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HelicopterGasser Model RC HelicoptersOther › Whiplash on the way and I have some newbie questions
12-31-2013 02:39 PM  4 years agoPost 1
HeliNutAndy

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worcester, MA USA

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I was fortunate to be able to purchase a used Whiplash. You may have seen the listing. Here are the specs from the person I purchased it from. I expect to receive it at the end of the week.

New build Whiplash Gasser, Hanson RC27 3D Max, Torpedo Slim V2, Hanson High flow air filter, GV1, stator gator, Radix V2 710's and 115's on the tail. Everything new for the build even the GV1 I found NIB from Ebay. Futaba HV on throttle, JR HD switch for electronics
Motor is as new maybe 1 1/2 gallons through engine, 990 carb and still running rich. Broke in with the oil recommended by Hanson Pennzoil

I am new to gassers and have some questions.

1) Does this motor use a magneto or does it use an electronic ignition? The reason I ask is I am trying to determine what I will need as far as a receiver pack is concerned.

2) Do I need to continue a break in procedure or would 1 1/2 gallons that the prior owner ran through the motor be adequate? I do not plan to run the motor hard anyway and need to get used to the model in the beginning.

3) Would it be more beneficial to remove the pull starter and use an electric starter or is the extra weight not really noticeable. At the current time my skill set is limited to sport flying with a few 3D 'tricks' mixed in.

4) Is there a head speed that is considered 'happy' for this motor and gear ratio(I'm guessing it is the stock gearing which I do not have yet) and what would the speed be?

5) Can I run the motor in the model on the bench without the blades and no load? I don't plan on redlining it.

6) I would like to use an Ikon FBL controller. I see that many people like the HeliCommand units for the bailout feature but if I am going to go the bailout route I would go with the Skookum SK720 unit with the GPS module. It's just a bit pricey at $1000. I have not used the governor in the Ikon because I use the governor in the Kontronik esc that works great for me.

7) I plan on using lantern fuel in the model. What would be the oil ratio? Is it 32:1?

8) After tuning the motor do I need to continuously tune it or will it be all set for the most part after it's dialed in. I understand that I may have to adjust it occasionally to match climate changes.

9) Are there any known issues that I should be aware of?

10) Can I use a standard fuel pump with the proper gas fuel lines or would I need to purchase a specialized gas one? What would be the popular choice?

I have been doing my best to read and watch any gasser material I can find out there and I'm really looking forward to getting this model. With my electric models there isn't much to be done to them other than the usual pre-flight checks and it will be nice to have a model I can constantly tinker with

TIA,
Andy

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12-31-2013 02:44 PM  4 years agoPost 2
wrongler

rrProfessor

Brewerton, New York

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May I just say "Good Luck" with the gasser!

Bill Whittaker

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12-31-2013 04:26 PM  4 years agoPost 3
avi8er

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Billings, MT

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Cool!
1) Does this motor use a magneto or does it use an electronic ignition?
Magneto
2) Do I need to continue a break in procedure or would 1 1/2 gallons that the prior owner ran through the motor be adequate?
That should be enough run time to start leaning needles, but I would still take it easy at first.
3) Would it be more beneficial to remove the pull starter and use an electric starter or is the extra weight not really noticeable.
Some people like pull starting, some don't. You can give it a try and pull it off later if you'd rather spin start.
4) Is there a head speed that is considered 'happy' for this motor and gear ratio(I'm guessing it is the stock gearing which I do not have yet) and what would the speed be?
With the stock gear ratio I would shoot for 1700-1800ish to start.
5) Can I run the motor in the model on the bench without the blades and no load? I don't plan on redlining it.
I wouldn't. I can't think of a reason to. Lots can go wrong.
6) I would like to use an Ikon FBL controller.
Ikon should be fine.
7) I plan on using lantern fuel in the model. What would be the oil ratio? Is it 32:1?
Oil ratio is the same with lantern fuel as gasoline. Refer to Hanson's recommendation for the engine.
8) After tuning the motor do I need to continuously tune it or will it be all set for the most part after it's dialed in. I understand that I may have to adjust it occasionally to match climate changes.
As long as you're not running on the ragged edge of lean, you won't need to change needle settings much. Most guys use a "winter setting" and a "summer setting." Day to day needle fiddling is reserved for the nitro guys
9) Are there any known issues that I should be aware of?
It looks like you've got a pretty solid setup. Just go through and make sure everything's tight/locktited.
10) Can I use a standard fuel pump with the proper gas fuel lines or would I need to purchase a specialized gas one? What would be the popular choice?
Most glow fuel pumps aren't gasoline safe. I've used about every method of fueling out there. The cheaper hand crank pumps work fine for a while, till they start leaking. Using a bike air pump to push air into the can ((to force fuel into the model) works ok but it's slow. The high end pumps are super expensive ($200+) but I think it's worth it. I use the abellrc fueler. I've heard good things about the jerseymodeler pumps also.

-Chris

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12-31-2013 04:31 PM  4 years agoPost 4
rbort

rrProfessor

Franklin, MA - USA

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Answers
1. Yes its a magneto no worries it will run forever. For the receiver pack you'll have to ask some other people about size as I just use a 5 cell NiMH 2200 battery as a backup and never really charge it - I went over a year without doing so to prove a point to myself.

2. You should probably run it easy at first for the first gallon as there is no telling for sure what the original owner did. I can show you how to do that at the field if you like.

3. I made my pull start removable, you save 3.5 oz of weight and make the gasser closer in weight to nitro machines. There is no need for electric start, they start very easily with pull starting even in 20 degree weather of today when I go out shortly.

4. Yes, 1800 would be a happy headspeed for the machine and ideally I fly mine there almost all the time. I do run normal at 1650 to 1700 depending on mood and idle up 2 at 1900 and use that for tic tocs but general flying 1800 is sweet.

5. No, do not run the motor with no load besides idle, it can get damaged if you rev it up too much - rather recommend you do not do it than tell you to try it. There is no reason to do this.

6. I use helicommand and like those units, but I understand there are others. Have no experience with the IKON or Skookum so I cannot recommend setup things to you about them.

7. Yes you would use 32:1 but I read you plan to store in the basement if you do there is no reason for lantern fuel I don't smell mine in the basement with gas. Unless...you put inside the car when you drive around and in the summer they can smell up the car from the heat in the sun.

8. Yes, once tuned it should be okay for some time until the weather changes alot.

9. There was a couple of things with the gear, tail hub and clutch bell but those have been addressed.

10. I'm not sure if a nitro pump will hold up. I know that some pumps are labeled for gas and I would recommend you use one of those. I use the dubro squeeze bulbs myself, but they don't exist any more these days.

And with this, I'm off to the field for the last day of the year to add to my yearly flight count challenge for this year, I'm at 1202 now just cleared 1200 yesterday, smooth sailing today I wanted to make 1200. Here is a Christmas Carol for that:

On the Twelfth day of Christmas
my true love sent to me:

Twelve hundred flights,
Eleven belts a breaking,
Ten skids a bumping,
Nine cyclic servos,
Eight plugs a sparking,
Seven tails a turning,
Six blades a barking,
Five Bava-rian De-mons,
Four torpedo mufflers,
Three Hanson engines,
Two gas cans,
and a he-li-copter in a fly-ing field

And with that Happy New Year and best for 2014 to you guys!

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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12-31-2013 06:20 PM  4 years agoPost 5
HeliNutAndy

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worcester, MA USA

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Awesome. Thank you Raja.

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12-31-2013 10:08 PM  4 years agoPost 6
rcheli808

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Mililani,Hi-USA

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Andy.......welcome to gasser family.....!

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12-31-2013 10:36 PM  4 years agoPost 7
rbort

rrProfessor

Franklin, MA - USA

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Just asked Jeremy at the field today
With his whiplash similar setup as mine he's pulling like 450mah per flight. He said if you want to have 6 flights in a day you'll need to put like a 4000mah pack in there to be safe.

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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12-31-2013 11:41 PM  4 years agoPost 8
fastflyer20

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N. Tonawanda, NY

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Congratulations!

If you want to keep it light:

I run 10 minute flights and use 2100-2500 mah packs, with a shorter flight time, it is using around 300mah per flight. Just bring a spare RX pack if you want to fly more.

Top start works better for me, no pull start is attached. It starts like a nitro but much easier. Pick your method, pull or top start both work.

I have not run a Hanson 270, but the Whip comes stock with a 18T pinion for a 6.89 gear ratio. Once the engine is well broken in (3+ gallons) you can try up to 14,200 engine RPM's (2060 head speed). Zenoah's also hit a sweet spot at 13,500 (1950 head speed). Once broken in, experiment with a bunch of different head speeds and see what you prefer. The Whip flies very well at lower head speeds yet can do anything you want it to at 1950.

Raja has eagle eyes , but his nose is broken. Gas does smell, if you or family members are sensitive to the smell, use Coleman.

Tom
CAUTION - my posts are based on my experiences, yours may be different.

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01-01-2014 12:19 AM  4 years agoPost 9
Mark Dean

rrApprentice

Maryland

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Glad to hear that you got the Whippy! Guaranteed good times are to follow. Looks like all of your questions have been answered, so I'll just say good luck and I hope you enjoy it.

Mark

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01-01-2014 12:49 AM  4 years agoPost 10
rbort

rrProfessor

Franklin, MA - USA

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Dear Santa
I want a new nose for Christmas please...oh wait...am I too late??

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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01-01-2014 02:12 AM  4 years agoPost 11
fastflyer20

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N. Tonawanda, NY

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Good news, your not too late. Santa brought you a new nose.

Bad news, you can now smell the gas and will want to run Coleman

Happy New Year!

Tom
CAUTION - my posts are based on my experiences, yours may be different.

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01-01-2014 12:45 PM  4 years agoPost 12
HeliNutAndy

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worcester, MA USA

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Thank you for the welcome. I have been flying for about two years now and I have been buying a new model every four months or so looking to find the 'one'. I'm hoping a gas model will finally allow me to settle down without having to spend too much money and time on the courtship
I should get the model tomorrow and can't wait. I typically fly every Saturday and Sunday but that may come to an end this weekend due to an impending storm that's on the horizon. I will not be able to access the field

I'm going to play it by smell and if i can't smell any gasoline I'll stick with it. Thx again for the help and I'm sure to have more questions...

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01-01-2014 02:02 PM  4 years agoPost 13
wrongler

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Brewerton, New York

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Please keep us updated with your likes and dislikes.

Bill Whittaker

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01-06-2014 02:21 PM  4 years agoPost 14
HeliNutAndy

rrKey Veteran

worcester, MA USA

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I received the model last week and I cannot stress enough how impressed I am with it. I have the model on my living room table and my wife isn't too happy I still have not flown it because I am still deciding on which servos to use. I think I am going to go with TORQ BL 9180 servos because of the high torque rating and the good reviews I have seen.

I should have purchased this model a long time ago. I'm still a bit confused why there aren't more people flying gassers or why when I mention it I get a "good luck".

I realize people have been flying in this weather but once it gets below freezing flying the electric models gets a bit difficult and I want better weather before I start this model.

I launched RealFlight 7 and modified the Nitro Whiplash to add weight(Total weight is 13.5 pounds) to see how it would fly and I did not notice too much of a difference. I think the extra weight shouldn't be too much of a problem for my flying style. I can't wait to get this model going

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01-06-2014 11:56 PM  4 years agoPost 15
Mark Dean

rrApprentice

Maryland

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I'm still a bit confused why there aren't more people flying gassers or why when I mention it I get a "good luck".
You can answer your own question. Most see gassers the way you did prior to laying your hands on it. You were skeptical and were shying away from it.

I meant the "good luck" as in I hope you have great success with it. Are you trying to read sarcasm in all the responses? LOL.

I can't wait to hear what you think after you get some flying in. I think it will ease your mind even more. I personally think you will like it more than the electrics.

Mark

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01-07-2014 03:20 PM  4 years agoPost 16
HeliNutAndy

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worcester, MA USA

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I didn't mean to point to anyone specifically or you when I mentioned the 'Good Luck' send off. The reason why it took me so long to get a gasser is for one, the only experience I have with model heli's is my own. I don't get to see what everyone else is flying since I fly alone. And secondly for the cost there are a ton of options out there. After finally deciding to get one I can't understand why everyone doesn't have one. IMO The quality of the Whiplash is awesome and the model seems more realistic compared to my electric models. As much as I'd like to get it in the air immediately I am going to take my time with this one to make sure it's a close to perfect as I can get it. I have to admit it is a little intimidating. I still cannot decide on what FBL to use. I currently use a Vbar(Logo 600) and an Ikon(Goblin 500) and I love them both. Past experience tells me the Vbar isn't that great in regards to vibrations. I had a Mini Vbar on an NX4 and it was very twitchy. I actually strapped it down with a hose clamp which solved the twitchy problems. The more and more I research FBL controllers it appears that the Bavarian units handle vibrations the best and I may go that route. I do not need the bailout functionality and may go with the 3X model or the 'cheaper' one. Too be honest it's hard for me to tell the difference between the Ikon and Vbar. They both work very well for me and they both are fairly easy to setup. Can anyone comment on the major differences between both of the Helicommand units that are available? Is it just that one has the bail out and the other doesn't?

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01-07-2014 03:53 PM  4 years agoPost 17
wrongler

rrProfessor

Brewerton, New York

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Just to let you know, I had the SK540 on my Whiplash Gasser, and it did quite well. Maybe not 100% perfect but I would say in the mid 90's as far as satisfaction. I did not try any other FBL unit on the gasser.

Bill Whittaker

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01-07-2014 03:55 PM  4 years agoPost 18
fastflyer20

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N. Tonawanda, NY

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Wrongler - didn't you have a SK540 on it when I flew it?

Tom
CAUTION - my posts are based on my experiences, yours may be different.

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01-07-2014 03:59 PM  4 years agoPost 19
HeliNutAndy

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worcester, MA USA

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Thx Wrongler. When you say not perfect does that mean you experienced twitching due to vibrations?

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01-07-2014 03:59 PM  4 years agoPost 20
fastflyer20

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N. Tonawanda, NY

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Out of the 5 brands of units I have tried on gassers, BD is the clear winner.

The 3x is identical to the 3sx except for the rescue.

Tom
CAUTION - my posts are based on my experiences, yours may be different.

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