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Main Forum - Helicopter Talk R/C Helicopters and the people who fly them. VENDOR TOPICS DO NOT GO HERE. Full Scale Heli threads go in OT please |
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05-03-2013, 09:32 AM | #1 (permalink) |
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700 Helis - Spare Parts Cost Comparison
I have often wondered how various 700 sized machines compare to one another when it comes to spare parts costs. To satisfy my curiosity, I have put together a spreadsheet comparing a cross section of parts across various 700 helis which I thought may be of interest to others:
https://docs.google.com/spreadsheet/...mc&usp=sharing When reading this spreadsheet, the following should be kept in mind:
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Trex 550, Synergy E5, Logo 600, Synergy E7 and TDR |
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05-03-2013, 09:40 AM | #2 (permalink) |
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Very informative, Thanks!
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Synergy E7, Vbar 5 Pro, BLS255 & 256HV, Hacker Turnado 530 Edition, Rail 716, CC120, WR Sup BEC, Scorp BUG | Trex 450L, Vbar Pro, MKS 8910A+ on tail, Talon 35 | Futaba 18mz |
05-03-2013, 09:40 AM | #3 (permalink) |
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Nice compilation. One correction, the Goblin boom is $70 not $95 as listed.
TDR parts are relatively reasonable.
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SAB KRAKEN JIVE 120, BK CYCLIC, BK TAIL, PYRO 750-500, THUNDERBOLT, VBAR GOBLIN BT SPORT HELIJIVE 120, BK CYCLIC, BK TAIL, XNOVA 4525 530, SWITCH, VBAR GOBLIN 570 JIVE 120, MKS SERVOS, XNOVA , SWITCH MAINS, KBDD TAILS, VBAR |
05-03-2013, 09:44 AM | #4 (permalink) |
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Good pickup. There appears to be more than one boom available for the Goblin 700! I have now listed the cheapest option.
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Trex 550, Synergy E5, Logo 600, Synergy E7 and TDR |
05-03-2013, 09:48 AM | #5 (permalink) |
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Nice work! Another thing, the Goblin booms are designed to crash... tough and break away.. so usually pop off and are usable again. Take that off the chart and the Goblin is actually the cheapest 700 to repair
Can you add Avant? (curious.. a friend of mine just got one)
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"It's not just a hobby... it's a lifestyle" - Pete ϟ MINNESOTA! Goblin 500 + 700 / SK540 / Jives / DX8 / Quantum / RJX servos / 306b / Deep cycles |
05-03-2013, 09:49 AM | #6 (permalink) |
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Some eye opening findings, thanks for posting. I would like to see others like epic, TSA, whippy, etc.
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05-03-2013, 10:18 AM | #7 (permalink) |
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700 Helis - Spare Parts Cost Comparison
If you add more, add AleeS to the list.
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05-03-2013, 10:40 AM | #8 (permalink) | |
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Quote:
Similarly, as the OP pointed out, the 7HV frames are designed that the lower frame will break in most crashes leaving the upper main frame which contains all your components in tact and a smaller repair bill. This doesn't always work out and the upper frames can be damaged as well. Nicely done on compiling the list! Slyster made a similar comparison for the 500 class models a few years ago. |
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05-03-2013, 11:32 AM | #9 (permalink) |
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I have now added the following helis to the spreadsheet - Aurora, Rush, Whippy, Srimok and the Diabolo.
I should also mention that the parts prices for the Diabolo is inclusive of 19% European tax. This tax is not charged for orders shipped outside of Europe. Some interesting observations:
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Trex 550, Synergy E5, Logo 600, Synergy E7 and TDR Last edited by colcha; 05-03-2013 at 11:51 AM.. Reason: TDR prices are exclusive of 19% tax |
05-03-2013, 04:16 PM | #11 (permalink) |
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Thanks for the info
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05-03-2013, 06:04 PM | #12 (permalink) |
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Very interesting indeed. Around here in Germany, goblin parts seem to be about 2x the price of 700DFC parts so flying a Goblin around here makes little sense financially. If you're at a point where you don't really crash anymore, then it makes sense to go for Goblin. I just think they look sweet.
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05-03-2013, 07:59 PM | #13 (permalink) |
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The elephant in the room is that they don't all crash the same.
For example a TREX 550 main gear is pretty cheap and a Synergy E5 main gear is pretty expensive, but the TREX 550 main gear was destroyed in every crash I ever had and most people are reporting that their main gears on the E5 rarely ever break in a crash. Helis like the 7HV, TDR, Diabolo have upper and lower frames so crashes can be cheaper because of that and more importantly take a lot less rebuild time since the main components don't all need to be remounted, and time is money too! The e720 may have expensive parts, but it has a 15mm main shaft which also tends to take a lot of pounding without being damaged. Other parts are likewise very durable. By the time you add in the additional $150 for main and tail blades most 700 series owners use, the prices get even closer. Information is always good, but personally I don't think a comparison chart like this has enough information to really gauge how much each heli will cost to repair without having crash tests and seeing how much is damaged in each test. If you see how often a 15mm main shaft fails compared to a 10mm main shaft, or a 10mm feathering shaft vs. an 8mm feathering shaft. There are the crashes that you can walk away from and spin up on the bench and find all the vibrations look normal in vibration analysis and you know all your bearings are intact and all your shafts are still straight. Just saying that people tend to look at charts like this and point to part prices that they like or don't like about their favorite model and then try to use the numbers against other makes and it really isn't enough information to do that.
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05-03-2013, 08:31 PM | #14 (permalink) |
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700 Helis - Spare Parts Cost Comparison
Went in full throttle on my whippy.. Soft ground but that doesn't save the big ones by that much
My damage was : blades , landing gear , boom, main shaft, (not even torque tube) That's it While I appreciate you taking the time to compare prices but the crashability is different ... My repair was a total 190 Whippy survived like a champ! So yes 700's are expensive .. But not all break everything. This is not always true (not dissing your work) but .... Not all helis crash and break same
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05-03-2013, 08:54 PM | #15 (permalink) |
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Did you guys read the OP's post? He clearly states its not a crash comparison!
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SAB KRAKEN JIVE 120, BK CYCLIC, BK TAIL, PYRO 750-500, THUNDERBOLT, VBAR GOBLIN BT SPORT HELIJIVE 120, BK CYCLIC, BK TAIL, XNOVA 4525 530, SWITCH, VBAR GOBLIN 570 JIVE 120, MKS SERVOS, XNOVA , SWITCH MAINS, KBDD TAILS, VBAR |
05-03-2013, 08:57 PM | #16 (permalink) | |
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Quote:
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SAB KRAKEN JIVE 120, BK CYCLIC, BK TAIL, PYRO 750-500, THUNDERBOLT, VBAR GOBLIN BT SPORT HELIJIVE 120, BK CYCLIC, BK TAIL, XNOVA 4525 530, SWITCH, VBAR GOBLIN 570 JIVE 120, MKS SERVOS, XNOVA , SWITCH MAINS, KBDD TAILS, VBAR |
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05-03-2013, 09:57 PM | #17 (permalink) | |
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FYI, in my last TDR crash I hit TH in time and didn't strip one gear or bend one shaft, but I still toasted my main blades, 3 bearings, the boom and right landing gear. Hopefully that will be the last ouch for a long time now that it has a flight deck. Time will tell. "Did you guys read the OP's post? He clearly states its not a crash comparison! " That's irrelavant. Look at the posts that turned into a this crashes this way vs. that way, i.e. Goblin tails and Compass bottom frames. Every time a grid like this is created people convert that to crash costs. What really would be any other purpose for such a grid? You could just post the kit costs side by side and have information that was just as useful.
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
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05-03-2013, 10:24 PM | #18 (permalink) | |
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I stripped the main gear once out of 18 crashes on my 600EFL Pro which was expected because that was a rekit lol...Bunch of hard crashe and thats with the new slant 112T gear..Its the same gear used on the 700E getting 9000-11000 watts put through them with no strip,same gear on the 550...Something isn't right if someone is stripping them,
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05-03-2013, 10:57 PM | #19 (permalink) |
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+1
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05-04-2013, 03:15 AM | #20 (permalink) | |||||
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The intent of the spreadsheet was to give people a general idea of the spare parts costs of one heli relative to another. For many, this is an important consideration when buying a new machine. If people wish to use this information as a starting point to undertake their own analysis of the potential running / crash costs for a particular heli, there is nothing wrong with that and people are smart enough to take into consideration other relevant factors eg. sacrificial lower frames, breakaway booms, etc. Quote:
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Not really. The way in which heli kits are priced is similar in one sense to how both razors and computer printers are sold ie. there is far greater margin on parts than there is on the original product itself. Consequently, the price of the kit is not particularly helpful in determining future running costs.
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