if it won't shut down carb closed then its too lean on the low side.

Looking forward to seeing you soon.

-=>Raja.
MA 1005 Hanson 2703D, 4400 flts
Spectra 27 3DMax, 3460 flts
Whiplash V1-2 Hanson 300, 1995 flts
Whiplash V2 Hanson 300, 923 flts
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02-23-2010 12:13 PM  10 years ago
pcinc

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Westfield, MA

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I'm probably going to fit a larger tank on it. You say no bigger than 16 oz???
I'm going to double check the needles on the next time out with it. I figured the low was pretty close because it idle perfect and I was able to shut it down with my idle trim on the radio (9303).The trim is a little higher than I care for to sound right to me. It's about 3/4 the way up and I like to see it at 1/2. Not a big deal just how I like to set them up.

Peter
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02-23-2010 03:12 PM  10 years ago
rbort

rrProfessor

Franklin, MA - USA

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Trim
If its at 3/4 to idle it might mean its too rich on the low side, or that you have to adjust your link rod length.

First adjust the mixture in a hover to be perfect, THEN, adjust the rod length to get the perfect idle speed at mid trim - that's what I do. And then full down trim the engine should quit.

-=>Raja.
MA 1005 Hanson 2703D, 4400 flts
Spectra 27 3DMax, 3460 flts
Whiplash V1-2 Hanson 300, 1995 flts
Whiplash V2 Hanson 300, 923 flts
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02-24-2010 12:34 AM  10 years ago
ron6460

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MASS THE GET F$*KED PAY! PAY! STATE

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Have FUN !!!!!!!!
Good weather SOON !!! Cant wait !!! Ron

" It was not me ! The sun was in my eyes Super Fly "
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02-24-2010 12:48 AM  10 years ago
broggyr

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Naugy, CT

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Congrats on the maiden!
Definately a modified motor (toxic) is going to be smoother than any stock motor you have in the 1005, assuming that's what you're comparing it to.
Wow. For the longest time, I ignorantly thought that the modded motors would be less smooth. Maybe I should look into one for the future...
- Brian
irony [ay-ruh-nee', ay-er-nee'] adj.: Like goldy or bronzy, but made of iron
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02-24-2010 04:47 PM  10 years ago
chopper_crazy

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Delphos, Ohio

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congrats on the maiden flight. You are going to love that bird!!It's a complex, costly, glow powered anti-gravity machine!
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02-24-2010 09:36 PM  10 years ago
pcinc

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Westfield, MA

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Ron,
Thant is one good looking bird. I love that canopy.

It looks like your taking up Raja's writing in the snow with your Heli!!!!

Peter
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02-24-2010 11:16 PM  10 years ago
ron6460

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MASS THE GET F$*KED PAY! PAY! STATE

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FUN FUN !!!
We all cant wait !!!!Good weather soon not now DOWN POURING !! Ron
" It was not me ! The sun was in my eyes Super Fly "
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02-25-2010 01:10 AM  10 years ago
pphil611

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South Dakota

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Fuel tank
pcinc;
I didn''t like the fuel tank set up eather. Even with the 16 oz Dubro I added another tank I think its 11 oz. So presently have the small tank and the 16 oz Dubro. I fill through the small tank and it overflows into the 16 oz tank. When running the 16 oz tank runs dry and I have a cut-away where I can see the small tank when it gets 1/2 full. Seems to work pretty good anyway I like it, as I never need to think about running out of fuel with a total of 26 oz. I think three or four pictures are in my gallery.
Spectra-G, MAH, CSM
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02-25-2010 03:44 AM  10 years ago
Toxic Al

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chuluota, Fl

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I am happy you got her in the air.If you have any ? on the motor or tuning please feel from to contact me any time. Peace, Al
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02-25-2010 10:53 AM  10 years ago
pcinc

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Westfield, MA

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Thanks Al,
So far it's the smoothest gasser motor I have. I'll post on how it runs more as a fly it more. So far it looks like a winner!

Peter
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03-03-2010 02:04 AM  10 years ago
pcinc

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Westfield, MA

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I got out again today with the Spectra and got in 3 more flights with it.
WOW! This is one sweet machine. I tweaked out the T-curve a bit more. I had to go on the sound of the motor alone because I didn't have anyone there that could tack the head for me.I think I'm a little slower than I want it to be because it slowed the responsiveness of it down a bit. The tail was still a bit off and I couldn't get it dialed in. First it drifted to the left so I adjusted the tail linkage 1/2 turn. This caused the tail to drift to the right so I thought I went 1 full turn instead of just 1/2 turn.I did 1/2 turn back the other way and gave it another hop and it was back to drifting to the left. I've never had this where i couldn't mechanically adjust the tail linkage to fly neutral. I have a 401 mounted on it but do not have it activated in my 9303 radio. Anybody have any ideas or thoughts on this? I'm thinking the drift may be the low needle being rich still and when it burps it's moving the tail a bit.I still have not adjusted either needle. It's running and starting really good but it is burping every now and then.

What an amazing machine. It's just solid and smooth with tons of power. I'm sure it's not even adjusted close to it's potential.

Peter
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06-03-2010 02:01 PM  10 years ago
pcinc

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Westfield, MA

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I finally got a chance to get back out with the Spectra last Friday. I finally got the tail sorted out in Non HH. I got the linkage adjusted up so I can get hands off hover. I got a tank through it then refueled it and had a very hard time restarting it. It ussualy has been starting right up with one or two pulls and this time nothing. The only thing I could think of is it was much cooler out when I maidened it so I readjusted the needles to 1 1/4 on the low and 1 3/8 on the high.This has been a good starting point for me with the 1005 gassers. Still nothing.
On Sunday it still didn't want to start so I pulled the spark plug and it looks a bit dark to me. I pulled the motor over a bunch and saw lots of fuel beiong shot out of spark plug hole. Installed a new plug and It fired up. I got it up into a hover and notice the rpm was rolling all over the place. Landed it and gave it a good look over while idling on the ground and saw lots of air bubbles in the fuel line headed into the carb. Packed it up and went over the fuel lines/ tank when I got it home.
Back out yesterday and got it going again. It took a few more pulls than ussual but it started. Up and down a few time adjusting both needles to get it running smooth again. It had a terible transition between low and high rpm. It was like it was loaded up pretty good and I had to go real easy on advancing the throttle to get it to clean out. I kept adjusting and got it real close now. It climbs out snappy and quick while idles nice and smooth. When I land and bring the throttle down, it wants to hang up at high rpm then after readjusting the throttle trim it comes back down to where it should be.I'm thinking I'm still a bit rich on the bottom but it still takes 3 or 4 pulls everytime to get it started. I was starting in 1 or 2 every time.I was about ot fuel it back up and keep tweaking and notice themuffler had come loose from its mount again. This is the second time this has happened and the last time I retighten it I cleaned it up really good and put lock tite on all te bolts. This is the muffler that has a mounting block that gets mounted to the motor , then the muffler gets bolted to the mounting block. Anybody have any tricks for keeping this tight?
I'm sure once I get the muffler and mount tightened back up, I'll have to readjust my needle a bit more to dial it in. I can't wait to get it running smooth and dependable to just start flying it around with out having to set up or tweak it.

Peter
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06-04-2010 04:57 AM  10 years ago
Toadster25

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Iowa

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Just so you know I hated my spectra the first year I had it. But for the last five years it has been a great heli. I crashed it two times in the first year and had lots of trouble getting it to run good and smooth. If your engine is brand new and still being broke in I would recomend using the stock muffler till past the breakin. I don't have a TRM engine and I don't know what they recomend but in my experience that seemed to help me. I actually just stuck with the stock muffler after all my problems I had with the other muffler I had.
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06-06-2010 02:47 AM  10 years ago
pcinc

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Westfield, MA

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I got out again today for another go of it. I tightened up the muffler and the mount that bolts to the motor. I found the bottom bolt hole on the motor is starting to get stripped out. Anybody have any ideas or permanent fixes for this? I ended tweaking both needles a touch more to the lean side and it transitioned very well and got lots of power once again. I think it may need just a tad more to dial it in perfect.Toward the end of the tank the RPM of the motor raised up again and I notice air bubbles in the fuel line going to the carb again. Looks like I need to replace the tank fittings and fuel lines to put this one to rest. Each time out I find one more thing to get it dialed in.

Peter
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06-06-2010 02:59 AM  10 years ago
Manol

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Hermosillo, Sonora, Mexico

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For the muffler, the only thing that fixed the issue for me was installing nuts to secure the bolts, together with automotive goop as sealing agent using two copper gaskets, never had any problem with the muffler getting loose or leaking again.
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Home✈️Aircraft🚁HelicopterGasser Model RC HelicoptersOther › Maidened my Spectra-G today
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