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Old 02-12-2021, 07:34 PM   #1 (permalink)
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Default Yellow bits with Hobbymaster f 22

I recently bought a Hobbymaster f 22 raptor (HA2821) alongwith which came eight tiny yellow plastic bits which I really don't know where to put them on and this is the first time I've seen them with a HM f 22 model, I tried contacting HM support but didn't get a reply, does anyone know what is the use of them?

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Old 02-13-2021, 12:15 AM   #2 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

Wheel chocks maybe?
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Old 02-13-2021, 05:43 AM   #3 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

Yeah that's my guess too. Six of them should be a dead giveaway!
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Old 02-13-2021, 09:06 AM   #4 (permalink)
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They indeed are chocks lol! I looked up in google images and confirmed.Thanks to both of you for sorting it out.
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Old 02-13-2021, 02:32 PM   #5 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

Yes, wheel chocks are defo one of the explanations.

There may be another however:



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Old 02-13-2021, 03:42 PM   #6 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

Did someone say Chocks? Ok I’ll play

Raptor... 3 wheels = 3 pairs of chock blocks = 6 individual chock blocks

8 chocks blocks for 4 pairs of chocks blocks show in the picture provided by the OP.

Question.....is this a new purchase or used purchase?

If new...I can’t see HM supplying chocks let alone a spare 4th pair.

If used...I can see the previous owner throwing them in as a bonus accessory.

BB

Yellow bits with Hobbymaster f 22-6764393d-d31c-40a8-9d70-5ffc746e78cb.jpg
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Last edited by Blues Boy; 02-13-2021 at 03:52 PM.
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Old 02-13-2021, 05:42 PM   #7 (permalink)
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New one (HA2821)
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Old 02-13-2021, 06:25 PM   #8 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

Quote:
Originally Posted by Blues Boy View Post
...

Raptor... 3 wheels = 3 pairs of chock blocks = 6 individual chock blocks


Attachment 356632
Is the F-22 really held by 6 chocks? Why? I mean who'd want to hold the nose wheel? 2x2 is enough.
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Old 02-13-2021, 07:09 PM   #9 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

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Is the F-22 really held by 6 chocks? Why? I mean who'd want to hold the nose wheel? 2x2 is enough.
In the 1:1 World, for risk management during high winds at the airfield on the flight line, tarmac, aircraft parking...etc etc...when aircraft can’t be bought into a hanger under such conditions, at least for civilian aircraft, chocking all landing gear tires, including the nose tire(s) may help to avoid a possible disaster.

I’m thinking the military would use the same guidance.

BB

Source https://www.skybrary.aero/index.php/...y_Strong_Winds

Yellow bits with Hobbymaster f 22-c099cf00-079b-4ad9-abab-de90d960f14b.jpg
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Old 02-14-2021, 05:02 PM   #10 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

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Originally Posted by Blues Boy View Post
In the 1:1 World, for risk management during high winds at the airfield on the flight line, tarmac, aircraft parking...etc etc...when aircraft can’t be bought into a hanger under such conditions, at least for civilian aircraft, chocking all landing gear tires, including the nose tire(s) may help to avoid a possible disaster.

I’m thinking the military would use the same guidance.

BB

Source https://www.skybrary.aero/index.php/...y_Strong_Winds

Attachment 356648
Sounds wise. Though I've never seen or done it and I'm not sure if I'd want to remove stuck chocks from an F-22s nose wheel when engines are running.
But of course, if you remove those prior to engine startup, why not have that third pair.
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Old 02-15-2021, 06:52 AM   #11 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

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Originally Posted by Phantom II View Post
Is the F-22 really held by 6 chocks? Why? I mean who'd want to hold the nose wheel? 2x2 is enough.
Works out as a 'one in front, one behind' per landing gear! Sorry if i'm stating the obvious! Lol!
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Old 02-15-2021, 05:03 PM   #12 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

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Originally Posted by Tris10&11 View Post
Works out as a 'one in front, one behind' per landing gear! Sorry if i'm stating the obvious! Lol!
Roger, captain obvious.

I'm just asking as I've seen a few jets on chocks and also have put and removed some chocks myself, but never have seen 3x2 chocks on one airframe. We always did it 2x2 and that is what the Air Force guys usually did, too.

Though what BB said could sound perfectly reasonable and after some search I at least found a few pics of A-10s on 3x2. Might also be a question of type. The F-4 sat rather tight on its gears so that we left them 2x2 even on potentially windy nights on deployments in the mediterranean. At home they were always sheltered or at least hangared anyways.
Still, I'd be curious about when the NLGs chocks would be removed on an F-22 - granted you'd really put any. Pre startup I'd think?
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Old 02-15-2021, 09:59 PM   #13 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

If you try hard, you can find rare photos of F-4 with NLG chocks:







You can even find photos like these:
More configurations here



or even F-22 with 3x2 chocks:





Anyway 98% of photos on google show that in the real life there´s mostly the 2x2 format being used:

F-22 chocks

F-35 chocks ..... find the 1x2 chocks here!

F-4 chocks

F-15 chocks


So it looks like everything from 1x1 and 3x1 up to 3x2 is correct
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Old 02-16-2021, 01:20 AM   #14 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

Goes to show that exceptions proof the rule.

The sheltered F-4 doesn't count. There you've got fixed "chocks" (behind the mains) already so that a nose wll do. The rest of the F-4 images might be "airshow special".

The last image proofs BBs point. Appears to be secured for high winds - I take it that fixation is not just what an earthing looks like on an F-22.

Thanks for digging up those pics!
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Old 02-16-2021, 01:50 AM   #15 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

And finally....there’s this....only in 1/48

BB

Yellow bits with Hobbymaster f 22-fac4387b-190d-4371-858c-2e4915f3c8a3.jpg
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Old 02-16-2021, 05:01 AM   #16 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

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Originally Posted by Blues Boy View Post
And finally....there’s this....only in 1/48

BB

Attachment 356804

Now those nose chocks certainly look cute. I wonder if anyone in the 1/1 world actually uses them - granted they exist - on any occasion other than an "we need to look good" airshow or such.
I'd find it strange to have two sizes for one airframe from both a logistics and a safety point of view.

Edit: do those 1/48 chocks really have cords to both sides??
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Last edited by Phantom II; 02-16-2021 at 05:04 AM.
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Old 02-16-2021, 09:18 AM   #17 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

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Originally Posted by Phantom II View Post
Edit: do those 1/48 chocks really have cords to both sides??
I’m thinking, it a modelers choice of how they are strung.......click the pics

https://www.scalehobbyist.com/catago...t.php?micr=385

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P.S. this may be the longest conversation on Chocks yet in this forum
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Old 02-16-2021, 09:28 AM   #18 (permalink)
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Default Re: Yellow bits with Hobbymaster f 22

Quote:
Originally Posted by Blues Boy View Post
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P.S. this may be the longest conversation on Chocks yet in this forum
I'm trying hard
Let those little but so important pieces of something have their stage.
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